Time travel and the endless summer holiday

If you are suffering post-holiday blues, take solace from news that time travel is possible - or at least it might be in the future.

Speaking at the British Science Festival this week, professor Brian Cox revealed that it would be theoretically possible to build a working time machine; the perfect way to fast-forward through the gloom of winter and emerge on the eve of your next summer holiday.

According to Einstein’s Special Relativity, an object frees itself of the confines of time as it approaches the speed of light.

"If you go fast, your clock runs slow relative to people who are still. As you approach the speed of light, your clock runs so slow you could come back 10,000 years in the future," said Prof Cox.

On the question of whether it would be feasible to travel back in time, Prof Cox was more guarded.

"In General Relativity, you can do it in principle. It’s to do with building these things called wormholes; shortcuts through space and time. But most physicists doubt it.," he explained.

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