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A 2mm micro-bearing ring that spins like a real fidget spinner

My motivation was pretty simple: every “spinning ring” I tried felt a bit fake.

news.ycombinator.com 방문외부 사이트

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  1. I engineered a 2mm micro-bearing D20 ring that free-spin for 20 seconds

    news.ycombinator.com

    Over the past few months I’ve been experimenting with how small a functional bearing-based mechanism can get while still feeling smooth, durable, and useful.

    Hacker News23점

  2. I built Hispi

    hispi.app

    an app to design custom jewellery

    Hacker News15점

  3. I built a hardware quantum RNG and wired it into a Magic 8-Ball

    dnhkng.github.io

    ML, Biotech, Hardware, and Coordination Problems. Sometimes I write about hard problems and how to solve them.

    Hacker News13점

  4. I also made a three-body simulation

    three-bodies.sulami.xyz

    Somewhat inspired by a recent post here, I also made a three-body simulation on a whim, meaning to try out macroquad[0] (verdict: really nice!).

    Hacker News12점

  5. ConfettiTherapy.com

    twitter.com

    I built it to get rid of stress and relax

    Hacker News8점