ProdigalFrogMA to MealtimeVideos@lemmy.worldEnglish · 2 months agoCandle-Powered LED Lantern: an Exercise in Conversion Efficiency | Our Own Devices [14:51]www.youtube.comexternal-linkmessage-square0fedilinkarrow-up14arrow-down10
arrow-up14arrow-down1external-linkCandle-Powered LED Lantern: an Exercise in Conversion Efficiency | Our Own Devices [14:51]www.youtube.comProdigalFrogMA to MealtimeVideos@lemmy.worldEnglish · 2 months agomessage-square0fedilink