You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. One of the hottest money-saving travel hacks right now only works because of bad math on the airlines' ...

A supersonic business jet (SSBJ) with a variable geometry wing could land on short runways and fly 6,000ft (1,830m) lower than a fixed-wing SSBJ, says a European study. As well as the lower altitude ...

Gulfstream's proposed supersonic business jet has evolved into a variable-geometry design as the company tries to satisfy requirements for take-off distance, airport noise, subsonic range, supersonic ...