I've always known that the human brain is *way* too eager to find patterns in random noise.

But there's something about watching my brain automatically attempting to construct meaning out of random program output – output that I *know* is random because I wrote the program! – that really drives that point home.

@wizzwizz4 @codesections wouldn’t that be either because:

* of rounding?
* your random numbers generator is not that random when three numbers in a row are taken as coordinates?

@Crocmagnon @codesections This instance is the second. But people were using that pseudo-random number generator for years without knowing it was completely useless for anything involving three dimensions.

@ashwinvis the pseudo random number generator (PRNG) used for the GIF is described here :

And one possible analysis on a PRNG is the « spectral test » that you can apply on two or more dimensions, see

@wizzwizz4 @codesections

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