(PhysOrg.com) -- This NASA Hubble Space Telescope infrared mosaic image represents the sharpest survey of the Galactic Center to date. It reveals a new population of massive stars and new details in complex structures in ...
Space Exploration
Oct 10, 2011
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Sunbathers have long known that melanin in their skin cells provides protection from the damage caused by visible and ultraviolet light. More recent studies have shown that melanin, which is produced by multitudes of the ...
Biochemistry
Aug 23, 2011
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Research involving selective irradiation of a human skin tissue model is improving how scientists determine the overall effects of low doses of ionizing radiation such as might be received during certain medical procedures ...
Biochemistry
Feb 16, 2011
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In the most comprehensive analysis of its type published to date, scientists at Pacific Northwest National Laboratory have found that exposing human skin tissue cells, or fibroblasts, to low doses of ionizing radiation regulates ...
Biochemistry
Dec 17, 2010
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Under extremely intense illumination materials may exhibit so-called nonlinear optical properties such as ceasing to absorb light beyond a certain brightness, or becoming highly ionized. Yasumasa Hikosaka, Mitsuru Nagasono ...
General Physics
Nov 26, 2010
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The most popular method of breast cancer detection today is X-ray mammography, which takes images of a compressed breast by low-dose ionizing radiation. However, there are several disadvantages to using X-rays for breast ...
Mathematics
Jul 7, 2010
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X-rays penetrate the patient's body, helping the doctor guide the catheter through the artery. In future, it will be possible to monitor the position of the catheter without exposing the patient to X-ray radiation, and without ...
Engineering
Mar 9, 2009
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Tunnelling ionization studies by researchers in Japan and Russia show changes in electron distributions between ground- and excited-state in laser tunnelling ionization of molecules.
General Physics
May 10, 2016
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Scientists can't figure exactly why yet, but Comet 67P/Churyumov-Gerasimenko has been singing since at least August. Listen to the video – what do you think? I hear a patter that sounds like frogs, purring and ping-pong ...
Space Exploration
Nov 12, 2014
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PAN Institute of Fundamental Technological Research , NCBJ, Institute of Ceramics & Building Materials, and the Hydrobudowa-1 company are commencing a 3.2 million PLN worth joint research project to modernize radiation concrete ...
Engineering
Feb 14, 2014
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