In the last few days, I’ve heard a few stations in countries I hadn’t seen before, like Guatamala, Brazil, and Portugal. Here’s my updated map:
Daily Archives: 5/10/2009
Happy (Birthday to Me|Mother’s Day)!
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.