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DIY liquid nitrogen generator

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DIY liquid nitrogen generator

ln2_generator.jpg

One of the more intriguing exhibits at this year’s Maker Faire Bay Area was Ben Krasnow’s liquid nitrogen generator rig. Ben built the entire assembly, for under $500, with parts he scrounged (over a year) on eBay.

In this video, shot at the Faire, intrepid reporter Circuit Girl, aka Jeri Ellsworth, interviews Ben. We apologize for the loud ambient noise and the gonging robo-Gamelan next door. Hopefully between the video, the above illo, and Ben’s blog posting, you can get the gist of his set-up.

(And yes LN2 can expand with explosive force and can burn living tissue. All sensible cautions apply.)

DIY liquid nitrogen generator

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Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor to Boing Boing, Wink Books, and Wink Fun. His free weekly-ish maker tips newsletter can be found at garstipsandtools.com.

View more articles by Gareth Branwyn
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