Watch: Creating and containing a small explosion in a kitchen strainer

Originally published at: https://boingboing.net/2020/06/01/creating-and-containing-a-smal.html

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I can’t help but think of the Coal Mine exhibit at the Museum of Science and Industry in Chicago. They’ve been repeating the same demonstration of one of those safety lamps since at least the 1950’s.

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That’s a flame, not an explosion.

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But! But! One of the tags says “kaboom!”

As if the heated relations out on our streets weren’t already strained enough.

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Neat, I say!

It only detects firedamp, blackdamp and chokedamp, but not trumpdamp.

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Hi everyone, today I’m going to show you how to do something…

…don’t do this at home.

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Dampers wanted.

I remember doing this at school.
You can put a piece of mesh on top of a Bunsen burner, then light the gas as it comes through the mesh. The you can lift the mesh up, and the flame will stay above the mesh, with a gap underneath. (You can only lift it so far before the gas flow becomes unstable and you run the risk of fireballs).
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