TURNING A WORMHOLE INTO A TIME MACHINE

Take a piece of paper and imagine that it’s a two-dimensional representation of our universe. To travel from one end to the other would take a long time, so imagine if it was possible to take a shortcut that folds space. If you bend the paper so the two opposite ends are now touching, you can hop a short distance to reach it. The idea is that a wormhole would act like a bridge. Now imagine that the paper doesn’t just represent space, but also time. This means a wormhole can also connect two time periods. This diagram illustrates exactly how this could be possible. 1 Enlarging the mouth To enlarge the mouth, you would need exotic matter – in other words something with negative energy to act as an…

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All About Space Annual (Digital) - 1 Issue, All About Space Annual (2024)

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