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         Internet Search Results 

Gamma ray - Wikipedia
Natural sources of gamma rays on Earth include gamma decay from naturally occurring radioisotopes such as potassium-40, and also as a secondary radiation from various atmospheric interactions with cosmic ray particles.

Gamma-ray astronomy - Wikipedia
Gamma-ray astronomy is the astronomical observation of gamma rays, the most energetic form of electromagnetic radiation, with photon energies above 100 keV.Radiation below 100 keV is classified as X-rays and is the subject of X-ray astronomy.

NRC: Glossary -- Gamma radiation
Gamma radiation. High-energy, short-wavelength, electromagnetic radiation emitted from the nucleus of an atom.Gamma radiation frequently accompanies emissions of alpha particles and beta particles, and always accompanies fission.

Metal Foams Capable of Shielding X-rays, Gamma Rays ...
Research from North Carolina State University shows that lightweight composite metal foams are effective at blocking X-rays, gamma rays and neutron radiation, and are capable of absorbing the energy of high impact collisions. The finding means the metal foams hold promise for use in nuclear safety ...

Radiation Protection | US EPA
EPA sets limits on environmental radiation from use of radioactive elements. The Radiation Protection website describes EPA's radiation protection activities, regulations and supporting information.

The Electromagnetic Spectrum - Gamma Rays, X-rays ...
This webpage describes the electromagnetic spectrum, including gamma rays, x-rays, ultraviolet light, visible light, infrared light, microwaves, and radio waves.

The Sun Is Spitting Out Strange Patterns of Gamma Rays ...
The Sun Is Spitting Out Strange Patterns of Gamma Rays—and No One Knows Why. The discovery, although mysterious, might provide a new window into the depths of our most familiar star

Food Safety Education | For Educators | Competencies ...
Describe pasteurization. Pasteurization is the process of heat processing a liquid or a food to kill pathogenic bacteria to make the food safe to eat.

Sterilization of medical instruments - hps.org
Sterilization, the killing of bacteria (or any types of cells), on medical instruments is primarily achieved by the radiation causing severe damage to the cell's components and to the cell's chromosomes, specifically the DNA.

Protecting Against Exposure - ANS
Protecting Against Exposure . Time, Distance and Shielding There are three general guidelines for controlling exposure to ionizing radiation:

         

 

 

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