Supersonic shock tests reveal that metals weaken under extreme speeds
US scientists have debunked a 70-year-old physics law that has long guided how engineers make metals stronger, after…
NASA Captured a Supersonic Jet Breaking the Sound Barrier and the Image Is Unreal
 Schlieren photography showing air flow around the Boom Supersonic’s XB-1. Credit: NASA/Boom Supersonic. On February 10, in the…