Gregory L. Hansen wrote:

When I pull the hose from the nitrogen exhaust on my cryostat, chunks of
ice will fall on to the aluminum stand and as they melt they'll move side
to side, sometimes dancing back and forth quite rapidly until they're very
small compared to the puddle they're floating in.

Any ideas why they would dance?

It's probably not just ice, but has oxygen and CO2 in it too.
Not to mention acetylene, and all other sorts of traces.

--
http://inquisitor.i.am/ | | Ian Stirling.
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