How Can You Tell If A Rock Is Radioactive? Radioactive minerals can be identified with special instruments that detect radiation. The device used to measure this is the Geiger counter. Electric charges develop in a Geiger counter when it is placed near radioactive material; this can measure the presence and intensity of radiation. What type
What Produces Gamma Rays On Earth? They are produced by the hottest and most energetic objects in the universe, such as neutron stars and pulsars, supernova explosions, and regions around black holes. On Earth, gamma waves are generated by nuclear explosions, lightning, and the less dramatic activity of radioactive decay. What elements produce gamma rays?
Do Bananas Give Off Radiation? Do bananas give off radiation? Bananas have naturally high-levels of potassium and a small fraction of all potassium is radioactive. Each banana can emit . 01 millirem (0.1 microsieverts) of radiation . This is a very small amount of radiation. Are bananas radioactive Are they harmful? Some potassium is always