The simulation hypothesis is the idea that we're living in a virtual world created by a simulator with simulation technology. The classic introduction of it is in the science fiction novel Simulochron 3, which was made into the movie World on a Wire and served as the basis for the Matrix 13th Floor. We tend to think we've learned something as soon as we've seen it once, but the harsh truth is that we forget pretty much everything unless we use it repeatedly. ThoughtSaver has some ready-made decks of flashcards across a wide range of topics so you can start making your own cards right now.

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