spacetime must organise itself in a way that maximises entropy
April 1, 2010 8:18 PM Subscribe
Gravity from Quantum Information At the heart of their idea is the tricky question of what happens to information when it enters a black hole. Physicists have puzzled over this for decades with little consensus. But one thing they agree on is Landauer's principle: that erasing a bit of quantum information always increases the entropy of the Universe by a certain small amount and requires a specific amount of energy.
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