We all have strong convictions about space and time. Mine were stunned by the holographic principle. But I soon realized that this result fits well with ITP, which says that spacetime, as you perceive it, is like the desktop of an interface. If you look through a magnifying glass at the desktop of your computer, you’ll see millions of pixels—the smallest patches of the desktop that are possible. Smaller than that, the desktop simply doesn’t exist. Step back, and it looks like a continuous surface. If you play a video game on your computer, such as Doom or Uncharted, you see compelling 3D
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