Are we living in a simulation? Do we only exist in a computer? It"s a troubling question, and one we have only truly started to grapple with recently.
Some say it is almost certain we live in a simulation, because there can only be one reality but it could be running hundreds or thousands of simulations. Maybe even billions. That immediately makes the odds billions to one against living in the real universe.
On top of that there may even be simulations within simulations. In that case the odds of the reality we inhabit not being a simulation seem to be vanishingly small.
Others believe it would be impossible to actually simulate a universe. They say doing so would require more processing power than could be achieved even if you turned an entire universe into a computer.
And many s
