https://tube.loping.net/videos/watch/8031cdd0-a806-423e-982a-f5b62923feb1 This liquid nitrogen generator uses a Stirling-cycle cryocooler that was pulled from a cellular phone tower. It was used to cool a superconducting RF filter that aids cell communications. The cryocooler is able to pump enough heat away from its cold end that air will liquify and drip into a vacuum flask for storage. Jeri's video at Maker Faire 2010: https://www.youtube.com/watch?v=14B8LynojI4 Blog post with more construction details: http://benkrasnow.blogspot.com/2008/08/diy-liquid-nitrogen-generator.html Sun, 12 Jul 2026 12:14:46 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://tube.loping.net https://tube.loping.net/lazy-static/avatars/8a56e488-2120-4649-a417-badf5893657b.png https://tube.loping.net/videos/watch/8031cdd0-a806-423e-982a-f5b62923feb1 All rights reserved, unless otherwise specified in the terms specified at https://tube.loping.net/about and potential licenses granted by each content's rightholder.