A haunting glow, explosive sounds, and shaking homes: Witnesses recount Philly plane crash
PHILADELPHIA — Ash, smoke, and a chemical smell rained on Elizabeth Griffin in the parking lot of a Northeast Philadelphia T-Mobile store on Friday night. The 31-year-old had been in the store when ...
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 the Northeast Philadelphia T-Mobile on ...
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 ...
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 ...
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 ...
Boom XB-1 Achieves Supersonic Flight—First Time Since Concorde In 2003
Today a civil test airliner, Boom Technology’s XB-1, broke the sound barrier for the first time in two decades.
JSTOR Daily14 天
Analytical method for the out-of-plane buckling of the telescopic boom with guy cables
The guy cables can effectively improve the bearing capacity for the telescopic boom of the crane, while the introduction of tensioned cables makes the buckling analysis complicated. The primary ...
4029tv16 天
Plane crashes near Bentonville Municipal Airport in Northwest Arkansas
THIS IS A CORNER OF I STREET AND 14TH. TAKE A LOOK. THIS IS WHERE THE PLANE CAME DOWN. WE ACTUALLY JUST FINISHED TALKING TO THE FATHER OF ONE OF THE PEOPLE THAT WAS IN THE PLANE. ONE OF THE ...