Ever since Einstein showed it was theoretically possible, the quest to travel through time has drawn eccentric amateurs and brilliant scientists in almost equal numbers. The amateurs include Aage Nost, who demonstrates his time machine in front of the cameras. The professionals include the likes of Professor Frank Tipler of Tulane University. His time machine sounds good – but it would weigh half the mass of the galaxy.
drugs latin america environmental global music video mini-documentary music Channel 4 live food big business band History Channel economics HD war ruins nature india china art antiquities middle east BBC PBS africa archaeology national geographic short-clips news science architecture east asia us asia technology biography europe politics evolution travel race/ethnic relations southeast asia documentary beliefs history rock south asia human uk
The Science of Discovery