The letter arrived in a way I had almost forgotten letters could — without sound, without warning, resting on the table as though it had always been there. I don’t mean this poetically. I truly believe I might have placed it there myself and then failed to remember doing so, which is something that happens
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Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy. You may unsubscribe at any time. Generating a sonic
NASA is asking U.S.-based collegiate teams to submit bold, original concepts to the 2027 edition of a student challenge focused on aerospace innovation that could help the agency envision a future on the Moon shaped by new technology. The latest NASA Revolutionary Aerospace Systems Concepts – Academic Linkage (RASC-AL) competition invites student teams to explore new operations paradigms and advance the technologies needed to