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PBS Member Stations rely on viewers like you. To support your local station, go to: ↓ More info below ↓ We live in a universe with 3 dimensions of space and one of time. Up, down, left, right, forward, back, past, future. 3 1 dimensions. Or so our primitive Pleistocene-evolved brains find it useful to believe. And we cling to this intuition, even as physics shows us that this view of reality may be only a very narrow perception. One of the most startling possibilities is that our 3 1 dimensional universe may better described as resulting from a spacetime one dimension lower – like a hologram projected from a surface infinitely far away. Check out the new Space Time Merch Store! Support Space Time on Patreon Need a Refresher to Fully Understand the Holographic Principle? #holographicun
