Boom Supersonic sans Sonic boom

Two weeks ago, Boom Supersonic’s XB-1 demonstrator plane made history when it broke the sound barrier over the continental ...
Boom Supersonic plans to build the world’s fastest airliner, Overture, and this week announced a breakthrough in the ...
Boom hopes its breakthrough will allow supersonic flights over land, making US coast-to-coast flights 90 minutes faster.
(Photo by John Keeble/Getty Images) In the meantime as with Concorde, the XB-1 test model can’t fly supersonic over land in the U.S. because of the powerful sonic boom. Today’s test over ...