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Wax motor

525 points · 107 comments · mhb

  1. palmotea · · focus · HN ↗
    If you want to see one in action, I found this: <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=sApyrDEXGAI" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=sApyrDEXGAI
    1. 7373737373 · · focus · HN ↗
      Here is a timelapse of one opening a greenhouse window as it gets warm: <a href="https:&#x2F;&#x2F;youtube.com&#x2F;watch?v=S-55VBYbbdo" rel="nofollow">https:&#x2F;&#x2F;youtube.com&#x2F;watch?v=S-55VBYbbdo
      1. MisterMunchkin · · focus · HN ↗
        That is such a good idea! Do people sell these as an actual product?
        1. Zanfa · · focus · HN ↗
          Yes. Most (even cheap-ish) greenhouse kits come with them, at least the ones I&#x27;ve seen around here.
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