Explore gamma rays. Learn the definition of a gamma ray and see its characteristics. Find the sources of gamma rays on Earth and outer space, and...
Gamma ray, electromagnetic radiation of the shortest wavelength and highest energy. Gamma rays are produced in the disintegration of radioactive atomic nuclei and in the decay of certain subatomic particles. It includes some overlap with X-rays in the el
The method utilising a portable gamma-ray source and a Geiger-Mueller counter has been applied in laboratory conditions for determinations of gamma-ray absorption coefficient in wood of several deciduous softwood species. Results might be of importance in characterising the wood tissue and also in ...
andgamma rays. In such awave, time-varying electric and magnetic fields are mutually linked with each other at right angles and perpendicular to the direction of motion. An electromagnetic wave ischaracterizedby its intensity and thefrequencyν of the time variation of the electric and magnetic fi...
Food irradiation is a process of applying ionizing radiation. It enhances and extends the shelf life of food by eliminating or reducing insects and microorganisms. Radiation (such as electron beams, gamma rays, or x-rays) is emitted by radioactive substances or produced electrically. ...
Light with high frequencies has a higher amount of energy and includes types like ultraviolet light, x-rays, and gamma rays. Light with lower frequencies has a lower amount of energy and includes types like infrared light, microwaves, and radio waves. The visible light spectrum, or the light...
is energy in the form of electromagnetic radiation. You may be most familiar with visible light, but this energy comes in types we can't see as well, such as radio waves, microwaves, infrared, ultraviolet, X-rays and gamma rays. It is energy carried by photons – particles of ...
The threat posed by the use of weapons of mass destruction (WMD) within the United States has grown significantly in recent years, focusing attention on the medical and public health disaster capabilities of the nation in a large scale crisis. While the hundreds of thousands or millions of casu...
light,X-rays, andgamma rays. All of these waves travel at the same speed—namely, thevelocity of light(roughly 300,000 kilometres, or 186,000 miles, per second). They differ from each other only in thefrequencyat which their electric and magnetic fieldsoscillate....
other observatories are instrumented to detect cosmic emitters ofradio waves, while still others calledsatellite observatoriesare Earth satellites that carry special telescopes and detectors to study celestial sources of such forms of high-energy radiation asgamma raysandX-raysfrom high above theatmosphere...