How to build and operate a simple mass spectrometer. Please ask questions in the comments, as always. (I had to reupload this video to fix the ending I'm very sorry if your early comments were lost!)

Scientific American article: https://www.scientificamerican.com/ar... $7.99 is a good value for the entire back issue in plain PDF format, and an example of a publisher being reasonable. I'm happy to support this.

Original Dewdney paper: https://scihub.tw/https://doi.org/10...


https://en.wikipedia.org/wiki/Isotope...
https://en.wikipedia.org/wiki/Ionizat...
https://en.wikipedia.org/wiki/Thermal...
https://en.wikipedia.org/wiki/Gyroradius

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