How to go supersonic without a boom
AS2 is a supersonic business jet

Breaking down the AS2 business jet Aerion Corporation Aerion Corporation AS2 The Aerion Corporation's AS2 is a supersonic business jet. Until its retirement 13 years ago, the supersonic Concorde was plagued by two major problems: inefficiency and noise (the sonic booms it produced got it banned from over-land cruising). Now, heavyweights like Virgin and Airbus are…