Dry ice changing phases. Credits to NileRed.
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Previously:
https://www.homemadetools.net/forum/...852#post202389
https://www.homemadetools.net/forum/...414#post200550
https://www.homemadetools.net/forum/...083#post203266
https://www.homemadetools.net/forum/...672#post190053
https://www.homemadetools.net/forum/...815#post190621