‘If time travel is possible, where are the tourists from the future?’ Stephen Hawking asked in A Brief History Of Time. But one scientist believes that time travel is possible - and he has the design ...

Travelling in time might sound like a flight of fancy, but some physicists think it might really be possible. BBC Horizon looked at some of the most promising ideas for turning this staple of science ...

18:15, Fri, Oct 14, 2016 Updated: 18:23, Fri, Oct 14, 2016 Ronald Mallett, a theoretical physicist from the University of Connecticut, believes that laser lights are the key to time travel. A machine ...

Can a ‘tunnel’ of laser light really receive messages from the future? And if so, what will the people from the future tell us? Ronald Mallett, 69, believes his design for a ‘tunnel’ of laser light ...