Mechanical circuits: electronics without electricity

Steve Mould1 HN recommender · recommended in 1 month, 2022–2024

YouTube

explainer · general · evergreen · 2022–2024 on HN

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 comments from Hacker News

@gtm12602023-01 · in “Ask HN: Alternatives to Scratch for a blind child?”

I saw the code jumper tech at a conference once, it was actually really thoughtfully done, I had no idea it cost 1k though! One other option I've seen is this Spintronics platform: link I first saw it on Steve Mould's youtube channel, they're basically mechanical circuits and it looks super cool. ▶ this video

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@aziis982024-12 · in “Against the Hydraulic Analogy”

Related video by Steve Mould about "Spintronics" [1] Mechanical circuits: electronics without electricity ▶ this video [1]: link

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@elil172022-12 · in “Making a Traversable Wormhole with a Quantum Computer”

>By studying this quantum theory on the processor, we are able to... probe the dynamics of a quantum system equivalent to a wormhole in a model of gravity. Not a real wormhole, but rather a model of a wormhole which they say has the same dynamics. A bit like this if I'm not mistaken: ▶ this video

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