‘If time travel is possible, where are the tourists from the future?’ Stephen Hawking asked in A Brief History Of Time. Ronald Mallett, 69, is a respected theoretical physicist at the University of ...

Ronald Mallett’s 70-year-long obsession with time travel was borne out of tragedy, but also out of love. A theoretical physicist originally from the Bronx, Mallett was always a curious kid, and ...

Now this is something quite unique. How to Build a Time Machine is a documentary that follows two different men as they set out on a journey to build their own time machines.

Travelling in time might sound like fantasy, but some physicists think it might really be possible.

This would pave the way for more autonomous factories, intelligent robots, and real-time quality control systems, all operating with reduced energy consumption and greater efficiency.