An active area of research in physics in the early 1900s was the attempt to develop instruments to detect and count various types of radiation. Since radiation cannot be discerned by any of the human senses unaided, such devices were essential to any...

Also known as a Geiger– Müller counter, an electronic instrument used to detect the presence of high-energy radiation particles. The device comprises a single wire held at a high positive voltage surrounded by a gas such as argon, the whole...

A Geiger counter, also called a Geiger-Müller counter, is a type of particle detector that measures ionizing...

This month, we will build an inexpensive Geiger counter. Geiger counters are instruments that can detect and measure radioactivity. H. Geiger and E. W Muller invented the Geiger counter (properly named the "GeigerMuller counter") in 1928. With a Geiger counter, you can...

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A member of one of Texas' oldest ranching families has locked horns with an oil company in a bizarre dispute involving pet rhinos, steel pipe and allegations of radiation poisoning and a corporate vendetta.Rancher Jimmy McAllen, the 10th generation of his family to work the...

Geiger counters were a hot item in this small town a half century ago. Nearly every business, including the pool hall, sold the instruments to wannabe uranium prospectors."People weren't worried about it then because they had no idea what it was," said Barbara Thompson, a...