HackerTube / Video
Mechanical circuits: electronics without electricity
Steve Mould
Steve Mould shows Spintronics, a set of mechanical components such as resistors, capacitors and transistors linked by chains, that give an intuitive feel for how electrical circuits work.
HN suggests it as a vivid, hands-on way to understand circuits, including for a blind child learning to program.
3 Hacker News mentions · 2022–2024