http://workshop.dernulleffekt.de/ 2026-04-29T12:54:52+00:00 http://workshop.dernulleffekt.de/ http://workshop.dernulleffekt.de/lib/tpl/writr/images/favicon.ico text/html 2020-02-06T23:16:31+00:00 Anonymous (anonymous@undisclosed.example.com) http://workshop.dernulleffekt.de/doku.php?id=hand-crank_opp_feb2019:infos&rev=1581027391&do=diff Hand-Crank Energy Harvester a workshop by Wolfgang Spahn What is the easiest way to produce electric energy? How could we generate enough to light up the night? Energy harvesting is the name for the industrial process to generate small amount of energy with solar power, thermal energy, wind energy or kinetic energy. Normally that technology is used for small, wireless autonomous high tech devices. But we can use that technology for our daily live, too? text/html 2019-02-23T17:36:19+00:00 Anonymous (anonymous@undisclosed.example.com) http://workshop.dernulleffekt.de/doku.php?id=hand-crank_opp_feb2019:material&rev=1550939779&do=diff Hand-Crank Energy Harvester a workshop by Wolfgang Spahn ---------- Energy Transformation ---------- Schematic ----------