Tag Archives for: "liquid nitrogen"

Show Me Some Science! Magnetic Braking

A magnet is dropped on a cold block of copper and all sorts of awesome science ensues.

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Show Me Some Science: Balloon Buoyancy

There’s nothing intrinsically “floaty” about helium. You can make a helium balloon that sinks, if it’s cold enough, as we see in this video.

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Show Me Some Science! Liquid Oxygen Flaming Pretzels

Liquid oxygen is collected on a pretzel, and when lit it burns like a Roman Candle!

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