Prepare to have your mind blown by this perpetual motion machine

Sure, this perpetual motion machine, based on Escher's Waterfall, is physically impossible to exist. But here it is! Would a YouTube video lie to you?

The tricks here probably lie in perspective and with a little bit of CGI editing. The track that the water slides down actually just goes back into the garage, while those posts holding it up aren't actually doing any holding. As for the water falling down? I'm guessing it's inserted digitally, but your guess is as good as mine.

Via Metafilter

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