X-ray - Wikipedia, the free encyclopedia
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X-radiation (composed of X-rays ) is a form of electromagnetic radiation. X-rays have a wavelength in the range of 10 to 0.01 nanometers, corresponding to frequencies in the range 30 petahertz to 3...
en.wikipedia.org/wiki/X-ray
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Alternate Name(s): General Radiography; Plain films ... X-rays are a form of electromagnetic radiation, just like visible light. In a health care setting, x-rays are emitted by a machine as individual "particles" (photons) that pass through the body and then get detected by a sensitive film. ...
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www.nlm.nih.gov/medlineplus/ency/article/003337.htm#Def...
www.nlm.nih.gov/medlineplus/ency/article/003337.htm#Definition
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This is a demonstration of an X-ray machine called a fluoroscope. To use it, just "grab" the small wire-frame with your pointer, hold down the button, and move it around. You'll see the X-ray of the hand through this window!
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www.colorado.edu/physics/2000/xray/index.html
www.colorado.edu/physics/2000/xray/index.html
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An x-ray machine, like that used in a doctor's or a dentist's office, is really very simple. Inside the machine is an x-ray tube. An electron gun inside the tube shoots high energy electrons at a target made of heavy atoms, such as tungsten.
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www.colorado.edu/physics/2000/xray/making_xrays.html
www.colorado.edu/physics/2000/xray/making_xrays.html
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X-ray machines seem to do the impossible: They see straight through clothing, flesh and even metal thanks to some very cool scientific principles at work. Find out how X-ray machines see straight to your bones. ... As with many of mankind's monumental discoveries, X-ray technology was invented completely by accident. In 1895,
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health.howstuffworks.com/x-ray.htm
health.howstuffworks.com/x-ray.htm
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An explanation of cosmic X-ray sources, from black holes to galaxy clusters, as well as a review of the history of X-ray astronomy, what X-rays are and how they are produced. ... The photons collected in space by X-ray telescopes reveal the hot spots in the universe--regions where particles have been energized or raised to...
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chandra.harvard.edu/xray_astro/xrays.html
chandra.harvard.edu/xray_astro/xrays.html
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