Click here if you are having trouble viewing the photo gallery or video on your mobile device.SEATTLE – Below are five takeaways from the Warriors’ 122-94 preseason victory over the Sacramento Kings on Friday at Key Arena.1.Kevin Durant’s return to Seattle reminded me of Kobe Bryant’s farewell tour. Everything about the game centered on the nostalgia and history. The fans yearned for the star player to put on a show. And the result and game itself mattered very little.That summed up …
Sunlight is free – if we could just learn how to use it better. For decades, engineers have been trying to improve the efficiency of solar cells. Why not look at nature? Science Daily reported on work going on in China and Japan: “The discovery that butterfly wings have scales that act as tiny solar collectors has led scientists in China and Japan to design a more efficient solar cell that could be used for powering homes, businesses, and other applications in the future.” Artificial solar cells struggle to attain 10% efficiency. The scientists are finding that butterfly wings not only collect light more efficiently, they are easier to work with. The fabrication process is simpler and faster than other methods, and could be used to manufacture other commercially valuable devices, the researchers say.Don’t let Charlie take credit for these kinds of stories. Biomimetics has intelligent-design science written all over it. For a feast of biomimetic wonders, see “The 15 Coolest Cases of Biomimicry” at BrainZ.org. Many of these examples have been reported in our pages.(Visited 8 times, 1 visits today)FacebookTwitterPinterestSave分享0
Many of the more dramatic changes we have seen in India in the last 35 years came after the liberalising reforms of the early 1990s, which affected everything from the TV we watch to the shoes we buy. But the changes are far from being wholesale ones or even entirely predictable.,Many of the more dramatic changes we have seen in India in the last 35 years came after the liberalising reforms of the early 1990s, which affected everything from the TV we watch to the shoes we buy. But the changes are far from being wholesale ones or even entirely predictable. Instead, they offer up more arenas in which to debate who we are, what we want and the kind of society we want to live in.We build malls and sometimes visit themFor a time, the Citi Centre mall was just a 15-minute walk from my flat in Mylapore, Chennai. On my way, I would pass old temples, a huge garbage dump and an open-air fish market. I would drink coconut water on the way, saving myself from an expensive carbonated drink once inside. The mall itself-an ugly, faux renaissance construction-towered above this varied landscape and sported a gigantic metal generator to one side. Most people came to the mall in cars or on motorbikes and the roads around it were always jammed. I’m one of those who don’t like malls. But I did like the air-conditioning from April to July and going from one shop to the next without being sideswiped by a motorcycle or lashed by the sun.The rise of the consumer citizenGone are the days of relatives bringing mixies, jeans and lipsticks from abroad. Everything is available here now and there are thousands of billboards to remind you of just what you should aspire to have. On one hand, there is a greater openness to the outside world and more awareness of that world by the common woman and man. On the other, the divides between the “haves” and “have-nots” look more severe and callous. We are told the good life will trickle down, yet, looking around even so-called middle class areas, while professional salaries and purchasing power have risen, the lifestyles continue to be subsidised by the low-wage labour of the service class.advertisementThe way we move aroundCheaper domestic flights have intensified social and business networks as north, south, east, and west are within a few hours of each other. On the road, we are moving faster and in bigger vehicles. But we’re doing so on the same narrow, pot-holed roads as before. So we topple over each other, get stuck in smoke-filled jams, and in our haste, crush into one another, making Indian roads the deadliest in the world. Meanwhile, on the Delhi Metro, one mid-20s commuter told me that now she takes the Metro to work instead of the bus, cutting her commute time to half. Coining a new phrase and sensibility, she called her new way of getting around, “Delhi up-down”.We are being watchedOn the same Metro platform, CCTV cameras watch commuters’ every move, or so they say. At airports, movie theatres, central markets and elsewhere, we are searched. The management of these new technologies has created new industries of surveillance and is directed by a new techno-managerial class. Individuals in this class who are corruption-free are held up as beacons of hope, yet corrupt practices are still the rule rather than the exception.We are on the world stage of literatureLate JNU English professor Meenakshi Mukherjee was ambivalent about the success and hype of Indian English fiction. With a hint of lament, she would speak of her students who all wanted to be the next Arundhati Roy. Novels have become a way to judge a nation’s cultural worth, and hence they are political and cultural emblems, which is why we debate every shortlist, prize and prize refusal, though only when an Indian author is involved.There is more English that is less EnglishLast year while teaching at IIT-Madras, two things became clear to me. One, all of my students were very smart and second, each had a different command over the English language. One of them explained it this way: In school, English was taught to them as a “subject” but never as a “language”. As English has gone from being a colonial language to a global one, more Indians speak it; lower-class and lower-caste Indians rightly demand it, but the question of how and if it will be meaningfully incorporated into the education of Indians remains unclear.We walk and talk and message and blogEnglish has enabled some Indians to gain jobs in it and at call centres, but much more significantly, cellphones and the Internet have enabled Hindi, Marathi, Tamil, Malayalam and many more languages to flourish in new ways and move across borders like never before. In an average day, we speak at least three languages to different people for different things, often picking words from different languages to produce a melange that says it just right. The genius of Indian life surely resides in the multilingual reality of the day-to-day.advertisementWhat we eat has changed, and so have weFor 30 years, a great-uncle of mine owned two restaurants near his house in Nainital and took great pride in the fact that he never ate at either of them. We are known for being particular about our food. Yet, many have relaxed these restrictions and mark status in other ways. We eat and drink more kinds of things more quickly in more places than ever. But are we satisfied? Now, the middle classes are succumbing to lifestyle diseases like diabetes and obesity, while the rural and urban poor are stuck with an extremely high rate of childhood malnutrition and stunted growth.We like to think we have replaced caste with classIt’s true that we look (and in some ways are) more alike as we sit side-by-side, from north to south, in salwar-kameez or pair of jeans, yet the vast majority of our marriage arrangements are still airtight, and who sits in an office and who in a slum still has everything to do with your father’s name. The post-Mandal Commission era didn’t bring back caste divisions; it just showed they never went away.How we say, “I love you”When it had been decided, in 1961, that my parents would marry, they went on a few outings to Connaught Place. Soon anonymous notes were slipped under the door of my father’s relative’s house, saying their behaviour was not setting a good example. Many years later, on a cool February evening, I was walking near the Delhi University campus with a female friend when three boys on a motorcycle stopped to grab at us. When we complained to a guard standing at a nearby college gate, he explained, “But madam, it is Valentine’s Day.” Earlier in the day, Hindutva activists had overturned chairs at the local Nirula’s to scare away couples and made a mess of an Archie’s card shop in Kamla Nagar market. The style of love is changing, but it still poses a problem.Rashmi Sadana is the writer’s book English Heart, Hindi Heartland: the Political Life of Literature in India is forthcoming from the University of California Press
Perhaps when kicker Aaron Pettrey strikes the ball off the tee around noon on Saturday, attention will be shifted to the opposition actually on the field that day.Despite the buzzing anticipation surrounding a certain adversary scheduled to trek to Columbus on Sept. 12, the Buckeyes must first handle their season-opening opponent, Navy. The Midshipmen are no walkovers either, having won at least eight games in each of the past six seasons.Coach Jim Tressel ensures that his squad isn’t looking past a solid Navy team.“The only distraction we have right now is Navy and figuring out how to stop that option,” he said.The option that Tressel refers to is Navy’s unique offensive attack, the triple-option. The Midshipmen led the nation in rushing thanks to a gameplan that calls for the quarterback, running back and fullback to all motion toward the line of scrimmage before one of the players carries the ball forward.Navy ran the ball 715 times last season, while only passing it on 93 occasions.Opposing defenses, struck with mass confusion, often find it difficult to determine which potential ball carrier to stop. Sprinkling in fake handoffs and infrequent passes make containing the attack even trickier. “[Our defense] will never have seen so many guys flying at them at the speed at which it happens here,” Tressel said.Few teams execute the triple-option, and perhaps none as efficiently as Navy. They averaged more than 27 points per game and finished the season with four players totaling at least 480 yards rushing.“I don’t think you know what you’re in for when you face this offense until you’re out on the field,” Tressel said. “It’s going to be a tremendous challenge. Our guys are going to have to stay on their feet, because if they’re not on their feet, they’re in trouble. But our guys are preparing hard- our defense, I think, has a good plan.”On the other side of the ball, Navy must sketch out a blueprint to contain Terrelle Pryor, the Big Ten Preseason Offensive Player of the Year. The sophomore quarterback has evolved into the leader of the Buckeye offense, an important factor since the team will rely on many inexperienced athletes to contribute.“We’ve got a lot of new guys that we’ve got high hopes for and they’ve been working hard and let’s see how they do,” an optimistic Tressel said. “Maybe you assume that they’ll progress, but still that’s a question. We have a lot of practice, but it’s different when you get over there.”As for Pryor, the first OSU freshman to start at quarterback in 30 years, Tressel expects a steady progression from his rookie campaign to his second year.“A year ago this time, he was getting 15, 20 percent of the snaps and just doing a very limited amount of things, trying to figure out what the formations meant,” Tressel said. “He’s still a sophomore but he’s got a tremendous amount more vantage point than he had a year ago.”The Buckeyes enter the season amid the typical high expectations. They’ll carry the nation’s No. 6 ranking into The Shoe on Saturday, and if they can contain the triple-option, then the team can finally focus on the contest against USC.
Mohamed Salah has been impressive for Liverpool this season in the Premier League and when voting for the best player of the season, it will be between him and Kevin De Bruyne.Dietmar Hamann believes that the Egypt international should win the award as he has been even better than the Belgian playmaker and he has to be rewarded for his amazing effort and performances throughout the whole season.The former Reds midfielder spoke about Salah’s season as he said, according to Goal:“I think the vote will be in next few weeks.”Jose Mourinho is sold on Lampard succeeding at Chelsea Tomás Pavel Ibarra Meda – September 14, 2019 Jose Mourinho wanted to give his two cents on Frank Lampard’s odds as the new Chelsea FC manager, he thinks he will succeed.There really…“KDB has been phenomenal since he joined Man City but purely on the goalscoring charts, the goals Salah has scored means if I had a vote it would be Mo Salah’s.”“He’s having a great run. Every time he shoots he scores.”“Yes, he has surprised me. I remember him from Basel where I thought he looked decent. [He] came to Chelsea, went to Roma had a good time and he carries on what he did at Roma.”
WILMINGTON, MA – Wilmington Public Schools is seeking substitute teachers at the elementary school, middle school and high school levels, according to a job listing posted on March 13.Substitute teacher rates in Wilmington are as follows:Day to day: $75/day without a DESE license, $85/day with a DESE license45-59 days in the same assignment: $100/day without a DESE license, $110/day with a DESE license60-90 days in the same assignment: $115/day without a DESE license, $125/day with a DESE license91 or more days in the same assignment: $250.84/day (must have a DESE license)The school system is also seeking substitute educational assistants ($60/day), substitute LPNs ($100/day), and substitute nurses ($125/day).View the job posting, which includes further information about the application process, HERE.Got a question? Contact Andrea Armstrong, Human Resources Director, at 978-694-6000 or firstname.lastname@example.org.Like Wilmington Apple on Facebook. Follow Wilmington Apple on Twitter. Follow Wilmington Apple on Instagram. Subscribe to Wilmington Apple’s daily email newsletter HERE. Got a comment, question, photo, press release, or news tip? Email email@example.com.Share this:TwitterFacebookLike this:Like Loading… RelatedWilmington Public Schools Hiring Substitute Teachers, Educational Assistants & Nurses For Upcoming School YearIn “Education”Wilmington Public Schools Hiring Substitute Teachers, Educational Assistants & NursesIn “Education”Wilmington Public Schools Hiring Substitute Teachers, Educational Assistants & NursesIn “Education”
(PhysOrg.com) — Evatran, a company from Virginia in the US, has developed a working prototype of a plugless induction charger for electric and hybrid vehicles, and demonstrated the system at this week’s Plug In conference in San Jose, California. Smart Charger Controller simplifies electric vehicle recharging (w/Video) More information: www.pluglesspower.com/ To recharge a vehicle’s battery using the system, the vehicle parks at a Plugless Power station over a floor-mounted parking block, which automatically aligns itself with a special adapter fitted to the vehicle and begins charging. There is no flow of electricity between the vehicle and parking block and no plugs or cables. The system operates by electrical induction, which is the principle behind the electrical transformer. In this process electrical current flowing into a primary source produces a flow of current into a secondary source, without using plugs or cords. Induction charging provides the convenience of wireless “hands-free” charging, but the down side is that power loss during charging can reach 20 percent. Evatron says the system is 80 percent efficient at the moment, but hopes to reach 90 percent efficiency by the time production units are released.The system has three major components: an adapter fitted on the vehicle, a parking block, which is a long flat pad on the ground underneath the vehicle at the charging station or in the garage, and a control tower plugged into the grid. Essentially, the adapter and parking block form two separated halves of an electrical transformer.The vehicle adapter and parking block both contain metal coils. When a vehicle parks over the block the coils inside the block move under the guidance of magnetic sensors until they are aligned to within 6-8 cm of the coils in the adapter. The tower converts mains electricity into the correct frequency for the charger to use. When the coils are lined up, electricity in the control tower creates a strong magnetic field in the coils in the parking block, and this induces an electrical current to flow in the coils in the vehicle adapter to charge the batteries.Induction chargers have been used in portable devices such as mobile phones and electric toothbrushes, and for medical implants, but this is the first time such a system has been tried for electric and hybrid vehicles. Evatran’s corporate trade show video. A pilot program will run during 2010, and the final version is expected to be released in April next year. Evatron is inviting pioneer electric and hybrid vehicle owners to join in their field trials. Citation: Plugless Power soon to arrive for electric and hybrid vehicles (2010, July 30) retrieved 18 August 2019 from https://phys.org/news/2010-07-plugless-power-electric-hybrid-vehicles.html © 2010 PhysOrg.com Explore further 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.
TEM images of preformed α-syn fibrils at various time points (6 and 12 h, 1, 3 and 7 days) in the absence (top) and presence (bottom) of GQDs. Credit: Nature Nanotechnology (2018). DOI: 10.1038/s41565-018-0179-y A large team of researchers with members from several institutions in the U.S., Korea and Japan has found that injecting quantum dots into the bloodstreams of mice led to a reduction in fibrils associated with Parkinson’s disease. In their paper published in the journal Nature Nanotechnology, the group describes their studies of the impact of quantum dots made of graphene on synuclein and what they found. © 2018 Medical Xpress Explore further Citation: Quantum dots found to reduce fibrils in Parkinson’s mouse models (2018, July 10) retrieved 18 August 2019 from https://phys.org/news/2018-07-quantum-dots-fibrils-parkinson-mouse.html More information: Donghoon Kim et al. Graphene quantum dots prevent α-synucleinopathy in Parkinson’s disease, Nature Nanotechnology (2018). DOI: 10.1038/s41565-018-0179-yAbstractThough emerging evidence indicates that the pathogenesis of Parkinson’s disease is strongly correlated to the accumulation1,2 and transmission3,4 of α-synuclein (α-syn) aggregates in the midbrain, no anti-aggregation agents have been successful at treating the disease in the clinic. Here, we show that graphene quantum dots (GQDs) inhibit fibrillization of α-syn and interact directly with mature fibrils, triggering their disaggregation. Moreover, GQDs can rescue neuronal death and synaptic loss, reduce Lewy body and Lewy neurite formation, ameliorate mitochondrial dysfunctions, and prevent neuron-to-neuron transmission of α-syn pathology provoked by α-syn preformed fibrils5,6. We observe, in vivo, that GQDs penetrate the blood–brain barrier and protect against dopamine neuron loss induced by α-syn preformed fibrils, Lewy body/Lewy neurite pathology and behavioural deficits. 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. Gold changes photoluminescence of silicon quantum dots Quantum dots are particles that exist at the nanoscale and are made of semiconducting materials. Because they exhibit quantum properties, scientists have been conducting experiments to learn more about changes they cause to organisms when embedded in their cells. In this new effort, the researchers became interested in the idea of embedding quantum dots in synuclein cells.Synucleins make up a group or family of proteins and are typically found in neural tissue. One type, an alpha-synuclein, has been found to be associated with the formation of fibrils as part of the development of Parkinson’s disease. To see how such a protein might react when exposed to quantum dots, the researchers combined the two in a petri dish and watched what happened. They found that the quantum dots became bound to the protein, and in so doing, prevented it from clumping into fibrils. They also found that doing so after fibrils had already formed caused them to come apart. Impressed with their findings, the team pushed their research further.Noting that quantum dots are small enough to pass through the blood/brain barrier, they injected quantum dots into mice with induced Parkinson’s disease and monitored them for several months. They report that after six months, the mice showed improvements in symptoms.The researchers suggest that quantum dots might have a similar impact on multiple ailments where fibrilization occurs, noting that another team had found that injecting them into Alzheimer’s mouse models produced similar results.It is still not known if injecting similar or different types of quantum dots into human patients might have the same effect, they note. Nor is it known if doing so would have any undesirable side effects. Still, the researchers are optimistic about the idea of using quantum dots for treatment of such diseases and because of that, have initiated plans for testing with other animals—and down the road they are looking at the possibility of conducting clinical trials in humans. Journal information: Nature Nanotechnology