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The discrete-time physics hiding inside our continuous-time world![]() ![]() Santa Fe NM (SPX) Apr 16, 2019 Scientists believe that time is continuous, not discrete - roughly speaking, they believe that it does not progress in "chunks," but rather "flows," smoothly and continuously. So they often model the dynamics of physical systems as continuous-time "Markov processes," named after mathematician Andrey Markov. Indeed, scientists have used these processes to investigate a range of real-world processes from folding proteins, to evolving ecosystems, to shifting financial markets, with astonishing success. ... read more |
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![]() Washington DC (SPX) Apr 18, 2019 Scientists have long known that Earth and Mercury have metallic cores. Like Earth, Mercury's outer core is composed of liquid metal, but there have only been hints that Mercury's innermost core is s ... more ![]() ![]() London, UK (SPX) Apr 18, 2019 ARIEL, a mission to make the first large-scale survey of exoplanet atmospheres, has launched a global competition series to find innovative solutions for the interpretation and analysis of exoplanet ... more ![]() ![]() Beijing (XNA) Apr 18, 2019 China will promote aerospace development, strengthen international cooperation and contribute Chinese wisdom, plans and strength in man's peaceful utilization of outer space, said an official with C ... more ![]() ![]() Jinchang, China (AFP) April 17, 2019 In the middle of China's Gobi desert sits a Mars base simulator, but instead of housing astronauts training to live on the Red Planet, the facility is full of teenagers on a school trip. ... more |
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Previous Issues | Apr 17 | Apr 16 | Apr 15 | Apr 12 | Apr 11 |
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![]() Washington DC (SPX) Apr 16, 2019 Space exploration brings humanity some of its greatest challenges and opportunities. We faced this hard fact on April 11 when the Beresheet spacecraft developed by Israel's SpaceIL failed to success ... more ![]() ![]() Greenbelt MD (SPX) Apr 16, 2019 Researchers from NASA and the Johns Hopkins University Applied Physics Laboratory in Laurel, Maryland, report that streams of meteoroids striking the Moon infuse the thin lunar atmosphere with a sho ... more ![]() ![]() Washington (Sputnik) Apr 18, 2019 Wanting to better understand how space affects astronauts, the US' National Aeronautics and Space Administration (NASA) sent a group of mice to the International Space Station for 37 days. NAS ... more ![]() ![]() San Diego CA (SPX) Apr 17, 2019 Astronomers have discovered a third planet in the Kepler-47 system, securing the system's title as the most interesting of the binary-star worlds. Using data from NASA's Kepler space telescope, a te ... more ![]() ![]() Washington DC (SPX) Apr 17, 2019 The president directed NASA to land American astronauts on the Moon by 2024, and the agency is working to accelerate humanity's return to the lunar surface by all means necessary. "We've been ... more |
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![]() ![]() NASA 'Nose' importance of humans, robots exploring together ![]() ![]() Boston MA (SPX) Apr 17, 2019 NASA's Transiting Exoplanet Survey Satellite, TESS, has discovered its first Earth-sized exoplanet. The planet, named HD 21749c, is the smallest world outside our solar system that TESS has identifi ... more ![]() |
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![]() Washington (UPI) Apr 12, 2019 Scientists have discovered oil-eating bacteria in the planet's deepest oceanic trench, the Mariana Trench. ... more ![]() ![]() Bethesda MD (SPX) Apr 16, 2019 We see more and more reports of debris concern among satellite operators and space observers. Add to this the many recent announcements of multiple broadband satellite constellations that are being ... more ![]() ![]() New Delhi (Sputnik) Apr 17, 2019 US Strategic Command chief General John E. Hyten defended India before members of the Senate Armed Services Committee, saying that the country had tested the anti-satellite missile because it needed ... more ![]() ![]() Washington DC (SPX) Apr 12, 2019 Researchers have measured an optical clock's ticking with record-breaking accuracy while also showing the clock can be operated with unprecedented consistency. These achievements represent a signifi ... more ![]() ![]() Paris (ESA) Apr 08, 2019 Satellites are among the most complex machines ever designed, but in key respects they are still hand-made. A set of ESA-approved training schools train and certify the best solderers in Europe, to ... more |
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A small step for China: Mars base for teens opens in desert Jinchang, China (AFP) April 17, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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NASA accepts challenge of sending American astronauts to Moon in 2024 Washington DC (SPX) Apr 17, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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Public Invited to Help Name Solar System's Largest Unnamed World Pasadena CA (SPX) Apr 10, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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Astronomers discover third planet in the Kepler-47 circumbinary system San Diego CA (SPX) Apr 17, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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First launch of Soyuz MS on new Soyuz-2 rocket planned for 2020 Moscow (Sputnik) Apr 18, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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China to enhance international space cooperation Beijing (XNA) Apr 18, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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One Comet, 70,000 Images on the Internet Gottingen, Germany (SPX) Apr 18, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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Leidos awarded $19.3M for work on laser weapon system Washington (UPI) Apr 8, 2019 ![]() ![]() ![]() ![]() ![]() |
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NATO to use THAAD in Romania this summer Washington (UPI) Apr 11, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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NASA's Cassini Reveals Surprises with Titan's Lakes Pasadena CA (JPL) Apr 16, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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Fast and selective optical heating for functional nanomagnetic metamaterials Usurbil, Spain (SPX) Apr 17, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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What Earth's gravity reveals about climate change Potsdam, Germany (SPX) Apr 17, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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Lithium in ancient star gives new clues for big bang nucleosynthesis La Palma, Spain (SPX) Apr 18, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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NASA 'Nose' importance of humans, robots exploring together Greenbelt MD (SPX) Apr 17, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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Kongsberg Geospatial beefs up micropilot autopilots to enhance BVLOS capabilities Ottawa, Canada (SPX) Apr 17, 2019 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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