Posts Tagged ‘radiation’
Skin’s eye-like receptors ‘see’ UV light
BROWN (US) — Skin is able to detect ultraviolet light by using a receptor previously thought to only exist in the eye. Continue…
Monday, November 7, 2011 11:01 - 2 Comments
Science & Technology - Sep 14, 2011 12:07 - 0 Comments
Semiconductors sniff out nuclear weapons
NORTHWESTERN (US) — New materials that can detect hard radiation could lead to a handheld device for spotting nuclear weapons and materials, like those that could be used in a “nuclear bomb in a suitcase.” (more…)
Health & Medicine - May 17, 2011 9:47 - 0 Comments
Kids don’t always need CT scans
UC DAVIS (US) — Monitoring children who come into emergency rooms with minor head trauma instead of immediately ordering a CT scan avoids radiation exposure without compromising care. (more…)
Science & Technology - Apr 29, 2011 8:31 - 1 Comment
T-ray laser pulses advance imaging
U. LEEDS (UK) — Researchers have produced terahertz ray pulses from a quantum cascade laser, the first time rays have been made to emit separate packets of radiation, rather than in a continuous beam. (more…)
Science & Technology - Jun 21, 2010 11:44 - 0 Comments
Geoneutrinos detected deep inside Earth
PRINCETON (US)—The discovery of subatomic particles deep within the Earth’s interior could help geologists understand how reactions taking place in the planet’s interior affect events on the surface such as earthquakes and volcanoes. (more…)
Health & Medicine - Feb 25, 2010 12:03 - 1 Comment
As testosterone dips, quality of life dims
U. SHEFFIELD (UK)—Male cancer survivors who develop testosterone deficiency often report having impaired quality of life and reduced energy levels, indicating replacement therapy may benefit some patients. (more…)
Science & Technology - Dec 15, 2009 12:24 - 0 Comments
Cooking up clear, UV-proof glasses
PENN STATE (US)—Adding cerium oxide to phosphate glass rather than the commonly used silicate glass may make eye glasses that remain colorless, block ultraviolet light, and have increased resistance to radiation damage. (more…)
Health & Medicine - Nov 30, 2009 14:39 - 3 Comments
Big dose of x-ray after heart attack
DUKE (US)—Acute heart attack patients receive an average dose of radiation that is equal to 725 chest X-rays, or 30 percent of the recommended annual limit, during an average hospital admission, according to a new study. (more…)
Science & Technology - Jul 13, 2009 15:28 - 0 Comments
Running nanodevices on ‘repulsive’ light
Tang’s team show how interacting lightwaves can be used to control devices on a silicon chip. (Photo: Hong Tang/Yale University)
Science & Technology - May 19, 2009 11:48 - 0 Comments
Catching gravity waves from the big bang
QUIET team members display circuitry and components developed for the detection of gravity waves: physics graduate students Immanuel Buder and Alison Brizius (front row); Colin Bischoff, physics graduate student; David Moore, undergraduate in physics; Akito Kusaka, postdoctoral fellow in the Kavli Institute for Cosmological Physics; and Bruce Winstein, the Samuel K. Allison Distinguished Service Professor in Physics (back row, l-r). (Credit:Lloyd DeGrane)
