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How do you make liquid hydrogen?

Paper Trader:

To exist as a liquid, H2 must be pressurised and cooled to a very low temperature, 20.27 K (−423.17 °F/−252.87°C)[citation needed]. One common method of obtaining liquid hydrogen involves a compressor resembling a jet engine in both appearance and principle.

Paper Trader:

it's a pretty outfit you're wearing. Do the heels come with it?


No does a dress come with those stillketos you have?

Paper Trader:

Why, yes! But I usually only wear them on Friday :S


You are so gay.:D


You've got to get it real cold, something like -200

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