Boom Supersonic sans Sonic boom

The sound from the fighter jet is trapped inside its shock wave ... In the early 1970s, sonic boom concerns led the ...
Supersonic planes will burn significantly more fuel than current aircraft, resulting in higher emissions of carbon dioxide, ...
Boom Supersonic’s XB-1 has broken the sound barrier, paving the way for faster commercial flights if future tests succeed.
SpaceX chief and now US government special advisor Elon Musk says the current administration may scrap regulations ...