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Donald Hoffman: "Spacetime is not fundamental. This is not the final reality. We are just observing this reality through a VR headset" At the Planck scale, spacetime falls apart. No operational meaning to distances or time below about 10^-33 cm and 10^-43 seconds. Physicists like Nima Arkani-Hamed and David... show more
30,036 views • 3 months ago •via X (Twitter)
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Eric Weinstein just nuked our current understanding of physics: "Spacetime is for Pussies" 😱 The new physics are Boom, Vroom & Zoom" “There is no realistic way out of the escape room that is our solar system.” Too many of us on one sphere. The problem is not land. It is the atmosphere. Pathogens, radiation, and pollution do not respect borders, and we still have no working property rights in the sky. There is no good nearby terrestrial surface. Two hostile options at best. The nearest star is four light years away. If you think in spacetime terms, you are not going there. There are no generation ships. You are not uploading to silica. You are not re evolving from tardigrades. “All that stuff is just dumb.” Wormholes and 0.99c are a dead conversation. “Nobody’s excited anymore.” “Elon was never going to Mars. That didn’t make any sense in his lifetime.” People cannot think outside the wormhole and 0.99c box because Einstein sits in the head as the boss. “Just think of him as the jailer and you’ve got to make a jailbreak.” Spacetime is probably not what you want to engineer. You want the successor to spacetime. After Los Alamos, physics may not be safe to do in the open. Quantum gravity, string theory, and M theory are what he calls Nerf physics: Not Even Remotely Physics. Safe enough to share with rivals. The culmination of human theory about base reality “stagnated abruptly and mysteriously in 1973” at the Einstein Hilbert Lagrangian. Otherwise, he says, “we’re going to die here in short order.” The toys are too good. Thermonuclear weapons have not been used in anger since 1952. That streak will not last forever. The puzzle is not a faster rocket. It is reconceptualizing what we have wrong.
Interstellar
67,328 views • 24 days ago
