What is a Ruhmkorff coil you say?

At Wednesday’s TAG meeting, Larry McDavid showed off a Ruhmkorff coil, which is a very cool (well, actually plasma is quite hot) piece of antique physics demonstration equipment. You’ll be shocked to know that a good time was had by all. You can read a bit more about this device in Larry’s article in the March 2018 issue of Smoke Signals.


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