The race to build the world’s quickest drone has shifted from labs and defense contractors to garages and hobby benches, and ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. A father-and-son team recently set a new Guinness World Record for ...

As the war grinds on, sophisticated Russian defenses have pushed Ukraine to develop a frightening new weapon: semiautonomous ...