Stirling engine charger
https://video.nostr.build/bba4b17c86fdfebc533e4505e5040a3b0bdb25f5469fd12dd81abcc99e74ebc8.mp4
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Very cool. I wonder if I can use that while on a flight.
https://de.aliexpress.com/item/1005005209961633.html?gps-id=platformRecommendH5&_t=gps-id:platformRecommendH5,scm-url:1007.18499.315613.0,pvid:fb41108f-9be4-4264-924f-3c947f7d654c,tpp_buckets:668%232846%238112%231997
