Science

Mass-shifting particles have finally been spotted LAGUNA DESIGN/SCIENCE PHOTO LIBRARY Strange particles that have mass when moving one direction but no mass when moving in another were first theorised more than a decade ago. Now, these mass-shifting particles have been glimpsed in a semimetal exposed to extreme conditions. “This [particle] is very bizarre. You can
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WASHINGTON — Satellite manufacturer Astranis announced Nov. 1 it is teaming up with navigation startup Xona Space Systems to compete for a U.S. Space Force contract aimed at developing a backup to the military’s GPS system. California-based Astranis, which builds small geostationary satellites for internet connectivity, secured an $8 million contract for the initial design
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Have we found a new limit on the universe? kkssr/Shutterstock A newly proposed cosmic speed limit may constrain how fast anything in the universe can grow. Its existence follows from Alan Turing’s pioneering work on theoretical computer science, which opens the intriguing possibility that the structure of the universe is fundamentally linked to the nature
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TAMPA, Fla. — The European Commission said Oct. 31 it is proceeding with delayed plans for a multi-orbit sovereign broadband constellation, after getting a best-and-final offer from a group led by a trio of domestic satellite operators. A contract for designing and operating more than 290 satellites by 2030 to support government communications remains subject to
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HELSINKI — China’s human spaceflight agency has selected two proposals to develop spacecraft for low-cost space station resupply missions, echoing earlier moves by NASA. The China Manned Space Engineering Office (CMSEO) opened a call last year for proposals for low-cost cargo transportation systems to serve the Tiangong space station. Four proposals from 10 submissions were
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