ultraviolet :

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ultraviolet

uhl truh vahy uh lit

  • n  radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays
  • s  having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end
    ultraviolet radiation
    an ultraviolet lamp

  • At present, the ozone layer lets enough ultraviolet through to cause sunburn and, in some people, skin cancer.
  • They can be seen with special ultraviolet microscopes, but strong ultraviolet is also deadly to cells; only the picture of a tiny corpse appears in the photomicrograph.
  • Finallyafter several experiments Chakrabarty discovered that irradiating the host organisms with ultraviolet light after plasmid transfer induced a genetic cross-linking .
News & Articles

  • Milky Way Neighbor Galaxies Get Amazing Portraits in UV
    Stitching together thousands of images, astronomers have created the most detailed ultraviolet light portraits of the Milky Way's two closest neighbors: the Large and Small Magellanic Clouds.
    June 14, 2013 - SPACE.com via Yahoo! News
  • A stunning look at hot young stars -- of a galaxy
    By Megan GannonSpace.comStitching together thousands of images, astronomers have created the most detailed ultraviolet light portraits of the Milky Way's two closest neighbors: the Large and Small Magellanic Clouds.The stunning wide-field results give scientists a peek at the hot young stars of these satellite galaxies, which hover around the Milky Way less than 200,000 light-years away.The ...
    June 14, 2013 - NBC NEWS
  • Wired Space Photo of the Day: Glowing Pinwheel Galaxy
    The face-on spiral galaxy M101, or the Pinwheel Galaxy, is seen at ultraviolet and optical wavelengths in this image taken by ESA’s XMM-Newton space telescope. The picture is composed of images taken by XMM-Newton’s Optical Monitor telescope using different filters: red ...        
    June 14, 2013 - Wired News
Quotes

  • Sandra Faber in Science Daily (press release)
    That doesn't mean shining an ultraviolet light on people in wheelchairs will suddenly allow them to walk. But it does give us a tool that we can use to solve the mysteries of nerve cell communication and can ultimately help us understand the... Kenneth Miller http://www.google.com/url?q=http://en.wikipedia.org/wiki/Kenneth_R._Miller&source=dictionary&usg=AFQjCNE_kxogoV2ZNr-1-kM9VvopG5m-NA Hindu http://www.google.com/url?q=http://www.hindu.com/thehindu/holnus/008200808051555.htm&source=dictionary&usg=AFQjCNEm59gRiOeFdPhjlqDw6pkrO2SFNQ Aug 5, 2008 103230 136954 ultraviolet AEGIS images projected onto the celestial sphere show how it would look with infrared, ultraviolet, or x-ray eyes," Faber said. "Some galaxies look brighter at certain wavelengths than others, which carries important information about their...
  • Condoleezza Rice in FOXNews
    Our principal finding is that the space vacuum, which entails extreme dehydration, and cosmic radiation, (was not) a problem for water bears. On the other hand, the ultraviolet radiation in space is harmful to water bears, although a few... Ulrika Jonsson http://www.google.com/url?q=http://en.wikipedia.org/wiki/Ulrika_Jonsson&source=dictionary&usg=AFQjCNGFuBbA8slVOLmS-LrJ-yNVJz3ORQ United Press International http://www.google.com/url?q=http://www.upi.com/Science_News/2008/09/11/Study_Water_bears_can_survive_in_space/UPI-16241221159624/&source=dictionary&usg=AFQjCNEKT0q98IpaAE4qF-TJBRZbjQy91g Sep 11, 2008 103232 136969 ulysses When you hear people say ...... 'If you kill one of them, they'll just replace him with another leader,' remember that that's like saying, `If you take out Robert E. Lee or Ulysses S. Grant, well, they'll just replace them with another...

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