US Navy is developing GPS that uses cosmic rays to navigate the Arctic

At higher latitudes, traditional GPS navigation is not reliable, but muons produced when cosmic rays hit Earth’s atmosphere could be used to navigate in the Arctic, as well as underground or in the water Technology 7 December 2021 By David Hambling An artist’s representation of high-energy cosmic rays colliding with Earth MARK GARLICK/SCIENCE PHOTO LIBRARY/Alamy …

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A US military robot ship has fired a large missile for the first time

By David Hambling The uncrewed USV Ranger Department of Defense/Twitter The US Department of Defense has released footage of an uncrewed ship firing a large missile, in a demonstration of its Ghost Fleet Overlord programme, an initiative to develop robot vessels that can operate alongside crewed warships. Previous Ghost Fleet operations have focused on endurance …

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