DefenseBoom Supersonic's XB-1 Smashes Speed Record—Near the Speed of Sound Boom Supersonic's XB-1 hits a new speed milestone of 629 mph, bringing it closer to breaking the sound barrier—setting the stage for future supersonic flights.by Jose Enrico
TechGermany's H2FLY Completes World's First Piloted Flight of Liquid Hydrogen-Powered Electric Aircraftby Jace Dela Cruz