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#232 – Brian Greene: Quantum Gravity, Big Bang, Aliens, Life, Death, and Meaning
Lex Fridman Podcast
Is the Four-Dimensional Reality Real?
strength theory suggests that extra dimensions are as real as the three we see around us. But their shape and size differs from those seen through human experience. One approach imagines they're tightly coiled up, curled together into a beautiful geometrical form. This is too small for us to detect with our eyes, but it leaves an imprint in world we do have access to.
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