Science

EL PASO, Texas — The Federal Aviation Administration has revised its criteria for awarding astronaut wings to those flying on commercial spacecraft, making the requirements stricter while including a significant loophole. The FAA Office of Commercial Space Transportation issued an order July 20 describing its FAA Commercial Space Astronaut Wings Program and the criteria for
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Self-healing circuit continues to carry current even when twisted. Photo by Alex Parrish for Virginia Tech A new type of self-healing liquid metal composite could be used to make soft, recyclable, electronic circuits. These composites do not break even when punctured and can be repeatedly stretched without losing their electrical conductivity. Most electronic circuits are
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A 3D image (taken with laser confocal microscopy) shows crater-like features generated by the captured droplets. Courtesy: Northwestern University A transparent, viscous coating that can be brushed or painted onto any type of surface could reduce disease transmission by capturing airborne droplets. The coating, which is based on a polymer commonly employed in cosmetics, could
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TAMPA, Fla. — Lynk aims to launch multiple operational satellites on a SpaceX ride-share mission in December, ahead of plans to provide connectivity services with the constellation directly to unmodified cellphones next year. The Virginia-based startup booked a place on a SpaceX transporter mission through ride-share service provider Spaceflight, Lynk CEO Charles Miller told SpaceNews.
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WASHINGTON — Blue Origin is on track to perform the first crewed launch of its New Shepard vehicle July 20, carrying company founder Jeff Bezos and three others on a suborbital spaceflight. At a July 18 news conference, company officials said they had successfully completed a flight readiness review for the NS-16 mission that will
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Researchers report on the unexpected observation of thermal waves in germanium for the first time. Courtesy: ICMAB/UAB Researchers in Spain and Italy have observed “second sound” in a room-temperature semiconductor for the first time. This phenomenon, which occurs when distinct waves of temperature pass through a material, had previously only been observed in exotic superfluids
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TAMPA, Fla. — Satellite operator SES is leading a consortium to design a system for guarding communications in Luxembourg against cyberattacks, which could feed into Europe’s broader plan for a network that is also protected by quantum technology. The consortium will devise a satellite and terrestrial network for Luxembourg’s Quantum Communications Infrastructure (LuxQCI) project, which
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Hunter, director of the defense industrial initiatives group at the Center for Strategic and International Studies, would be the Department of the Air Force’s senior acquisition executive. WASHINGTON — The White House announced July 16 that President Biden intends to nominate defense procurement expert Andrew Hunter to be assistant secretary of the Air Force for
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A view into one of the two vacuum chambers used in the experiments. Credit: Max-Planck-Institute of Quantum Optics For the first time, physicists have succeeded in measuring the same photon at two different locations within an optical fibre – all without destroying the photon. The new non-destructive technique, which was developed by researchers at the
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WASHINGTON — NASA’s Hubble Space Telescope returned to science operations July 17 after a hiatus of more than a month as controllers successfully switched the orbiting observatory to a backup payload computer. NASA said the instruments of the 31-year-old telescope are now operational nearly five weeks after a payload computer, which commands those instruments, malfunctioned.
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TAMPA, Fla. — Malaysian operator Measat has likely lost control of an aging satellite that has been drifting westward in geostationary orbit for nearly a month, according to analysts at space tracking company ExoAnalytic Solutions.  The ExoAnalytic space tracking system detected an anomaly for Measat-3 on June 21, after which it started drifting out of
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