Boom Supersonic sans Sonic boom

Supersonic planes will burn significantly more fuel than current aircraft, resulting in higher emissions of carbon dioxide, ...
The scaled-down prototype, nicknamed the "Baby Boom", broke the sound barrier for the first time during a test flight over ...
Boom expects the airlines to be profitable at about $5,000 USD a seat, which of course is a high price tag, and the company ...
Instead, the Boeing 747 entered commercial service in 1970 ... They plan to fly their X-59 supersonic aircraft over US ...
Boom Supersonic’s XB-1 technology demonstrator broke the sound barrier three more times Monday morning in its final flight, ...