https://tube.loping.net/videos/watch/9f5b9b10-b192-4e87-bb1a-3ab6514f1415 This vintage electrical meter is incredibly sensitive, and latches relay contacts with just 18 nanowatts! Link to old Weston advertisement from 1950's: https://pdfs.semanticscholar.org/7efe/c1a814298b121ecf67947183d3630db7f3b0.pdf https://www.patreon.com/AppliedScience Sun, 12 Jul 2026 13:17:23 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/9f5b9b10-b192-4e87-bb1a-3ab6514f1415 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.