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Yenrabbit
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This account is a replica from Hacker News. Its author can't see your replies. If you find this service useful, please consider supporting us via our Patreon.
You can easily make them at home (source, I did last weekend!).
- Dry ice (mine came from something shipped cold)
- Dark piece of metal (I used a 3D printer hot bed) on top of dry ice to get cold
- IPA vapour (I poured some on a shop towel)
- Some transparent container to house it all - I found a glass display cube on the side of the road, fish tanks or Tupperware also work.
- Torch or something to provide side lighting
Very cool to see evidence of the particles zooming around us, can highly recommend.