American firm Boom Supersonic’s XB-1 has once again reached supersonic speeds without producing an audible boom, following ...
Boom Supersonic’s XB-1 creates a sonic boom inaudible from the ground below when flying at the exact right speed and altitude ...
The flight was filmed and monitored by two different chase planes, a Dassault Mirage F1 fighter jet, and a Northrop T-38 ...
Supersonic planes will burn significantly more fuel than current aircraft, resulting in higher emissions of carbon dioxide, ...