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WASHINGTON — NASA and SpaceX officials said after a final pre-launch review they had no major issues about the upcoming Demo-2 commercial crew launch beyond one over which they have no control: the weather. NASA concluded a launch readiness review May 25 for the Demo-2 mission, the final pre-launch review for a mission that will
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Implantable nanophotonic probe based on an optical switch array for optogenetic neural stimulation. Credit: Aseema Mohanty, Columbia Engineering A new chip-based device that can shape and steer blue light could significantly reduce the size of the light projection components used in emerging applications such as augmented and virtual reality, autonomous vehicles, optogenetics and even trapped-ion
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Einstein on Einstein Hanoch Gutfreund & Jürgen Renn Princeton Univ. Press (2020) Albert Einstein admitted in his final essay, ‘Autobiographical sketch’, that fellow physicists opposed his quest to unify the general theory of relativity with quantum mechanics. But he took comfort from philosopher Gotthold Lessing’s dictum: “The search for truth is more precious than its
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Updated 5:00 p.m. Eastern. WASHINGTON — Virgin Orbit’s LauncherOne failed to reach orbit in its first launch attempt May 25, with the mission “terminated” moments after the rocket’s release from its aircraft. The company’s “Cosmic Girl” aircraft, a modified Boeing 747, took off from the Mojave Air and Space Port in California at 2:56 p.m.
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As Earth formed from the disk of matter swirling around the Sun (artist’s impression), hydrogen moved into what would become the planet’s core. Credit: Gregoire Cirade/SPL Geology 25 May 2020 The core might contain Earth’s biggest reservoir as a result of hydrogen moving into the early planet’s centre. Earth’s core might contain most of the
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Raytheon and a Northrop Grumman/Ball Aerospace team designed competing sensor payloads for the Next-Gen OPIR geosynchronous satellites. WASHINGTON — Two sensor payloads for the U.S. Space Force’s new missile warning satellites have passed a key design review. One of them will be selected for the first Next-Generation Overhead Infrared satellite scheduled to launch in 2025.
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Tiphaine Kouadou is a PhD student who is supposed to finish her dissertation this year and Mattia Walschaers is a CNRS research scientist. Both work in the multimode quantum optics group at the Laboratoire Kastler Brossel (LKB) in Paris, France, which is affiliated with Sorbonne Université, CNRS, ENS Université PSL, and Collège de France. This
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Hello Nature readers, would you like to get this Briefing in your inbox free every day? Sign up here Bumble bee (Bombus terrestris) worker damages a plant leaf. Bee-inflicted leaf damage leads to accelerated flowering and might have implications for the phenological synchrony of plants and pollinators.Hannier Pulido, De Moraes and Mescher Laboratories When pollen
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NASA has added five American companies — Blue Origin, Ceres Robotics, Sierra Nevada Corporation, SpaceX and Tyvak Nano-Satellite Systems Inc. — to the pool of vendors that will be eligible to bid on proposals to provide deliveries to the surface of the Moon through the agency’s Commercial Lunar Payload Services (CLPS) initiative. News release: https://go.nasa.gov/2Xr4MK9
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Authorities recently found a Catahoula mix on the side of a road in Texas, where the dog was seen guarding another dog’s body. The Kingsville-Kleberg Health Department Animal Control & Care Center reported that the dog, who they named ‘Guardian,’ was standing beside the dead body as though it was protecting it. When Animal Control Officers tried to approach the two,
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WASHINGTON — While both the president and vice president plan to attend the Demo-2 commercial crew launch, there will be far fewer people attending the first American human orbital spaceflight in nearly a decade than once expected. The White House announced May 22 that President Donald Trump will go to the Kennedy Space Center for
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A species of parchment tubeworm can exude slime that can glow a blue hue that lasts for days. Predators can get this sticky mucus with a blue glow on them if they tread upon these tubeworms. Such luminescence is produced by many algae, bacteria, and higher animals. However, the light they produce does not last very
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SARS-CoV-2 coronavirus particles imaged using an electron microscope.Credit: NIAID/National Institutes of Health/Science Photo Library Brazil’s researchers have a battle on their hands. The country has the world’s third-highest number of confirmed COVID-19 cases, with more than 300,000 infections and 20,000 deaths. Scientists there have to fight not only the coronavirus, but also the government’s anti-science
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WASHINGTON — Virgin Orbit says that it’s ready for its first orbital launch attempt, scheduled for May 24, while acknowledging potentially long odds of successfully placing a payload into orbit. Company executives said in a May 23 media call that final preparations for the inaugural LauncherOne mission are proceeding, with a “green board” and no
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John Horton Conway was one of the most versatile mathematicians of the past century, who made influential contributions to group theory, analysis, topology, number theory, geometry, algebra and combinatorial game theory. His deep yet accessible work, larger-than-life personality, quirky sense of humour and ability to talk about mathematics with any and all who would listen
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