Boom Supersonic, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for ...

Boom Supersonic's ambitions remain high ... Back in the 1960s, Concorde was developed in wind tunnels, which meant building costly physical models, running tests, then repeating.

Boom Supersonic’s ambitions remain high ... Back in the 1960s, Concorde was developed in wind tunnels, which meant building costly physical models, running tests, then repeating.

Boom Supersonic, the American company building ... Back in the 1960s, Concorde was developed in wind tunnels, which meant building costly physical models, running tests, then repeating.