A haunting glow, explosive sounds, and shaking homes: Witnesses recount Philly plane crash
Ash, smoke, and a chemical smell rained on Elizabeth Griffin in the parking lot of a Northeast Philadelphia T-Mobile store on ...
A haunting glow, explosive sounds, and shaking homes: Witnesses recount Northeast Philly ...
Ash, smoke, and a chemical smell rained on Elizabeth Griffin in the parking lot of a Northeast Philadelphia T-Mobile store on ...
Malaysia Sun15 小时
Boom Supersonic's XB-1 aircraft breaks sound barrier in California
This week, a sleek white jet became the first privately built aircraft to fly faster than sound, soaring high above the Mojave Desert as a crowd watched in excitement ...
Earthquake sensors could help track a different threat: Falling space debris
As more spacecraft are launched, the risk increases that uncontrolled space debris - those without active guidance - will ...
Independently funded jet's sound barrier mark revives talk of commercial supersonic travel
An aircraft developed by Boom Supersonic has become the first independently funded jet to break the sound barrier ...
First independently developed jet breaks the sound barrier over the California desert
The XB-1 aircraft accelerated to Mach 1.05 within about 11 minutes of taking off, according to Boom Supersonic and live video ...