Science

NSSA says space programs are governed by a mix of outdated and emerging classification guidance that produces inconsistent policies. WASHINGTON — The National Security Space Association, a group that represents U.S. defense and intelligence contractors, says outdated security clearance policies thwart the United States’ ability to outpace adversaries that seek to undermine U.S. space operations.
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Quantum erasure: calculations suggest that heat dissipation could be a problem in large-scale quantum computers of the future. (Courtesy: iStock/agsandrew) The question of how much heat is given off when erasing a single bit of information has excited scientists for decades, given its fundamental implications for thermodynamics and computation. Physicists in Ireland and the UK
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SAN FRANCISCO — General Atomics announced Oct. 28 the acquisition of Guidestar Optical Systems, a space and defense company based in Longmont, Colorado, which it plans to integrate into the General Atomics Electromagnetic Systems (GA-EMS) group. “We are excited to bring the Guidestar team on board to further enhance our diverse portfolio of laser technologies,”
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Air Force Col. Michael “Hopper” Hopkins, commander of NASA’s SpaceX Crew-1 mission, will be commissioned into the U.S. Space Force. WASHINGTON — NASA astronaut Michael Hopkins, a U.S. Air Force colonel and the commander of the upcoming SpaceX Crew Dragon mission, is transferring to the U.S. Space Force and is expected to be commissioned aboard
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By Allison Kubo Hutchsion  Although humans first witnessed nuclear reactors in 1942 with the development of the Chicago-Pile by Enrico Fermi, natural fission reactors existed billions of years ago. Fission is the process of breaking apart atoms of heavy elements such as uranium. Energy is released during fission in the form of heat and can
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FCC Chairman Ajit Pai talks orbital debris rules, megaconstellations, C-band auction, Ligado and more with SpaceNews. WASHINGTON — The U.S. Federal Communications Commission’s recent run of space-related regulatory actions has earned the agency both praise and scorn from the space industry. Streamlined licensing procedures adopted earlier this year promise to make it cheaper for smallsat
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AN FRANCISCO – The Aerospace Corp. is working to license commercially a laser communications subsystem that downlinked data at a rate of 200 megabits per second from three-unit cubesats. The Aerospace Corp. demonstrated the latest version of its laser communications subsystem on the Rogue Alpha and Beta cubesats built for the U.S. Space Force Space
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SAN FRANCISCO – An international consortium plans to launch a hyperspectral camera built by South Africa’s Dragonfly Aerospace on a NanoAvionics rideshare mission scheduled to launch on a SpaceX Falcon 9 rocket in 2021. The mission, called HyperActive, is designed to demonstrate the performance of Dragonfly’s miniature hyperspectral imager plus a high-gain X-band antenna and
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