HackerTube / Video
Why all solar panels are secretly LEDs (and all LEDs are secretly solar panels)
Steve Mould

Steve Mould shows that LEDs and solar panels are both diodes made from semiconductors, so a solar panel can emit light and an LED can generate electricity. He demonstrates a small solar panel lighting up.
Cited as a neat demonstration that diodes work in both directions in semiconductor and LED discussions.
3 Hacker News mentions · 2022–2024