Nova Scotia is moving to ensure the Utility and Review Board’s Maritime Link decision is supported by legislation and that ratepayers benefit from the project’s federal loan guarantee. Amendments introduced to the Maritime Link Act today, Dec. 3, clarify that the UARB has full authority over the project and can ensure Nova Scotia Power Maritime Link (NSPML) complies with all board decisions. The province has also signed a Canada-Nova Scotia indemnity agreement and almost completed negotiations to allow the use of Crown lands to build the subsea cable so project financing can begin with the federal guarantee. “We have always stated that if the Maritime Link project is to go ahead, it must do so for the benefit of Nova Scotians,” said Energy Minister Andrew Younger. “We have now ensured beyond a shadow of doubt that the full decision of the board stands. “We have successfully completed negotiations on the indemnity agreement and are very close to completing the subsea land access agreement. These agreements will allow us to access millions of dollars in savings, putting the interests of Nova Scotia ratepayers first.” The indemnity agreement had to be signed to access federal support. As a condition of the federal loan guarantee, the province agrees it will not increase risks for the federal government. The agreement is reasonable commercial practice and does not affect the UARB’s ability to protect ratepayers’ interests. The key terms of the federal loan guarantee, signed Nov. 30, 2012, required Nalcor and Emera to finalize all necessary permits, approvals and land-use agreements. The province expects the Crown land-use agreement for the Cabot Strait subsea corridor to be finished soon.
Lucy ScholeyAPTN NewsWhen they’re done feasting on the first salmon catch of the year, members of Cheam First Nation collect the bones and throw them back in the river. It’s to ensure the fish will return next season.Though the local delicacy comes from waters that run along the existing Trans Mountain pipeline near Chilliwack, B.C., there was no talk of politics on this sunny afternoon during the community’s annual salmon ceremony. A group from the Sto:lo Nation sang as they paraded the freshly caught salmon that had been smoked and laid on cedar boughs.Cheam First Nation members participate in the annual salmon ceremony on April 21, 2018. Lucy Scholey/APTNBefore taking their first bites, everyone paused for a moment of prayer.The members were here for the sacred gathering, not to be divided by the most contentious infrastructure project in the country.Kinder Morgan’s planned $7.4-billion pipeline expansion has raised concerns about the impact on Pacific salmon streams.But Cheam First Nation Chief Ernie Crey is confident everything will be done to protect his community’s precious supply.“Salmon-bearing streams, we told them, would need to be afforded maximum protection,” he said.The fresh salmon is smoked for the Cheam First Nation’s annual salmon ceremony.Cheam First Nation is one of 43 First Nation communities that have signed mutual benefit agreements with the Texas-based Kinder Morgan to build the pipeline.The community is set to receive millions in cash if the pipeline is built. Crey said the band signed a non-disclosure agreement and he would not divulge the terms of the deal.He toured APTN around the small mountainside reserve, pointing out the band’s administration building, another space for ceremonies and gatherings and the railways that cut through the community. With a neon security truck nearby, Crey said he didn’t think community members would feel comfortable with a camera rolling past their homes.Prime Minister Justin Trudeau has said the pipeline is in the “national interest,” but Crey’s focus is on his community – the jobs he said the pipeline will create, the employable skills it will provide Cheam First Nation members and the cash flow from the deal that can be reinvested elsewhere.“We want to use our agreement with Kinder Morgan as a springboard to other economic development,” he said.Cheam First Nation Chief Ernie Crey says the Trans Mountain pipeline expansion will create jobs and provide cash to invest in the community. Lucy Scholey/APTNBut with mounting opposition to the pipeline – including several legal challenges from First Nation communities and the cities of Burnaby and Vancouver – the company has threatened to back out if a deal is not reached by May 31.Trudeau and Alberta Premier Rachel Notley have said they are willing to invest in the pipeline to keep it alive. Crey said he would do the same with the support of his community and band councillors.Cheam First Nation member Iyeselwet, also known by her borrowed name Edna Denise Douglas, said the benefits of the Kinder Morgan agreement do not equal the potential harms.“We’re losing the spirit of our people. We lost the spirit of our people to capitalism,” she said, adding that Crey alone “does not represent” the community’s values.“I don’t see an infinite future for fossil fuels and digging it up out of the earth. As a matter of fact, digging things out of the earth defies our cultural principles.”On any day in Cheam First Nation, trains can be heard barreling through the community every 30 minutes, blaring their horns. Crey said you can pinpoint which cars are carrying diluted bitumen from Edmonton to Burnaby, B.C., nearly 100 kilometres west of Cheam.He would rather see a pipe than trains.“That’s a more dangerous way to move this product than in a contemporary, up-to-date, second-to-none pipeline.”firstname.lastname@example.org
OTTAWA — Prime Minister Stephen Harper has slammed the door on regulating Canada’s oil and gas sector, calling it a “crazy economic policy” under current global oil prices.His comments in the House of Commons come as international talks are underway in Lima, Peru, in an effort to reach a new post-2020 global agreement on curbing greenhouse gas emissions.Harper was emphatic that Canada will not move unilaterally to curb fast-rising emissions from Alberta’s oilsands.“Frankly, Mr. Speaker, under the current circumstances of the oil and gas sector it would be crazy, it would be crazy economic policy to do unilateral penalties on that sector. We’re clearly not going to do that,” Harper told the House as Conservative MPs roared their approval.“In fact, nobody in the world is regulating their oil and gas sector. I’d be delighted if they did. Canada will be there with them.”An Environment Canada briefing memo revealed last month by the Globe and Mail shows that the United States, in fact, placed what were called “significant” limits on its oil and gas sector in 2012.“For oil and gas, recent air pollution regulations are expected to result in significant GHG reduction co-benefits, comparable to the reductions that would result from the approach being developed for this sector in Canada,” states the June 2013 memo obtained by Greenpeace under an Access to Information request.The Conservative government has been promising to regulate the oil and gas sector since 2007 as part of its sector-by-sector approach to curbing emissions, an approach the government calls a made-in-Canada plan.Emissions in developing world to surge 50%: ExxonNew emissions from Canada’s oil sands ‘extremely low,’ says IEA’s chief economistHarper was responding to questions about Canada’s poor record in meeting its previous Copenhagen emissions targets, which a government report this week showed are far off track.The Environment Canada report shows that increasing GHG emissions from the oil and gas sector — principally the oilsands — will almost completely offset major reductions in the electricity sector by the year 2020.In fact, the report says Canadian emission reductions flatlined over 2010, 2011 and 2012 and are set to begin rising again in absolute terms to 2020.Nonetheless, the prime minister maintains his government is cutting emissions.“Our commitment to Canadians is that we are going to reduce greenhouse gas emissions while preserving, protecting and growing Canadian jobs,” Harper told the Commons.“That’s our commitment, that’s what we’ll continue to do.”Harper’s comments came at almost the same moment his minister for the environment, Leona Aglukkaq, was speaking to the Lima conference.“Our record speaks for itself,” Aglukkaq told the gathering. “We have shown that it is possible to protect the environment while supporting economic growth.”Aglukkaq noted that as the country looks beyond 2020, it is depending heavily on provinces and territories, “who hold many levers for taking substantive and innovative action on climate change.”“They have been an important part of Canada’s progress and I expect their actions will be an important part of Canada’s contribution under a new international climate agreement,” said the minister.Earlier Tuesday on the sidelines of the Lima conference, four provinces representing almost 80 per cent of Canada’s population signed an international agreement among sub-national governments to combat climate change.Environment ministers from British Columbia, Manitoba, Ontario and Quebec joined with 12 other sub-national governments — ranging from New South Wales in Australia to Scotland — to form a group that will present the results of a new pilot program on emissions reporting and climate change action.
Retirement savers have eked out steady gains this year, even as the stock market turned increasingly volatile amid uncertainty over the trade war between the U.S. and China and fear of a global economic slowdown.The average 401(k) plan balance rose 2% to $106,000 in the second quarter versus a year earlier, according to new data from Fidelity Investments drawn from more than 30 million retirement plan accounts.In 2016, about 55 million American workers were active 401(k) participants, according to the Investment Company Institute.Most of the gains came from employees setting aside more of their pay for their retirement plans. The average employee contribution rate rose to 8.8% in the second quarter, a record level. That’s up from 8% a decade ago, according to Fidelity.“While we’re seeing the market certainly play a role, the other part is that employees are saving more, employers are contributing more,” said Meghan Murphy, vice-president at Fidelity Investments.All told, nearly one third of savers increased their contribution to their 401(k) plan in the second quarter, Fidelity said.Boosting your contribution rate, even by 1 percentage point, can make a big difference to a 401(k) over a career. Consider a 25-year-old who is contributing 4% a year, with an equal contribution from their employer. If they bump up their savings rate by 1 point annually until reaching 15% they would see their retirement savings roughly double by retirement age, according to Fidelity.The amount of money employers put into their employees’ retirement accounts also increased last quarter. The average employer contribution rose to 4.7% in the second quarter. That’s up from about 3.9% a decade ago, Fidelity said.Fidelity recommends a total savings rate of 15%, including both the employee’s and the employer’s contributions.Another factor behind the gains is that more companies are automatically enrolling their employees in 401(k) plans.More than a third of employers now enrol new hires into 401(k) plans and set them up to automatically boost their contributions each year, Fidelity said.That trend has gathered pace over the last decade. Only 17.3% of employers used automatic enrolment 10 years ago.At the end of the second quarter, more than 20% of employers that used automatic enrolment enrolled employees at a contribution rate of 6% or higher. The 3% contribution rate is the most popular among employers, Fidelity said.The stock market’s gains this year have helped push the number of 401(k) and individual retirement accounts with balances over $1 million to a new high. At the end of the second quarter, there were 196,000 such 401(k) accounts and 179,700 IRAs, Fidelity said.The longest bull market since World War II has been good for longtime retirement account savers.In the second quarter, the average 401(k) plan balance for accounts going back at least 10 years hit $305,900, or more than five times the average balance 10 years earlier.Another factor keeping average 401(k) balances growing is fewer savers are borrowing against their 401(k) portfolios. The number of people with an active retirement plan loan declined to 20.1% this year. It was at 22.6% in 2013, Fidelity said.Although continued stock market volatility doesn’t bode well for retirement account portfolios, savers have not rushed to take a more hands-on role on their accounts.“We have not seen a lot of increased activity as far as rebalancing or exchanges,” Murphy said. “We tend to see less activity nowadays when there is market volatility because so many people are invested in a target date fund or using a professionally managed account.”Alex Veiga, The Associated Press
Speaking in Bridgetown, Barbados, before the African-Caribbean-Pacific-European Union Joint Parliamentary Assembly, Mr. Malloch Brown said that continuing reforms will help the UN better tackle the challenges of development and poverty and deal more effectively with crises such as the conflict in the Sudanese region of Darfur.Many UN institutions and mechanisms were built in the immediate aftermath of World War II, he said, adding that they reflected the reality then, but now needed updating to take account of changes in the world.Mr. Malloch Brown said it was up to the incoming Secretary-General Ban Ki-moon, who begins his term on 1 January, to take forward the reform efforts led by the incumbent Kofi Annan, especially on questions such as Security Council membership and internal reforms.The Deputy Secretary-General also attended several workshops during the gathering in Bridgetown on themes ranging from environmental vulnerability to the future of the local rum industry to the cost of treatment for people living with HIV/AIDS.
by News Staff Posted May 7, 2012 6:15 pm MDT AddThis Sharing ButtonsShare to TwitterTwitterShare to FacebookFacebookShare to RedditRedditShare to 電子郵件Email WASHINGTON – Americans swiped their credit cards more often in March and took out more loans to attend school. That drove the biggest one-month increase in U.S. consumer borrowing in a decade.Consumer debt rose by $21.4 billion in March from February, the Federal Reserve said Monday. It was the seventh straight monthly increase and the largest since November 2001.A measure of auto and student loans increased by $16.2 billion. A separate gauge of mostly credit card debt rose $5.2 billion after declining in January and February.Total borrowing rose to a seasonally adjusted $2.54 trillion. That’s slightly below the all-time high of $2.58 trillion reached in July 2008, eight months after the Great Recession began.After hitting that peak, consumers cut back sharply on borrowing for two straight years. They slowly began taking on more debt again in the fall of 2010 and in recent months have stepped up their rate of borrowing.More borrowing is generally viewed as a healthy sign for the economy. It suggests consumers are gaining confidence and growing more comfortable taking on debt.Analysts said a key factor driving the recent jump in borrowing is stronger hiring since fall.But another reason more for the increase is more people are going back to school. Student loan debt jumped in March.Paul Edelstein, director of financial economics at IHS Global Insight, said that could reflect an effort to take out loans in advance of a scheduled jump in rates this July.Cooper Howes, an economist at Barclays Capital, said it could also mean that some people are having trouble finding jobs and are opting to go back to school.“We expect that student loan growth will continue to push the level of consumer credit higher and we look for (credit card debt) to expand as banks become more willing to lend,” Howes said.The overall economy grew at an annual rate of 2.2 per cent in the January-March quarter, helped by the strongest growth in consumer spending since late 2010. Consumer spending accounts for 70 per cent of economic activity.Still, job growth has slowed sharply in the past two months, while wages have lagged inflation. That has raised concerns that consumers might pull back on spending later this year.Employers added just 115,000 jobs in April, the government said Friday. That followed the creation of 154,000 jobs in March. From December through February, the economy added an average of 252,000 jobs per month.The employment report also noted that the average worker’s hourly pay rose by just one penny in April. Over the past year, average hourly pay has ticked up 1.8 per cent to $23.28. Inflation has been roughly 2.7 per cent. Which means the average consumer isn’t keeping up with price increasesWith weaker income growth, U.S. households haves spent more while saving less. The savings rate was 3.8 per cent of after-tax income in March, nearly a full percentage point below the 4.7 per cent where it had been three months before. For all of 2011, the savings rate declined to 4.7 per cent of after-tax income, compared to 5.3 per cent in 2010.Households began borrowing less and saving more when the recession began and unemployment surged. While the expectation is that consumers are ready to resume borrowing, they are not expected to load up on debt the way they did during the housing boom of the last decade.The Federal Reserve’s borrowing report covers auto loans, student loans and credit cards. It excludes mortgages, home equity loans and other loans tied to real estate. US consumers increased their borrowing in March $21.4 billion, largest gain since 2001
The 2014 World Disasters Report, published by the International Federation of Red Cross and Red Crescent Societies (IFRC), explores the question of how culture could become a central consideration in disaster risk reduction efforts, and analyses the influence of disasters and risks on culture.The report was launched today The Event at the Vienna International Centre at an event organized by the UN Office on Drugs and Crime (UNODC), IFRC, the Embassy of Norway in Vienna and the Austrian Red Cross.A press release from UN Information Service in Vienna, notes that the new report tries to answer the question of what should be done when people blame a flood on an angry goddess, as it was the case when the Koshi River in India flooded huge regions in 2008, while people in Indonesia blamed the mountain god when Mount Merapi erupted in 2010. Similar beliefs were widespread even in the United States during Hurricane Katrina, when some believed it showed God’s displeasure with some of the behaviours of the people who live in or visit New Orleans.Acknowledging the fact that hundreds of millions of people live in dangerous places – including the sides of volcanoes, earthquake fault zones and coasts exposed to storms and tsunamis – the report underscores that people’s own priorities often include the need to live in such high-risk environments because that is where they can gain their livelihoods.Speaking at the event, the Deputy Executive Director of UNODC, Aldo Lale Demoz said: “We need to do more in helping those who have already been victims of disaster to protect themselves from violence, including violence against women and children and organised crime groups trying to exploit them.”To reduce the risks that people face, it is essential to focus on how livelihoods can be made more robust, safer and, where necessary, be replaced, the report states. Reconciling local health beliefs or everyday practices with public health interventions is also vital, as people’s perceptions of health risks involve local traditions, beliefs and social practices that sometimes do not coincide with the expectations of public health interventions.Citing the recent Ebola outbreak in West Africa as an example, the report stresses the need to address misconceptions and cultural beliefs through effective social mobilization and behavioural change so that efforts to stop such deadly diseases will not be in vain.Future investments must be channelled towards a more culturally sensitive, human-based approach to disaster risk reduction, as part of the discussions in framing a new post-2015 development agenda, the report concludes.The mandate of UNODC, whether on drugs, crime or terrorism, has a strong connection to the notion of risk. People risk their health and lives by engaging in drug use, drug trafficking or unsafe migration practices. The reasons for such risk-taking might be very similar to those explained in the report as it relates to disasters. As has been seen in the past, places hit by natural disasters are breeding grounds for crime, violence and corruption.The report, which has been published annually since 1993, compiles trends, facts and analysis of contemporary catastrophes and their effect on vulnerable populations worldwide.
The following is a list of thesis defences taking place at Brock from Jan. 14 to 18.All are open for the University community to attend.Master of Science thesis defenceZak Schedler, a Master of Science candidate in the Department of Math and Statistics, will present his thesis defence on Monday, Jan. 14 at 1 p.m. in WH 147.His thesis is titled “Upper Bounds for the Number of Solutions for the Diophantine Equation.”His examination committee includes Cheryl McCormick, Chair; Sukrawan Mavecha, External Examiner (King Mongkuts Institute of Technology, Thailand); Omar Kihel, Supervisor; and Bill Ralph and Henryk Fuks, Committee Members.Sociology MA thesis defenceMaster of Arts in Critical Sociology student Josh Watterton will defend the thesis “Marx at 200 — Inquiries in the Measurement of Profitability and its Determinants: The U.S. Economy, 1950-2016” on Tuesday, Jan. 15 at 1:30 p.m. in WH 147.The examination committee includes Rosemary Condillac, Chair; Raju Das, External Examiner (York University); Murray Smith, Supervisor; Kevin Gosine, Graduate Program Director; and Jonah Butovsky and June Corman, Committee Members.
For all the talk about Tiger Woods being “back,” he still has not won a major championship. He finished The Masters tied for 40th. He held a portion of the lead after two round of the U.S. Open in June, but moved in the opposite direction and finished tied for 21st. At the British Open last month, he was right there, but finished tied for third, his best finish in a major in three years.The last opportunity for Woods this year begins Thursday at Kiawah Island in South Carolina. And despite his steady play and three victories, to end the season without a major would signify more that he has work to do than he’s on the right track.Woods acknowledges as much.“I’m pleased at the way I was able to play at certain parts of it and at certain times, and obviously disappointed that I did not win,” Woods said after an abbreviated practice round that was shortened because of inclement weather. “I’ve played in three major championships this year and I didn’t win any of them.“So that’s the goal. I was there at the U.S. Open after two days and I was right there with a chance at the British Open. Things have progressed, but still, not winning a major championship doesn’t feel very good.”His last major win came at the 2008 U.S. Open.The trio of wins this year means something to Woods. So does leading the PGA Tour money list and the FedEx Cup points race. But he made it clear winning majors is the goal, and he’s been stuck on 14 – four behind all-time leader Jack Nicklaus – since he took the U.S. Open in 2008.“Winning golf tournaments makes it successful,” is how he put it, “but winning majors makes it a great year.”Eight previous years in his career Woods has come to the PGA Championship having not won a major, and he prevailed in 1999 and 2007. He also won the tournament in 2000 and 2006.At 36, Woods said he is no panicked that time is not on his side.“I figure . . . it’s going to take a long time,” he said about catching Nicklaus. “Jack didn’t finish his until he was 46, so if you go by that timetable, I’ve got 10 more years. Forty majors (potential chances) is a lot. I’ve got plenty of time.”
And he added: “What about women who are not Muslim who want to wear a headscarf?”Khan said: “The rule still applies,” to which Morgan replied: “It doesn’t” and Khan insisted: “It does”. The court decision to allow employers to ban workers from wearing headscarves at work was criticised as “troubling” and a “backward step” by religious leaders.The Muslim Council of Britain (MCB) said it was “a sad day for justice and equality” as judges concluded that asking all employees to dress neutrally does not break religious discrimination rules.The European Court of Justice (ECJ) ruled that prohibiting the visible wearing of any political, philosophical or religious sign does not constitute direct discrimination. Piers Morgan and Saira Khan have clash on Good Morning BritainCredit:Good Morning Britain Piers Morgan and Saira Khan have clashed on Good Morning Britain over a court’s decision to allow employers to ban workers from wearing headscarves.The ITV show invited the Loose Women host on the sofa to speak in support of the ruling, while journalist Hanna Yusuf argued against it.Morgan, 51, told the former Celebrity Big Brother contestant: “How would you feel if I said to you, before you go on air, ‘I don’t like your jacket’?” Piers Morgan and Saira Khan have clashed on Good Morning Britain over a court’s decision to allow employers to ban workers from wearing headscarves.The ITV show invited the Loose Women host on the sofa to speak in support of the ruling, while journalist Hanna Yusuf argued against it.Morgan, 51, told the former Celebrity Big Brother contestant: “How would you feel if I said to you, before you go on air, ‘I don’t like your jacket’?” Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings. Khan, 46, replied: “This isn’t about you saying to me, it’s about a company. It’s not about feeling, this is about a ruling.”As the debate got heated, Morgan told Khan: “It’s not your show Saira. If you wouldn’t mind letting me finish my sentence?”And he added: “What about women who are not Muslim who want to wear a headscarf?”Khan said: “The rule still applies,” to which Morgan replied: “It doesn’t” and Khan insisted: “It does”. The European Court of Justice (ECJ) ruled that prohibiting the visible wearing of any political, philosophical or religious sign does not constitute direct discrimination. Khan, 46, replied: “This isn’t about you saying to me, it’s about a company. It’s not about feeling, this is about a ruling.”As the debate got heated, Morgan told Khan: “It’s not your show Saira. If you wouldn’t mind letting me finish my sentence?” The court decision to allow employers to ban workers from wearing headscarves at work was criticised as “troubling” and a “backward step” by religious leaders.The Muslim Council of Britain (MCB) said it was “a sad day for justice and equality” as judges concluded that asking all employees to dress neutrally does not break religious discrimination rules.
KUSI Newsroom, January 29, 2019 00:00 00:00 spaceplay / pause qunload | stop ffullscreenshift + ←→slower / faster ↑↓volume mmute ←→seek . seek to previous 12… 6 seek to 10%, 20% … 60% XColor SettingsAaAaAaAaTextBackgroundOpacity SettingsTextOpaqueSemi-TransparentBackgroundSemi-TransparentOpaqueTransparentFont SettingsSize||TypeSerif MonospaceSerifSans Serif MonospaceSans SerifCasualCursiveSmallCapsResetSave SettingsSAN DIEGO (KUSI) – The National College Resource Foundation is inviting students to the Black College Expo Tuesday in San Diego at the MLK Center at Bayview.The College Expo is for all students, all backgrounds. Students get to meet one-on-one with over 200 colleges, Ivy League, private, public, independent, military colleges and community colleges.Students receive on the spot scholarships, acceptance to colleges, application fees are waived, plus students can get help from experts filling out their financial aid forms. Students attend seminars on “Booming Careers”, “The 411 for the Student Athlete”, “How to Find Money for College”, and even Hip Hop artist YoYo teaches students “How to get A’s in English.”Actor Kel Mitchell hosts an after party to get students excited about college.The event is from 11 a.m. to 7 p.m.For more information click here. Posted: January 29, 2019 KUSI Newsroom Black College Expo San Diego Categories: Good Morning San Diego, Local San Diego News FacebookTwitter
To embed this piece of audio in your site, please use this code: Listen Many people still call it “Gunspoint” – an area in the north of Houston, where Interstate-45 meets the Beltway. Its real name, of course, is Greenspoint, and a new branding campaign by the management district wants the area to be known simply as North Houston.Statistics show crime has gone down in the past few years and there has been some major investment in the area – more than $400 million in developments, including $100 million in office space.But are the bad times really behind for Greenspoint?A promotional video shown at an event to introduce the North Houston District’s campaign calls the area “an urban centric location with lots of hustle and bustle, thriving every day.”As part of it, the district is highlighting recent developments, like a new Coca Cola distribution plant under construction.And at the site of the former Exxon offices, next to the Greenspoint Mall a new lounge for the tenants and employees of the office buildings, called The Third Place at City North, features ping pong, a putting green, pool tables, television screens and a kitchen area.And that’s just a part of the improvements here, said Michael Kasmiersky, vice president of property management for Lincoln Property Co.“We’re spending about $4 million in the exterior of the retail, we’re redoing the façade, adding landscaping, seating, bocce ball. We’ll have music, we’ll have Wi-Fi,” he said. “Just trying to really improve this area and really improve this complex.”The North Houston Development Corporation, a tax increment reinvestment zone or TIRZ, is currently building a new bike race park that will host the 2020 BMX world championship.Sally Bradford, executive director of the development corporation, said they have done major infrastructure improvements and added public art all over the Greater Greenspoint area.“We’re trying to really make this a place where people come (and) they go, wow, I didn’t realize this is so nice out here,” Bradford said. “And it takes time and it’s challenging.”One challenge is the many subpar apartment complexes.Steve Moore, owner of Villa Serena Communities, which manages 14 apartment complexes in the area, has been trying to take care of that problem.“I moved into one of my apartments,” he told News 88.7. “I started working with HPD and instead of us blaming the cops and them blaming the apartment owners, we started working together and that’s what turned around the neighborhood.”But has it turned around the neighborhood?The North Houston District analyzed crime stats from the Houston Police Department. The most serious crimes – or Part 1 offenses – went down across Houston between 2010 and 2018. The police beat just north of Beltway 8, which covers a large part of Greenspoint, went from the Houston beat with the third most crimes to 19th. Offenses dropped by 30 percent in those eight years.But that’s not the reality for everyone in the area.Mauricio Rodriguez said he has lived at Biscayne at Cityview apartments for the past five years. It’s one of Steve Moore’s Villa Serena communities, but Rodriguez said he has actually seen more crime in the past two or three years, mostly car burglaries, and he’s hearing gunshots at night.His brother was robbed down the street just this year, Rodriguez said.“One day he (went) to the gas station and somebody put (a) gun in his back,” he said. “And he (took all his) money.”One of Rodriguez’s neighbors, Alvin West, feels safe in Greenspoint – although his reference point is Compton, California, where he moved from three years ago.“Well, I saw a few small things happen,” he said. “I saw a store get robbed. I saw a few fights but nothing major, you know. And I heard someone got shot on the bus stop. But where I’m from, the things that I saw and heard of here would happen once a year compared to every day where I’m from.”University of Houston architecture professor Susan Rogers, who directs the Community Design Resource Center, said housing is the biggest challenge in an area with one of the highest poverty rates in the city.“The fact that this neighborhood provides 11,000-plus units, that that housing is an important part of our collection of affordable housing in the city and that a lot of people who live there are very vulnerable,” Rogers said.Then there’s the Greenspoint Mall. Once the thriving center of the neighborhood, it’s now without any major retailers.On a recent afternoon, the large parking lot was nearly empty. Shopper Bridget Jones said she still comes here fairly often.“The mall, I don’t know,” she said. “It’s like going down, yeah. It ain’t used to be like this at the mall. It’s nothing in there no more.”She’s worried it will shut its doors completely, in which case she would have to drive far to go shopping.Greg Simpson, president of the North Houston District, said the district has no control over what happens with the mall, but he’s optimistic.“There may not be a better redevelopment opportunity in the entire city,” he said. “We know that there’s been interest in that site over the last few years. We’re hopeful that something will happen there and I believe over time something will. It’s just the nature of development in Houston. It’s just too good of a site.”Jerry Davis, the city council member for this area, also feels optimistic for the future of Greenspoint, acknowledging that it’s not quite where it should be.“It’s no different from any other area,” he said. “It’s going to take time, it’s going to take effort – effort from the people, effort from the local government corporations and effort from the businesses. And when we all come together and work together, we can have success.”And a big part of that, Davis said, is improved drainage. Greenspoint was one of the worst affected areas during the Tax Day flood of 2016, and then again during Hurricane Harvey.And so part of the debate is whether to buy out many of the apartment complexes next to Greens Bayou.And the next question is then: Where would all those residents go? – / 16 X 00:00 /03:50 Share
By LISA SPECKHARD PASQUE, The Capital TimesMADISON, Wis. (AP) — It’s a Wednesday afternoon at Ford’s Gym, a “Rocky”-style gym filled with “regular old-school dudes,” Sabrina Madison says. That’s why she likes it.Head coach Andrea Nelson leads Madison through her boxing drills. Wearing boxing gloves, Madison punches while stepping to the left, stepping right, taking quick one-two punches, then punches while stepping forward and stepping backward. At the end of her session, she gives whatever she has left to the heavy bag hanging from the ceiling by a chain.In this Wednesday, March 6, 2019 photo, Sabrina Madison works on the double end bag at Ford’s Gym in Madison, Wis. Madison says the exercise from boxing is a release from the 24/7 nature of her work. (Michelle Stocker/The Capital Times via AP)She’s sweating from the effort, but she laughs when she mixes up her footwork. After all, this counts as time off for Madison. Her seven-day schedule and everyday support for Black women doesn’t allow for free nights and weekends, The Capital Times reported.Just a few days earlier, she told a group of Black middle school girls that they just had to say the word and she would advocate on their behalf.“I love getting in people’s face and saying, ‘Hey! These girls want to do this thing and they need this money,’” she told them. “I love that.”“Some people call me a pit bull. It’s basically because I get what I want and I’m very matter of fact about it.”Her friends and colleagues agree. They say Madison is an entrepreneur, unapologetic about being herself and focusing her work on Black women. She’s willing to critique the powerful. She doesn’t care whether you like her, yet people use words like “charismatic” and “warm” to describe her.Madison’s innovative ideas and tenacity have taken her far, from a dysfunctional family, early grief and teenage motherhood in Milwaukee to creating a host of programs and spaces for Black women in Madison. She quit her job at Madison College in 2016 to work for Black women and hasn’t looked back; she hosted her first Black Women’s Leadership Conference later that year and founded the Progress Center for Black Women just a year later.But after spending her days speaking up for Black girls, women and families in a predominantly White city, throwing punches provide self-care and an escape.“It releases so much when you’re doing work like this, and people are sharing with you and there’s so much racism,” she says. “It’s just such a great release.”Sabrina Madison — known her nickname “Heymiss Progress” or simply “Progress” — naturally wakes up by 5 a.m. every morning and spends about a half hour catching up on news from sources like the Los Angeles Times, the Baltimore Sun, the Chicago Tribune, the New York Times and local outlets.She often stops for her regular Moka order (the employees know it as “The Sabrina”), then it’s on to an ever-varied schedule.On a recent Friday morning, she heads first to John Muir Elementary on the west side for “Read Your Heart Out,” an event that brings community members into schools to read aloud to kids.The second she steps into a second-grade classroom, an African-American boy half-asks, half-exclaims, “That’s Sabrina Madison?!”She’s just as surprised that he knows her by sight as he is to have her in the classroom.Jennifer Greenwald, a teacher at Muir, explains the kids know Madison because they studied her story. The school holds an annual Black history event and this year chose to celebrate local figures, Greenwald said. Second grade was in charge of Black activists, so students wrote a skit about movers like One City Schools founder Kaleem Caire, Mentoring Positives founder Will Green and Madison.Prompted by their teachers, the kids recite part of the skit for Madison.“Sabrina Madison is a Madison activist,” one child says.“Actually, she works from what she calls a ‘love ethic,’” the next little girl recites.“Love ethic,” all the kids repeat, forming their hands into hearts around their chests. That’s a reference to feminist bell hooks, one of Madison’s favorite authors.“Growing up it was just her and her mom, and they struggled to get along,” the skit continues.“Now she runs the Progress Center for Black Women. And helps Black women be who they want to be.”“Who. They. Want. To. Be,” the kids repeat in chorus.As Madison reads to the kids sitting on the floor in front of her, she peppers them with comments and questions.“She is a growing business owner,” Madison says, pointing out the entrepreneurial efforts of the woman in the story. “She built an entire shop right here in the forest.”“Girls can do everything boys can do right? Sometimes better?” she asks, and when the kids don’t immediately agree, she keeps asking. “Right? Right?”Entrepreneurship and empowerment — even if it’s just casual questions to a group of second graders — are ways of life for Madison.Her fourth annual Black Women’s Leadership Conference is coming up in the spring, and she’ll launch a Black women’s leadership accelerator, AMBITION, in the fall. She’s growing an entrepreneurial program called blkCOLLAB and is gearing up for a small-dollar grant program to help women who find themselves in financial straits. She’ll be shifting from her wildly popular one-day Black Business Expos to a new strategy, renting out a temporary storefront and letting Black entrepreneurs rotate through the space.This summer, she’s organizing yoga sessions for Black girls. For International Black Women’s History Month in April, she’s hosting four Saturday activities, including a mother-daughter tea and a girls art afternoon. In May, the center will have teams of Black kids compete for a prize of hopefully $5,000 to solve a community problem.In January, she hosted her own living room-style discussion with the mayoral primary candidates to zero in on the issues important to Black families. She spoke up for Ali Muldrow and Ananda Mirilli as Madison School Board candidates. She does consulting work and keeps up a prolific social media presence, posting about her work, community issues and funny stories about her grandmother. She staffs the Progress Center along with a recently added part-time assistant, and raises the money to make it all possible.Desmond Webster, a friend who met Madison through his work at Forward Community Investments, praised her ability to execute.“There are a lot of people with great ideas, with Sabrina, she actually has the capacity to do it,” Webster said. “I’ll be having pancakes with her and all of a sudden, two weeks later, these (ideas) are real.”Some of her goals and programs have taken longer than anticipated — AMBITION originally had an earlier start date — but Madison is also frequently pulled in different directions to advocate for Black women.“Sabrina doesn’t stay in a lane. If she sees something that matters and is important to what she cares about, she’s going to take it head on,” said Mindi Giftos, managing partner at Husch Blackwell’s Madison office and a supporter of Madison’s work.When a video of a homeless woman suffering through bitterly cold conditions this winter shows up on Facebook or a Madison Metropolitan School District teacher uses a racial slur, community members reach out to Madison, tagging her in comments or messaging her. She is often contacted directly by people she doesn’t know who ask for her help when they face discrimination at work, eviction or financial crises.When Ruby Clay found out that a teacher at Hamilton Middle School used the n-word in front of her seventh-grade daughter, she was beside herself. Madison was the first person she thought to call.“She literally listened to like five seconds of what I had to say before she was like, ‘I’m on my way,’” Clay said.When Madison arrived at the school, Clay had tears in her eyes and was in “mama mode,” Clay said. Madison helped Clay gather herself.“I need you to pull it together. I know you’re upset,” Clay remembered Madison saying. “Here’s what we have to do, here’s what we’ll ask for when we go in there.”They went in with three demands. Madison did most of the talking, but made sure every decision was made with Clay’s agreement. Eventually, the teacher resigned.Clay’s conclusion: “She’s amazing.”Madison attributes her work ethic to her history as a single mom living in Milwaukee.“Once you’re a teen parent, that’s all you do is hustle because you ain’t got no money,” she said with a laugh.When Madison was 14, her family didn’t have money for necessities like deodorant, food or decent shoes for her brother to run track. So she blurred the birth year on her high school ID and conned her way into a job at a Catholic newspaper.“I remember my mom selling food stamps just to buy laundry soap,” she said. “Whether we were hustling to get change for candy or we were hustling to get food — most little Black kids who grew up really poor, the hustle is just there.”Yet despite her tireless advocacy and crowded schedule, she’s serious about taking care of herself. A tattoo on her right forearm instructs her: “don’t break the chain,” a reference to a strategy attributed to Jerry Seinfeld. Each day he worked toward the goal, he crossed out the date with a large X on his calendar, and did it every day so as not to ruin the streak.Madison has such a calendar in her apartment, and draws a satisfying X on a day if she does something for herself: an afternoon off, a session at the gym, a day trip to Milwaukee.Michael Johnson, CEO of the Boys and Girls Club of Dane County and a good friend of Madison’s, remembered when she announced plans for the Progress Center for Black Women.Some people asked what would happen if someone started a center dedicated to White women.“She’s been inclusive of all, but she’s unapologetic in saying this is the demographic that I want to be of service to,” Johnson said.Ask Madison’s friends to describe her and they will use the term “unapologetic” over and over, as if they conferred beforehand.A small example: Webster pointed out that Madison does not code switch, or alternate between languages or dialects. Madison speaks the same way to small groups of Black girls in the privacy of her Progress Center as she does to audiences for the many panel discussions she’s asked to attend.Webster said he’s often the only African-American in workplace settings and thinks that “to reach these goals in my career, ‘Oh, I have to code switch.’”“She’s like, ‘No. I don’t need to acknowledge the premise of code-switching. It’s saying that who I am is unacceptable or needs to be calibrated to fit in to this environment and I just don’t accept that,’” Webster said.She’s not waiting for approval or permission from White people. She creates her own opportunities, her supporters say.“I will support that child ’til the cows come home for the simple fact that she is a mover and shaker, she doesn’t wait for people to open the door for her. She builds it and then she opens the door for others,” said Jasmine Banks, who works at Operation Fresh Start and has participated in Madison’s expos as the founder and CEO of natural body care company Perfect Imperfections.On a recent Monday at the Progress Center, Madison hosts a group of girls from the Goodman Community Center’s Girls Inc. program. She explains to them that people trying to help the Black community don’t often focus on empowerment.“A lot of times here, folks just sort of give us stuff, give us resources, throw things on top of us,” she says. “It’s about, ‘I got this free food I’m going to give it to you, come get it at eight o’clock every Wednesday night.”She tells the girls she built the Progress Center so she doesn’t have to “listen to White men tell me how to do it,” and it feels good.“When I’m out in the public, my swag really be on 10, especially if I’m in a space where I’m talking about what I’ve created,” Madison says to the girls.Madison’s careful about funding, to make sure she, not White leadership, stays in control of her center. She ignores advice to abide by respectability politics and doesn’t allow herself to be tokenized by White Madison, she said later.“I am not looking to be accepted by Whiteness, I don’t need Whiteness’ co-sign,” Madison said. “If Whiteness never recognized me, such is life.”She’s not waiting for approval, Johnson said, so she’s willing to push back. He has witnessed her call out “very influential people” in a meeting. Madison said that after the death of Tony Robinson at the hands of a Madison Police officer, she sent a “reply-all” email response sharply criticizing a message from Chief Mike Koval.“I would say if you are looking to get something done authentically, she is the person that you want to work with,” Johnson said. “But if you are phony, fake and not real, she could be your worst nightmare.”Madison said she speaks her mind because after dealing with so much in her childhood, not much can scare her.“I’ve already had all this craziness, this madness, this hurt, this pain,” she said. “I’m just going to do what I got to do, I’m going to say what I need to say. I’ve already had a bad life, so there’s nothing anybody can do to me now where I’m afraid.”She corrects herself with a laugh: “The only person I’m really afraid of is my grandmother.”When she was a child, Madison’s family moved around Milwaukee a lot but settled for a while in the Sherman Park neighborhood on the city’s northwest side. Madison’s father lived in Chicago and died of an overdose when she was 10. She had a rough relationship with her mother, who many years later was diagnosed as a schizophrenic with bipolar disorder. Her brothers sold drugs and eventually wound up in prison. She was a mom at 15.Her mother would regularly call her names like “bitch” and “whore” and leave her at friends’ or relatives’ places for weeks at a time. There were men constantly cycling in and out of the house for what Madison later identified as prostitution.“I’ve already experienced so much bad. Seeing my mother being beaten with a gun, suffer from black eyes for probably three or four years, us having to literally escape the abuser two, three in the morning,” she said.Madison is open about this past, telling pieces of her story on panels, to the Girls Inc. girls, to the teen moms who meet her at the center. It’s this vulnerability that helps others trust her, Webster said.“Yes Sabrina’s exciting, she’s bold, she’s intelligent,” Webster said. “But you’re really missing everything with Sabrina if you don’t appreciate her decency and her warmth.”“You could meet her and then you would think about her like, ‘Who is that? I want to go to her events and I want to help her out,’” said Molly Richardson, Madison’s part-time assistant.After reading to second-graders at John Muir, she sits down for lunch with Memorial High School students who also volunteered. In less than two minutes they’re laughing and she’s razzing them for getting pencils thrown at them.“I didn’t get not one pencil to the face,” she says. “Y’all came in there with the wrong energy.”By the end, Madison’s taking a picture with the group and telling a girl: “I want to see you within like two weeks at the center.”Around 2008, Madison moved to Madison. She didn’t know anyone in the city, but found a job at Goodwill Industries and then rushed to find an apartment because she wanted a better environment for her son, SaVance Ford.“It was really, really important for me to raise him where he would not have the same outcomes that his father had,” Madison said. Her son is 24 and his father has only been out of prison for about five of those years.But it didn’t take long for her to realize “something was wrong with this damn city.” Plenty of statistics prove Madison’s persistent racial disparities, but she sensed something less quantifiable.People she encountered assumed she lived in the Allied Drive neighborhood, which mystified her until she realized there was a large Black population there. People warned her to stay away from Badger Road — which drew her there, because she thought “Black people must live on Badger Road.” Black women seemed isolated. She considered leaving when her son was in high school.“People call themselves such a liberal city, when in reality you’ve created this system of racism where Black people don’t win,” she said.Maia Chen is the owner of art and greeting card company Sweet Sorrel, featured at Madisons’ Black Business Expos. Chen grew up in Madison and remembers struggling to find places to hang out.“I felt like a lot of places where Black and brown kids find to be themselves always end up getting shut down,” Chen said.Banks, the owner of Perfect Imperfections, has lived in Madison all her life, and agreed that it has long been hard for Black people to find a space to comfortably exist.“People can say as much as they want that you can be yourself,” Banks said. “That’s a lie.”Black women are ridiculed for their hairstyles, language they use, clothing and style, she said.Sensing that problem, Madison started carving out her own spaces for Black folks. That started with “Word is Bond” poetry slams and her “Conversation Mixtapes,” regular gatherings for Black people to discuss love and relationships.By that point, Keena Atkinson was in her early 20s and “just began to accept” that there weren’t many places for her to hang out as a Black woman in Madison when she discovered the poetry events and Conversation Mixtapes.“I was telling everybody, ‘Oh my God, you have to go here,’” Atkinson said.Former Mixtape participants talk about the diverse attendee mix, from PhDs and CEOs to those living in their mother’s basement.“We didn’t have to worry about being loud, didn’t have to worry about using Ebonics,” Atkinson said. “We were just cool. We were just being who we were. We could connect around what our mamas did when we were growing up.”But that progress wasn’t enough for Madison, who was working at Madison College at the time. She was so agitated by the time she quit in 2016, she said, she couldn’t even stick it out through the end of her last day. She loved working with students, but some coworkers were like a “walking microaggression,” she said.So she left to work for Black women and hosted her first Black Women’s Leadership Conference months later, followed quickly by the first Black Business Expo. She eventually brought all her projects under one roof when she announced the creation of the Progress Center for Black Women. It found a home a year later.The center is a sea of gray and white, but the velvety furniture offers splashes of deep teal and rich purple, with flashes of gold and silver. It’s stocked with books by Black authors (hardly surprising, as she has 1,116 books in her home library by her last count), decorated with pieces by Black artists. Little Black dolls sit in the bookshelf. She calls it “my little Atlanta.”She schedules meetings at the center whenever she can. It’s her sanctuary from the overwhelming Whiteness of Madison.For Atkinson, it’s a place she can visit with her kids without someone asking, “Are you lost?” or saying, “We need this table for somebody else.” She donates to the center every month, “regardless of what my income looks like.”Madison is in talks with affordable housing developer Movin’ Out to build a permanent center, hopefully as part of a project with 40 units of affordable housing. After that, Madison hopes to build five centers throughout the country. Her first target outside of Madison is Austin, Texas.In the meantime, Madison is helping other women carve out Black spaces. Atkinson got sick of walking into yoga studios and being greeted with surprise or even asked if she was in the wrong space. She decided she would become a yoga instructor, but didn’t have the resources to do it.Madison helped her make it happen.“How many Black single moms who are living at the poverty level are able to quit their job for a month so they can go to yoga teacher training for 200 hours so they can become a yoga teacher?” Atkinson asked.Asked about her legacy, Madison’s friends and supporters have big ideas for her.“We’re all trying to get on Sabrina Madison’s TV show. I’m serious about that,” said Michael Ford, the Hip Hop Architect and friend of Madison’s. “I can see her rising to the ranks of an Oprah Winfrey-type personality.”The Boys and Girls Club’s Johnson envisions the Sabrina Madison Elementary School of the Arts or the Sabrina Madison Social Justice Center.“If she continues to do stuff that she’s doing, in her 50s I think there’s going to be hundreds of women who will say, ‘My life is better because of the Progress Center for Black Women,’” Johnson said.Madison jokes that she’ll know her work is done when she can walk into five Black-owned stores around Madison to pick up a t-shirt, jeans, jewelry, hair product and something to eat.Yet even as Madison works to build Black spaces and advocate for change, she’s been known to encourage Black residents to leave town, especially if their kids are struggling in school. One morning at the center, she gets a phone call from a friend who moved her daughter to Texas — and she snaps her fingers in delight with the good news of this little Black girl flourishing in school.Chen said Madison can’t be the only person pushing back on the “toxicity” of Madison for Black people.“I really believe in what Sabrina is doing and it’s really good for Madison,” Chen said. “I just want it to be able to flourish the way it should. It worries me because of what (the city of) Madison does to things.”Webster said the city has a choice: it can continue to be a politically correct, mid-tier regional city that makes safe choices or it can work to draw people from outside the state.“That requires making investments in people like Sabrina. And I’m not saying just put her on a stage and let her talk and clap and then everyone eat your salad,” Webster said. “Make the seven-figure investment. Make the eight-figure investment.”“There’s a movement happening in this community. I don’t know if people can feel it,” Banks said.Like a train picking up momentum, there are slow but positive changes coming for people of color, and Banks said Sabrina’s a part of that.“People need to get on board,” Banks said.___Information from: The Capital Times, http://www.madison.com/tct
LEFT: A stepping rotary motor. (A) Schematic showing that a specific number (n) of light pulses are emitted at a 1-kHz repetition rate when the light source senses a positive edge on every trigger input. The 1-Hz electric trigger signal is generated by a waveform generator. (B) Step angle of the motor increasing linearly with the light pulse number (n) for one of the trigger inputs. The motor rotates about 0.1° for every single light pulse. (C) Stepping rotation of the motor when the light pulse numbers (n) are 500 and 200. RIGHT: One example application, demonstrating a micromirror for laser scanning. (A) Schematic representation of a rotary plate used as a micromirror to deflect the light beam. The reflected beam rotates 2θ when the plate rotates θ. The distance between the plate and the far field white screen is L (6.4 cm). The relationship between the position of the laser spot on the white screen (y) and the rotation angle of the reflected light (2θ) is y = L × tan(2θ). (B) Sequencing optical images of the laser spot (the center of which is marked with red circles) on the screen in the far field. (C) Experimentally measured and theoretically expected position of the laser spot on the white screen. The rotational speed of the plate, actuated by light pulses at a repetition rate of 5 kHz in the experiment, is 0.95 rpm (0.1 rad/s). The preconceived relationship between y and t is y = L × tan(2ωt + θ0) = 6.4tan(0.2t + θ0). θ0 is the initial angle. Credit: Science Advances, doi: 10.1126/sciadv.aau8271 Light can induce mechanical rotation remotely, instantly and precisely. Light induced micro/nanoscale rotation can generate extensive applications in mechanical actuation, to manipulate biomolecules and deliver cargo. In liquid environments, scientists have demonstrated light-driven rotation by transferring linear and angular momentum to micro-sized objects. In nonliquid environments, dominant forces of adhesion prevent the motion of micro-sized objects. Since adhesion can seriously impede the operation of rotary motors actuated by momentum transfer, liquid is typically used to minimize unwanted impacts. In the present work, Lu et al. deviated from this long-held view to report on a light-actuated motor, where the forces of adhesion in air counterintuitively allowed rotation. The process was assisted by the Lamb wave (a thermo-elastic expansion generated by plasmonic heating of the absorbed pulse light) and the geometrical configuration of the plate-fiber. In the work, Lu et al. demonstrated a light-actuated micromirror with a scanning resolution of 0.001 degrees. They controlled the rotation velocity and stop resolution of the motor (gold plate on a microfiber) by varying the repetition rate and pulse wave in the setup. The scientists showed the motor crawl step-wise, with sub nanometer locomotion resolution in the experiment. The work offers unprecedented application potential to integrate in micro-opto-electromechanical systems, outer-space all-optical precision mechanics and controls, and as laser scanning for miniature lidar systems (light-based navigation/mapping systems). © 2019 Science X Network To construct the microfibers, Lu et al. used a flame-heated drawing technique and synthesized the gold plate containing a single crystal with an atomic smooth surface, in the shape of hexagons or triangles as previously reported. They then experimentally suspended the uniformly fine-drawn optical microfiber in air, or vacuum and placed the gold plate on it using a probe. They used scanning electron microscopy (SEM) imaging to view the plate-microfiber system. During instantaneous on/off movements of a continuous wave (CW) laser, the scientists observed subtly weak azimuthal movement of the gold plate. The movement was due to the expansion/contraction of the gold plate, the accidental effect triggered the pulsed delivery of a supercontinuum light into the microfiber. Using this process, the scientists showed how the gold plate revolved around the microfiber as the light pulses were guided into the setup where Van der Waals forces were responsible for the tight adherence of the plate to the microfiber. Incidentally, since the separation between the gold plate and microfiber was so small, the Van der Waals forces became dominant. When the scientists conducted the same experiment in liquid, the forces of adhesion became smaller, in this instance the gold plate moved away from the microfiber and stopped rotating, showing the necessity of adhesion forces for motion in this setup. For additional insight into the mechanism, the scientists conducted finite element coupled thermal and elastic simulations. The results confirmed the experimental outcomes and indicated that the propagation direction of the Lamb wave generated in the plate-microfiber system was independent of the direction of light propagation within the microfiber. Lu et al. propose using the nanoscale motor thus developed in a variety of fields including micro-opto-electromechanical systems in outer space, during energy conversion and in vacuum high-precision mechanics. The rotating plate can also be used as a scanning micromirror to deflect a laser beam as shown in the study, for laser scanning in miniature lidar systems to map the world in 3D or as laser display systems and optical modulating/switching for integrated microsystems. The new discovery of light-actuated locomotion can open a new era of optical driving and manipulation at the sub-nanometer resolution of locomotion for controlled motion. The work will allow physicists and materials scientists to explore the new landscape of optical nanomanipulation in environments that require a new paradigm, beyond the existing liquid-based function. Citation: Nanoscale Lamb wave-driven motors in nonliquid environments (2019, March 19) retrieved 18 August 2019 from https://phys.org/news/2019-03-nanoscale-lamb-wave-driven-motors-nonliquid.html The motor also worked in vacuum, where the gas pressure was about nine orders of magnitude lower than in air. The rotation speed was linearly proportional to the repetition rate of light pulses and increased linearly, to show that a single light pulse could actuate the motor to rotate at an extremely fine angle. Lu et al. used a waveform generator to produce a signal that could trigger the light source to emit a specific number of pulses and calculated the angle between the microfiber and plate using the projection method. Each light pulse actuated the motor to rotate at a constant angle. The scientists confirmed this result with further experiments.The scientists ruled out optical forces as the driving force during rotation, since the use of CW laser sources of different wavelengths did not cause any rotation to occur; only a pulsed light source with a single wavelength (1064 nm) could drive the motor to rotate. Indicating that pulses played an essential role to generate motion. Previous studies had similarly shown that pulsed light could excite coherent phonons to induce lattice expansion and contraction, to propagate light-induced acoustic waves for many practical applications in optofluidics and bioimaging. Light driven movement is challenging in nonliquid environments as micro-sized objects can experience strong dry adhesion to contact surfaces and resist movement. In a recent study, Jinsheng Lu and co-workers at the College of Optical Science and Engineering, Department of Electrical and Computer Engineering, School of Engineering and the Institute of Advanced Technology in China and Singapore, developed a vacuum system and achieved rotary locomotion where a micrometer-sized, metal hexagonal plate approximately 30 nm in thickness revolved around a microfiber. They powered the motor (plate-fiber) using a pulsed light, which was guided on the fiber by an optically excited Lamb wave. The procedure enabled a plate-fiber geometry motor favorable for optomechanical applications in practice; results of the study are now published on Science Advances. The present results were specifically observed since Lu et al. generated a pulsed light-induced Lamb wave on the thin gold plate placed on the surface of the microfiber, to move the plate across the microfiber surface. They illuminated the phenomenon by explaining that first, when a pulsed laser is focused on a line on the surface of a light-absorbing film, surface acoustic waves known as Rayleigh waves can be generated. The pulsed light is then absorbed by the film to locally heat the surface, causing thermo-elastic expansion to generate surface acoustic waves that can clean adhesive particles on the surface. The Rayleigh wave and Lamb wave have similar patterns of motion, therefore, for instance, when the thickness of a film/plate is smaller than the wavelength of a Rayleigh wave, the Rayleigh wave will gradually transition to a Lamb wave. Explore further Researchers report new light-activated micro pump Journal information: Science Advances Light-actuated rotation of a motor in air. A motor that is driven by a pulsed supercontinuum light with different repetition rates in air (movie sped up 10x). Credit: Science Advances, doi: 10.1126/sciadv.aau8271 Schematic illustration of an experimental setup with a hexagonal gold plate on a microfiber and a pulsed supercontinuum light delivered into the microfiber, with light power measured at the output (pulse duration 2.6 ns, repetition rate 5 kHz, wavelength 450 to 2400 nm). Credit: Science Advances, doi: 10.1126/sciadv.aau8271 , Proceedings of the Royal Society A More information: 1. Nanoscale Lamb wave–driven motors in nonliquid environments advances.sciencemag.org/content/5/3/eaau8271 Jinsheng Lu et al. 08 March 2019, Science Advances.2. On Waves Propagated along the Plane Surface of an Elastic Solid londmathsoc.onlinelibrary.wile … .1112/plms/s1-17.1.4 Lord Rayleigh, November 1885, Proceedings of the London Mathematical Society.3. On waves in an elastic plate royalsocietypublishing.org/doi … .1098/rspa.1917.0008 Horace Lamb, March 1917, Proceedings of the Royal Society A.4. Light-driven nanoscale plasmonic motors www.ncbi.nlm.nih.gov/pubmed/20601945?dopt=Abstract Liu M. et al., 2010 Nature Nanotechnology. , Nature Nanotechnology Practical applications of the plate-fiber geometry motor demonstrates a light-actuated rotary micromirror in the lab. Credit: Science Advances, doi: 10.1126/sciadv.aau8271 LEFT: Light-actuated rotation of a motor in air and vacuum. (A) Schematic of experimental configuration showing that a pulsed supercontinuum light (pulse duration, 2.6 ns; repetition rate, 5 kHz; wavelength, 450 to 2400 nm) is delivered into a microfiber and light power is measured by a power meter at the output end. The microfiber is suspended in air or vacuum, and the gold plate is placed on it and then rotates around it due to the actuation of the pulsed light. (B) False-color scanning electron micrograph of a gold plate (side length, 11 μm; thickness, 30 nm) below a microfiber with a radius of 880 nm. Note that the plate-microfiber system is placed on a silicon substrate after rotation experiments. (C) Sequencing optical microscopy images of the anticlockwise revolving gold plate around the microfiber in air (sample A, 5 kHz). The measured average light power is 0.6 mW. (D) Sequencing SEM images of a clockwise revolving gold plate (long side length, 10.5 μm; short side length, 3.7 μm; thickness, 30 nm) around a microfiber (radius, 2 μm) in vacuum. The measured average light power is 1.5 mW. Arrows in (C) and (D) represent the direction of light propagation. Gray circles and yellow lines below (C) and (D) denote the microfiber and plate, respectively. Red curve arrows indicate the rotation direction of the plate. RIGHT: Relationship between rotation speed and repetition rate. (A) Effective width (Weff) of the plate obtained from every frame of experimental videos (sample A, 1 kHz). (B) Fourier transformation of the effective width to obtain its variation frequency (i.e., rotation speed of the plate). (C) Light-actuated rotation speed of the motor increases linearly with repetition rate of light pulses, and different samples give similar results. The power for every light pulse remains the same when the repetition rate is changed. Credit: Science Advances, doi: 10.1126/sciadv.aau8271 This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.
Kolkata: In a tragic incident, a 28-year-old man jumped in front of a running train along with his two of his sons. All of them died onthe spot. The incident took place near Mashagram railway station in Howrah-Burdwan chord line on Tuesday morning. The incident triggered tension among locals. The victims have been identified as Rakesh Singh (25) and his two sons Ajay Singh (5) and Bijoy Singh (3). Police said they were the residents of Mohanpur Village of Nabagram in Burdwan. The locals on early Tuesday morning found the mutilated bodies of the victims near the railway track and reported the matter to Kamarkundu GRP office. The railway police later recovered the bodies of the victims and sent them for autopsy. Also Read – Rain batters Kolkata, cripples normal lifeAccording to the preliminary investigation, police suspect that the incident might have happened on late Monday night. They suspect that Rakesh along with his two of his children might have jumped in front of a long distance train. The investigating officers are also trying to know if the railway guard had submitted any report stating the knock down incident. Police are investigating into why Rakesh came all the way to Mashagram from Burdwan along with his sons. They are investigating into the incident and figure whether they had visited any nearby place on Monday. The victims could have committed suicide near their house. Also Read – Speeding Jaguar crashes into Mercedes car in Kolkata, 2 pedestrians killedAccording to the primary investigation, the investigating officers suspect that Rakesh might have taken the drastic step over some family related dispute. Their family members are being interrogated in this connection. Police are also probing to know if there was any foul play behind the incident. According to the railway police, they are investigating into all possible angles that might have led to the death of three members from the same family. The investigating officers are waiting for the autopsy reports which could throw some light on their death.
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Related Content Image courtesy of Imago Systems News | Colonoscopy Systems | August 06, 2019 Rise in Early Onset Colorectal Cancer Not Aligned With Screening Trends A new study finds that trends in colonoscopy rates did not fully align with the increase in colorectal cancer (CRC) in… read more May 28, 2019 — A new clinical study shows that Natera’s Signatera test identified colorectal cancer recurrence up to 16.5 months earlier than radiologic imaging by detecting traces of tumor DNA in the blood after surgery. The test also identified patients most likely to relapse, both before and after chemotherapy.1 Results were published in the May issue of JAMA Oncology.1The prospective, multicenter study enrolled 130 patients with stage I–III colorectal cancer from Aarhus University, Randers and Herning hospitals in Denmark. The study used Natera’s Signatera research-use-only test to evaluate molecular residual disease (MRD) in 829 blood samples collected serially throughout the patient monitoring period.Results demonstrated the Signatera test detected molecular recurrence up to 16.5 months earlier than standard-of-care radiologic imaging (average 8.7 months). Serial testing picked up 14 out of 16 relapses (patient-level sensitivity 88 percent), and among patients who did not relapse, 455 out of 456 post-surgical blood samples correctly tested negative (test-level specificity 99.8 percent).The study also found that MRD status was the most significant predictor of relapse after adjusting for all other known risk factors, including disease stage and lymph node status. Signatera MRD-positive patients who did not receive treatment relapsed in 93 percent of cases. Among patients who remained MRD-negative, the relapse rate was 3 percent. These results underscore the potential of MRD status to risk stratify patients more accurately after surgery to determine which patients need additional therapeutic interventions and which could be safely monitored. “Our study showed unequivocally that Natera’s personalized multiplex PCR-based next-generation sequencing is a highly sensitive approach for detecting molecular residual disease in the blood,” said Claus Lindbjerg Andersen, M.Sc., Ph.D., study lead investigator, Aarhus University. “The results show the potential of blood-based MRD detection to drive a paradigm-shift in how patients are managed during the course of their disease.”The study also reported the first published demonstration of Natera’s plasma-based whole exome sequencing capability, in which there was strong concordance between whole exome results from the plasma and tumor biopsy at time of metastasis.For more information: www.natera.com News | Brachytherapy Systems | August 14, 2019 Efficacy of Isoray’s Cesium Blu Showcased in Recent Studies August 14, 2019 — Isoray announced a trio of studies recently reported at scientific meetings and published in medica read more News | Pediatric Imaging | August 14, 2019 Ultrasound Guidance Improves First-attempt Success in IV Access in Children August 14, 2019 – Children’s veins read more News | Mammography | August 14, 2019 Imago Systems Announces Collaboration With Mayo Clinic for Breast Imaging Image visualization company Imago Systems announced it has signed a know-how license with Mayo Clinic. The multi-year… read more News | Oncology Diagnostics | May 28, 2019 New Blood Test Detects Colorectal Cancer Recurrence Up to 16.5 Months Earlier JAMA Oncology study suggests potential for Natera’s Signatera test to guide treatment decisions after surgery News | Artificial Intelligence | August 13, 2019 Artificial Intelligence Could Yield More Accurate Breast Cancer Diagnoses University of California Los Angeles (UCLA) researchers have developed an artificial intelligence (AI) system that… read more News | CT Angiography (CTA) | August 06, 2019 Artificial Intelligence Improves Heart Attack Risk Assessment When used with a common heart scan, machine learning, a type of artificial intelligence (AI), does better than… read more News | Neuro Imaging | August 16, 2019 ADHD Medication May Affect Brain Development in Children A drug used to treat attention-deficit/hyperactivity disorder (ADHD) appears to affect development of the brain’s… read more News | Cardiovascular Ultrasound | August 07, 2019 Contrast Use in First Transthoracic Echocardiogram for Heart Failure Reduces Repeat Testing Heart failure is the fourth most common cause for all admission to U.S. hospitals, and it is the most common reason for… read more News | Radiation Therapy | August 15, 2019 First Patient Enrolled in World’s Largest Brain Cancer Clinical Trial Henry Ford Cancer Institute is first-in-the-world to enroll a glioblastoma patient in the GBM AGILE Trial (Adaptive… read more Reference1. Reinert T., Henriksen T.V., Christensen E., et al. Analysis of Plasma Cell-Free DNA by Ultradeep Sequencing in Patients With Stages I to III Colorectal Cancer. JAMA Oncology, published online May 9, 2019. doi:10.1001/jamaoncol.2019.0528 FacebookTwitterLinkedInPrint分享 Images of regions of interest (colored lines) in the white matter skeleton representation. Data from left and right anterior thalamic radiation (ATR) were averaged. Image courtesy of C. Bouziane et al. News | Breast Imaging | August 02, 2019 Volpara to Distribute Screenpoint Medical’s Transpara AI Solution Volpara Solutions and ScreenPoint Medical BV signed an agreement under which Volpara will sell ScreenPoint’s Transpara… read more
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