Ionisation Chamber Radiation Detector from VK2ZAY

Alan, VK2ZAY, has a really nice blog with all sorts of interesting experiments. Today’s fun installment was a radiation detector that’s just about as simple as can be imagined, ao aimple and inexpensive that I am pondering the possibility of using a similar circuit as part of a sensor for a balloon launch. Very cool:

Alan Yates’ Laboratory – Ionisation Chamber Radiation Detector

It also made me realize that I didn’t understand how a common smoke detector (which I know includes Americium, but little else) actually worked. Wikipedia of course comes to the rescue, and tells me the basic idea.

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