Science & Futurism with Isaac Arthur cover image

Higher Dimensional Aliens

Science & Futurism with Isaac Arthur

00:00

The Evolution of Life in a 3D Universe

In Stephen Baxter's novel Araft, we see a group of humans that accidentally enter an alternate universe. There are no planets because they'd instantly collapse into black holes. The alternative is that we already live as a paper equivalent in a 4D universe. We don't really know from a science perspective what the odds were of life evolving under different physical constants or dimensions.

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