2min chapter

Into the Impossible With Brian Keating cover image

Sir Roger Penrose Faith, Fantasy, and the Big Questions in Modern Physics (#324)

Into the Impossible With Brian Keating

CHAPTER

The Four Dimensions of Space Time

Leonard Susskind came up with the idea of a 26th dimension. But it only worked when the number of space dimensions was 25. So you have 22 dimensions extra, and where are they? Well, the idea is this sort of tied up in a little knot,. which is so small that it doesn't bother you.

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