Post #4028362

2026-07-22 16:41 UTC

Mechanical light bulb from 1675 [video] L: https://www.youtube.com/watch?v=0Y-9GbsS9Fg C: https://news.ycombinator.com/item?id=48913145 posted on 2026.07.14 at 17:26:36 (c=1, p=8)

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