In an experiment, one tube produced 440 microwatts. When the researchers used four tubes at once, they could power 12 LEDs for 20 seconds.
In an experiment, one tube produced 440 microwatts. When the researchers used four tubes at once, they could power 12 LEDs for 20 seconds.
https://en.wikipedia.org/wiki/Triboelectric_effect#Liquids_and_gases
Since triboelectricity requires asperities, I would guess the interiors of such containers are smoothed out. It’s also not unheard of for fuel containers to spontaneously explode when they fall, and movies that often happens when they smash against the ground.
Huh. TIL. Neat!