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  1. X-Rays (
      "X-rays (or Röntgen rays) are a form of electromagnetic radiation with a wavelength in the range of 10 to 0.01 nanometers, corresponding to frequencies in the range 30 PHz to 30 EHz. X-rays are primarily used for diagnostic radiography and crystallography. X-rays are a form of ionizing radiation and as such can be dangerous. In many languages it is called Röntgen radiation after one of the first investigators of the X-rays, Wilhelm Conrad Röntgen." 09-07

  1. 04-01-09 Airport Security Using Strip Check (MSNBC News)
      "New airport security scanners could become a popular alternative to body searches, but have also prompted some privacy concerns."

      "Whole-body imaging technologies can see through clothing to reveal metallic and non-metallic objects, including weapons or plastic explosives. They also reveal a person's silhouette and the outlines of underwear." 04-09

  2. 08-17-04 X-Ray Technology to Improve View of Universe (BBC News)
      "The researchers have successfully tested a small prototype which if scaled up could be a million times more powerful than today's observatories."

      "Professor Cash said a fully scaled-up version of the design could resolve a region the size of a dinner plate on the surface of the Sun." 8-04

  3. Airport Security to Use Strip Check (USA Today)
      "The agency in charge of the nation's air security expects later this year to begin using a controversial X-ray machine that will show airport screeners a clear picture of what's under passengers' clothes — whether weapons or just bare skin."

      "The ACLU says the scanners invade personal privacy." 4-05

  4. Chandrasekhar, Subrahmanyan (Harvard-Smithsonian Center for Astrophysics)
      Provides a short biography of the Indian-American Nobel laureate, after whom the Chandra X-ray Observatory is named. 9-00

  5. Interferometry (University of Colorado - Cash)
      Explains a method of "seeing" that uses X-rays and is up to a thousand times more powerful than other methods (that use visible light) for studying distant objects. A special focus of this science is to see "black holes." 9-00

  6. Super Scope to See Hidden Texts (BBC News)
      "The hidden content in ancient works could be illuminated by a light source 10 billion times brighter than the Sun."

      "The technique employs Britain's new facility, the Diamond synchrotron, and could be used on works such as the Dead Sea Scrolls or musical scores by Bach."

      The method uses x-rays. 09-07


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