Craig Beals was inspired in Yellowstone National Park at Old Faithful Geyser to make a demonstration to show how a geyser works. But, instead of using super-heated water, like in a geyser, he uses liquid nitrogen. Liquid nitrogen boils at room temperature so it builds up the pressure in a sealed bottle and escapes through the tube - shooting liquid nitrogen into the air.
Full instructions can be found at https://www.bealsscience.com/single-post/2017/02/27/Liquid-Nitrogen-Geyser---Simulating-Old-Faithful-in-Yellowstone-National-Park
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This video is only for entertainment purposes. If you rely on the information outlined in this video, you assume responsibility for the results. As with any experiment, proceed at your own risk.
THINGAMAJIG by Jason Shaw - CC 3.0 USA
Yellowstone National Park video:
National Park Service - Public Domain
(FYI: I was unable to use my video of snowmobiling in Yellowstone because I don't have a commercial video permit to film for commercial purposes. So, I did the next best thing - I used videos from the National Park Service's Public Domain archive to show Old Faithful instead.)