Comment on Simple new engine sucks power from the night sky
slazer2au@lemmy.world 1 day ago
The upshot is that this arrangement allowed the engine to produce 400 milliwatts of power per square meter
Right… And solar is 150-300 watts. While a neat poc it likely won’t go anywhere.
unexposedhazard@discuss.tchncs.de 1 day ago
This is enough to keep something like an ESP32 running throughout the night, but it would be way easier to just add a little battery instead.