Check Out Video of Potato Gun Firing at 20,000 Frames Per Second — at Night: ‘Was That Cool or What?’

From the folks at “Smarter Every Day,” here’s an episode featuring some potato gun experiments — with a transparent model videotaped at night.

The clip gives the lowdown on the combustion science and all — fuel and oxygen mixtures, “sidewall cooling,” venting, etc. — but the best parts (obviously) are when our host shows the potato gun firing in slow motion courtesy of his high-speed camera: ”Just pure, awesome footage.”

That and his high-pitched cackle after every shot.

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