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Page 5; Gamma Radiation ... Like all forms of electromagnetic radiation, the gamma ray has no mass and no charge. Gamma rays interact with material by colliding with the electrons in the shells of atoms. They lose their energy slowly in material, being able to travel significant distances before stopping.
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www.physics.isu.edu/radinf/gamma.htm
www.physics.isu.edu/radinf/gamma.htm
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Gamma radiation is one of the three types of natural radioactivity. Gamma rays are electromagnetic radiation, like X-rays. The other two types of natural radioactivity are alpha and beta radiation, which are in the form of particles.
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www.ndt-ed.org/EducationResources/CommunityCollege/Radi...
www.ndt-ed.org/EducationResources/CommunityCollege/Radiography/Physics/gamma.htm
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This site is intended for students age 14 and up, and for anyone interested in learning about our universe. ... Here are the different types of radiation in the EM spectrum, in order from lowest energy to highest: ... But the biggest gamma-ray generator of all is the Universe! It makes gamma radiation in all kinds of ways.
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imagine.gsfc.nasa.gov/docs/science/know_l1/emspectrum.h...
imagine.gsfc.nasa.gov/docs/science/know_l1/emspectrum.html
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This page describes gamma rays, their properties and health effects. ... In manufacturing, gamma radiation from cobalt-60 or cesium-137 can improve the physical characteristics of materials. For example, exposure to gamma radiation improves the durability of some wood and plastic composites.
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www.epa.gov/rpdweb00/understand/gamma.html
www.epa.gov/rpdweb00/understand/gamma.html
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Gamma radiation is very high-energy ionizing radiation. Gamma photons have about 10,000 times as much energy as the photons in the visible range of the electromagnetic spectrum. ... Cesium-137 provides an example of radioactive decay by gamma radiation. Scientists think that a neutron transforms to a proton and a beta...
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www.stoller-eser.com/Quarterlies/Gamma.htm
www.stoller-eser.com/Quarterlies/Gamma.htm
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Gamma rays are an extremely high-energy form of electromagnetic (EM) radiation. Gamma ray radiation has a much, much shorter wavelength than visible light, so gamma ray photons have much, much higher energies than photons of light do.
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www.windows.ucar.edu/tour/link=/physical_science/magnet...
www.windows.ucar.edu/tour/link=/physical_science/magnetism/em_gamma_ray.html
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Published this week in the open access journal PLoS ONE, the researchers found that melanin, a naturally occurring pigment in many fungi, allows the organism to "eat" ionizing radiation, converting it into useful energy that the organism can directly use.
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arstechnica.com/science/news/2007/05/gamma-radiation-it...
arstechnica.com/science/news/2007/05/gamma-radiation-its-whats-for-dinner.ars
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Gamma-rays have the smallest wavelengths and the most energy of any other wave in the electromagnetic spectrum. These waves are generated by radioactive atoms and in nuclear explosions. Gamma-rays can kill living cells, a fact which medicine uses to its advantage, using gamma-rays to kill cancerous cells.
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science.hq.nasa.gov/kids/imagers/ems/gamma.html
science.hq.nasa.gov/kids/imagers/ems/gamma.html
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