DIY Particle Detector
If you want another fun particle detector project, you can build a cloud chamber with some dry ice and an old fish tank: <a href="https://www.symmetrymagazine.org/article/january-2015/how-to-build-your-own-particle-detector" rel="nofollow">https://www.symmetrymagazine.org/article/january-2015/how-to...</a>