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Over the years, we've seen bike lights/turn indicators incorporated into wearables such as helmets, backpacks, gloves and jackets. The Flasher system takes yet another approach, by fastening the things around your arms.Designed by an Austrian startup of the same name, Flasher simply consists of two snap-on one-size-fits-most armbands. Each band contains a total of 24 Cree LEDs located both in the articulated silicone cuffs, and the front and back of the main rigid module. Users press a center button on that module to…

AURORA, Colo.—Ukrainian forces hunting Russian tanks and tracking troop movement are being aided by imagery from a growing number of commercial spy satellites, giving Kyiv access to intelligence once the domain of only a few governments.Russian President Vladimir Putin’s attack on his neighbor has coincided with a boom in the number and sophistication of commercial surveillance satellites, with hundreds now in orbit. Company officials say they are streaming data to the U.S. and allied governments, sometimes directly to…

Back in 2016, Dutch submersible builder U-Boat Worx revealed a double-bubble tourist vessel named the Cruise Sub that could take up to nine people deep below the ocean waves. Now the company has unveiled an all-acrylic sibling with a single egg-shaped observation window.The flagship Nexus series is made up of two models – one able to accommodate eight passengers (though that would include two children) and one pilot and the other managing a total of seven occupants. Each features an extra large elliptical pressure hull…