geiger counters

iPhone Geiger Counter Module

iPhone Geiger Counter Module

Rick Pannen designed the case for his iPhone-mountable Geiger counter in FreeCAD, milled it out of a solid block of polyoxymethylene (aka “acetal”), and loaded it with a custom-milled PCB and a surplus SI-29BG Russian Geiger-Müller tube from eBay. The circuit itself was designed by BroHogan of DIYGeigerCounter, and it interfaces with the phone through […]

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In the Maker Shed: Geiger Counter Kit

In the Maker Shed: Geiger Counter Kit

This Geiger Counter Kit, available in the Maker Shed, is one of my favorite kits. I’ve wanted a Geiger Counter for a long time but could never justify spending a couple hundred dollars for a commercial unit. When this one came along I knew I had to have it!

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New in the Maker Shed: Alpha Particle Detecting Geiger Counter Kit

New in the Maker Shed: Alpha Particle Detecting Geiger Counter Kit

Why spend $400+ on a Geiger Counter when you can build your own for a fraction of the price? This new Geiger Counter Kit, available in the Maker Shed, was featured in MAKE: Volume 29 and is able to detect α(alpha), β(beta) and γ(gamma) radiation using the included GMT-01 tube.

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How-To: Hack a Surplus Plutonium Probe for Military-Grade Gamma Ray Detection

How-To: Hack a Surplus Plutonium Probe for Military-Grade Gamma Ray Detection

The late unpleasantness in Japan has recently focused our attention on homemade radiation detectors. These are often lumped together under the term “Geiger counter,” but in fact there is more than one way to skin that particular cat. A “Geiger counter,” formally, is a radation-sensitive instrument that uses a Geiger-Müller tube to detect the tiny […]

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Geiger Counter Tree Lights Respond to Radiation

Geiger Counter Tree Lights Respond to Radiation

I will spare you the obligatory “nuclear family Christmas” joke. From British artist Nikki Pugh.

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