Many people in the UK view electric scooters as a public-safety risk and have long called for a ban. But the arrival of…
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The Guinness World Records entry covers the fastest battery-powered, remote-controlled drone. After months of trial and error, the amateur remote-controlled drone Peregrine 2, built by Luke and Mike Bell, finally…
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Timing a runner is easy: time when they start and when they cross the finish-line tape. But how do you measure a bird’s flight speed? A method for measuring flight…
