Tag Archives: Schwarzschild spacetime

The mathematics behind a “wormhole”

Let me tell you something that will sound ridiculous at first. Take a piece of paper. Draw a dot on the left and a dot on the right. The shortest path between them, if you are a little ant walking … Continue reading

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How many solutions of Einstein’s equations are there?

How many solutions does the most beautiful equation in physics have? More than you’d think… probably infinitely many, and most of them will never have names. Continue reading

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