More Cloud Chamber traces. April 26, 2024

[@M0UAW_IO83]

It strikes me that you don't need dry ice for a cloud chamber, some stacked Peltier devices might get you cool enough.

[@soldersmoke]

Sure, there are lots of ways of doing this. The Scientific American book outlines a number of them. But the simplest, easiest, and quickest way to get the low temperature needed is to buy a chunk of dry ice at the supermarket. 73 Bill