Wormholes A wormhole is a special class of solutions to the Einstein equations characterised by providing “shortcuts” in space-time. These shortcuts allow, at least theoretically, to pass from one region of space-time to another by […]
We have already built time machines We said in the previous post (Travelling through time (I)) that, according to Hawking, there are at least three possible ways to travel through time: 1. Getting close to […]
Literature and movies Time travel has been the subject of a great deal of literary, film and television work, from the famous “The Time Machine” by H.G. Wells (1985) to the recent series “El Ministerio […]
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