> Wormholes and flying cars are “crackpot stuff.” Umm, wormholes maybe. Flying cars have existed for the better part of a century. The fact that nobody has suc

> Wormholes and flying cars are “crackpot stuff.” Umm, wormholes maybe. Flying cars have existed for the better part of a century. The fact that nobody has successfully brought one to market yet means that you and I don't have them. But humanity certainly does. https://en.m.wikipedia.org/wiki/Flying_car https://en.m.wikipedia.org/wiki/Flying_car