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X-ray - Wikipedia, the free encyclopedia
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
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. ...
www.nlm.nih.gov/medlineplus/ency/article/003337.htm#Def... www.nlm.nih.gov/medlineplus/ency/article/003337.htm#Definition
Public information and education, and scientific user support. ... NASA's Chandra X-ray Observatory is a telescope specially designed to detect X-ray emission from very hot regions of the Universe such as exploded stars, clusters of galaxies, and matter around black holes.
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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,
health.howstuffworks.com/x-ray.htm health.howstuffworks.com/x-ray.htm · Cached
An X-ray machine is essentially a camera. Instead of visible light, however, it uses X-rays to expose the film. ... X-rays are like light in that they are electromagnetic waves, but they are more energetic so they can penetrate many materials to varying degrees. When the X-rays hit the film, ... About.com: Inventors: X-Ray...
www.howstuffworks.com/question18.htm · Cached
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!
www.colorado.edu/physics/2000/xray/index.html www.colorado.edu/physics/2000/xray/index.html · Cached
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.
www.colorado.edu/physics/2000/xray/making_xrays.html www.colorado.edu/physics/2000/xray/making_xrays.html · Cached
X-ray Telescopes ... X-ray Detectors ... X-ray Astronomy...
imagine.gsfc.nasa.gov/docs/science/how_l2/xray_generati... imagine.gsfc.nasa.gov/docs/science/how_l2/xray_generation.html · Cached
An history of the X-Ray and the invention of x-ray machine and CAT-Scans -sp xray. ... A week after his discovery, Rontgen took an X-ray photograph of his wife's hand which clearly revealed her wedding ring and her bones. The photograph electrified the general public and aroused great scientific interest in the new form...
inventors.about.com/library/inventors/blxray.htm inventors.about.com/library/inventors/blxray.htm · Cached
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