Large video displays are a possible application of the new cadmium-free quantum dot LEDs. (Courtesy: iStock/metamorworks) Light-emitting diodes (LEDs) containing semiconducting nanocrystals called quantum dots are ideal for applications such as large-panel displays and solar cells thanks to their high efficiency and colour purity. To date, the chief drawback of these quantum-dot LEDs has been
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Einstein’s theory of general relativity was not always the concise, elegant equation we know today. Einstein needed a “fudge factor” to conform his theory to accepted conventions of the day. It wasn’t until Hubble made a grand discovery that Einstein’s equation regained i’s simple beauty. SPACE’S DEEPEST SECRETS Tuesdays 9/8c on Science http://www.sciencechannel.com/spaces-deepest-secrets/ Subscribe to
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Some Chinese universities have agreements with the People’s Liberation Army (pictured).Credit: Volkan Furuncu/Anadolu Agency/Getty Forty-three Chinese universities should be considered ‘very high’ or ‘high’ risk collaborators because of their involvement in research for military and defence purposes, according to an Australian think tank. The risk assessment comes just weeks after the Australian government released guidelines
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It’s not safe to eat bread or fruit contaminated with mold, even if you cut away the moldy parts. When mold reproduces, it spreads throughout your food, hiding in places you can’t see. And while many species of mold are harmless, others can make you very sick. It’s just not worth the risk. —————————————————— Science
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It is no longer only tree-huggers or green-fingered zero-wasters that are buying and receiving sustainable gifts.  With climate change being considered an international emergency by many, individuals are beginning to take responsibility for their part in protecting Mother Earth, since we know there is no Planet B. It is possible to gift cool items that
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What on Earth? | Tuesdays 9p Ancient Hindu lore about the god Rama sheds light on an incredible feat of ancient engineering. Full Episodes Streaming FREE: https://www.sciencechannel.com/tv-shows/what-on-earth/ Subscribe to Science Channel: http://bit.ly/SubscribeScience Check out SCI2 for infinitely awesome science videos. Every day. http://bit.ly/SCI2YT Join Us on Facebook: http://www.facebook.com/ScienceChannel Follow Us on Twitter: http://www.twitter.com/sciencechannel
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Chinstrap penguins (with black stripe under the chin) and gentoo penguins in waters near the Antarctic Peninsula. In recent decades, gentoos have flourished but chinstraps have floundered. Credit: Rachael Herman/Stony Brook University Animal behaviour 03 December 2019 As the world warms, an adaptable Antarctic bird thrives while the fortunes of a specialist relative fall. Populations
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With the Physics World 2019 Breakthrough of the Year due to be announced on 12 December, Physics World journalists look back at the past decade of winners and explore how research in that field has moved on. Here Matin Durrani reflects on the 2011 breakthrough for “weak measurement” Strength in weakness: physicists in 2011 gained
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As Les tightens up his tarp, he gives a very easy demonstration on how to create a few survival knots. Don’t miss new episodes of SURVIVORMAN Saturdays at 10/9c on Science: http://www.sciencechannel.com/tv-shows/survivorman/ Subscribe to Science Channel: http://www.youtube.com/subscription_center?add_user=sciencechannel Check out SCI2 for infinitely awesome science videos. Every day. http://bit.ly/SCI2YT Download the TestTube app: http://testu.be/1ndmmMq
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Across the world, DNA databases that could be used for state-level surveillance are steadily growing. The most striking case is in China. Here police are using a national DNA database along with other kinds of surveillance data, such as from video cameras and facial scanners, to monitor the minority Muslim Uyghur population in the western
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Facebook is expanding Crisis Response, its disaster-reporting and communications feature that’s been used in 300 crises in over 80 countries. The company today is announcing several new features, including WhatsApp integration, support for first-hand information sharing, and an expansion of its “Data for Good” tools for things like better disaster and displacement maps. Crisis Response
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WASHINGTON — Globalstar executives on Dec. 2 said the recent refinancing of its $342 million debt and new loans secured with help from EchoStar ensures sufficient cash flow through 2025.  Covington, Louisiana-based Globalstar, which has attempted for the past three years to monetize some of its S-band satellite spectrum by cultivating cellular applications within those
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Although laying in bed for the rest of your life might sound relaxing, it can lead to serious health issues. For one thing, most of your muscles would waste away in six months to a year. You could also develop nasty ulcers called bedsores, which can tear through layers of muscle and tissue and expose
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After NASA’s Mars Rover captured some stunning images recently, an entomologist professor from a university in Ohio claimed that these images also show evidence of fossilized and living creatures on the dwarf planet’s surface. Based on these pictures – which were sent back to Earth by the Mars Rover – the professor declared something which none of
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#HowTheUniverseWorks A neutron star is one of the most dangerous objects in the universe. Neutron stars are the densest things besides black holes. A stone sized piece of this star would weigh 100 million metric tons. Full Episodes Streaming FREE on Science GO: https://www.sciencechannelgo.com/how-the-universe-works/ Subscribe to Science Channel: http://bit.ly/SubscribeScience Check out SCI2 for infinitely awesome
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For about a year now, continuous integration and delivery service CircleCI has offered Orbs, a way to easily reuse commands and integrations with third-party services. Unsurprisingly, some of the most popular Orbs focus on AWS, as that’s where most of the company’s developers are either testing their code or deploying it. Today, right in time
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India’s Polar Satellite Launch Vehicle-XL (PSLV-XL) rocket carrying advanced earth observation satellite Cartosat-3 and 13 US nano satellites lifted off from the second launch pad of the rocket port in Sriharikota on Wednesday. At about 9:28am the 44.4 metres tall, weighing 320-ton rocket blasted off from the second launch pad at the country’s rocket port here.
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Hurricane season can be a frightening time for people on and near the east coast of the United States. But in Europe, it’s a different story. Europe rarely ever sees full-on hurricanes reach its shores. But that may not always be the case. —————————————————— #Hurricanes #Europe Science Insider tells you all you need to know
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Fifty years ago, Apollo 10 launched from Cape Kennedy on May 18, 1969. The Apollo 10 mission encompassed all aspects of an actual crewed lunar landing, except the landing. It was the first flight of a complete, crewed Apollo spacecraft to operate around the Moon. The crew members were Commander Thomas Stafford, Command Module Pilot
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In Spider Silk vs. Steel, Elijah, Cannan, and Allie test the age-old eight-legged myth that spider silk is stronger than steel. Stream Full Episodes of MythBusters Jr.: https://www.sciencechannel.com/tv-shows/mythbusters-jr/ Subscribe to Science Channel: http://bit.ly/SubscribeScience Like us on Facebook: https://www.facebook.com/ScienceChannel Follow us on Twitter: Tweets by ScienceChannel Follow us on Instagram: https://www.instagram.com/ScienceChannel/
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When Adam Siepel was building algorithms for evolutionary genomics as part of his PhD, he wasn’t thinking about visualization. But, as a graduate student in the laboratory of computational biologist David Haussler, at the University of California, Santa Cruz (UCSC), he happened to sit next to the software engineers who were building and maintaining a
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SAN FRANCISCO – TriSept Corp., a launch integration and mission management company, announced Dec. 2 an $18 million indefinite delivery indefinite quantity (IDIQ) contract to support NASA cubesat launches. Under the new contract, NASA will have the option of turning to TriSept of Chantilly, Virginia, for mission integration services and dispenser hardware in support of cubesat
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With the Physics World 2019 Breakthrough of the Year due to be announced on 12 December, Physics World journalists look back at the past decade of winners and explore how research in that field has moved on. Here Margaret Harris reflects on the 2010 breakthrough for “new ways of controlling antiatoms of hydrogen” Shared glory at CERN as antihydrogen research takes
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See sake made the traditional way as workers hand manipulate the rice and fermentation. A traditional press is used to extract the sake. Catch HOW IT’S MADE Thursdays at 9/8c on Science Channel: http://www.sciencechannel.com/tv-shows/how-its-made/7 Watch full episodes: http://www.hulu.com/how-its-made http://bit.ly/HowItsMadeFullEpisodes Subscribe to Science Channel: http://www.youtube.com/subscription_center?add_user=sciencechannel Check out SCI2 for infinitely awesome science videos. Every day. http://bit.ly/SCI2YT
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Russian natural-gas pipelines in northwestern Siberia.Credit: Alexander Nemenov/AFP/Getty The Bridge: Natural Gas in a Redivided Europe Thane Gustafson Harvard Univ. Press (2020) Many people imagine that geopolitics drives the energy trade between Russia and Europe. As the story goes, each side seeks to exploit gas and oil to influence the other in the big game
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