Communications of the ACM
Are We Living in a Computer Simulation, and Can We Hack It?
The ability to rewind and undo a regrettable remark could have its benefits.
Credit: Jon Han
If you could change the laws of nature, what would you change?
Maybe it's that pesky speed-of-light limit on cosmic travel — not to mention war, pestilence and the eventual asteroid that has Earth's name on it. Maybe you would like the ability to go back in time — to tell your teenage self how to deal with your parents, or to buy Google stock. Couldn't the universe use a few improvements?
That was the question that David Peterson, a computer scientist, SETI enthusiast of the Search for Extraterrestrial Intelligence (SETI), musician and mathematician at the University of California, Berkeley, recently asked his colleagues and friends.
From The New York Times
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