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Gamma ray - Wikipedia
A gamma ray or gamma radiation (symbol γ or ), is a penetrating electromagnetic radiation arising from the radioactive decay of atomic nuclei.It consists of the shortest wavelength electromagnetic waves and so imparts the highest photon energy. Paul Villard, a French chemist and physicist, discovered gamma radiation in 1900 while studying radiation emitted by radium.
Glossary | Radiation Information and Answers
Glossary. There are many radiation units, so many in fact that we will explain only the few units most likely to be used in the media or at a local town meeting on radiation-related issues.
The Effect of Gamma Rays on Man-in-the-Moon Marigolds ...
The Effect of Gamma Rays on Man-in-the-Moon Marigolds is a play written by Paul Zindel, a playwright and science teacher.Zindel received the 1971 Pulitzer Prize for Drama and a New York Drama Critics' Circle Award for the work.
Difference Between X-Rays and Gamma Rays - Pediaa.Com
What are Gamma Rays. Gamma rays are produced by radioactive nuclei. After a radioactive nucleus undergoes alpha or beta radiation, the nucleus is left in an “excited” state.The nucleus then loses the excess energy by emitting a gamma photon.
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
Will Dangerous Cosmic Rays Pass Close to Earth ‘Tonight’?
Rumors of dangerous cosmic rays passing by Earth “tonight,” largely identical in their phrasing, have been steadily collecting in our inbox for well over a year. The warning, which has been ...
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.
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.
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.
Alpha, Beta and Gamma Rays - Pass My Exams
Radioactivity. Radioactivity is the process in which unstable atomic nuclei spontaneously decompose to form nuclei with a higher stability by the release of energetic sub atomic particles.. The above definition tells us that radioactivity is a random or spontaneous naturally occurring process. The process cannot be influenced by external factors such as heat, pressure or exposure to a magnetic ...