Seth Lloyd Quotes
[With quantum computers] you can calculate how many bits are in the universe, how much energy it takes to flip them, how much energy exists, and use that to rule out lots of things about the universe's history. Anything that takes more bit flips couldn't have happened.
Citations
Lloyd, Seth. Programming the Universe: A Quantum Computer Scientist Takes on the Cosmos. Knopf, 2006.
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Seth Lloyd is a professor of mechanical engineering and physics at the Massachusetts Institute of Technology.