YouTube Saturday - How To Build a Timemachine!

Time travel is more than just science fiction: it technically could be possible according to the laws of physics. However, building a time machine would likely be difficult and require technology that doesn't currently exist. The animation below, produced by New Scientist, looks at how to build a time machine and the perplexing implications of such a feat. To find out why time machines haven't been invented yet click here to read a previous Frog Blog post.

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