News tagged with gamma radiation

Herbal tonic for radiotherapy

Antioxidant extracts of the leaves of the Gingko biloba tree may protect cells from radiation damage, according to a study published in the International Journal of Low Radiation. The discovery may one day be used to hel ...

Oct 19, 2009 not rated yet 0

Heart of a galaxy emits gamma rays

(PhysOrg.com) -- Quite a few distant galaxies turn out to be cosmic delivery rooms. Large numbers of massive stars are born in the hearts of these starburst galaxies, and later explode as supernovae. In the ...

Oct 02, 2009 4.5 / 5 (6) 6

Very High Energy Gamma Rays

(PhysOrg.com) -- Gamma-rays are the most energetic known form of electromagnetic radiation, with each gamma ray being at least one hundred thousand times more energetic than an optical light photon. The most ...

Sep 25, 2009 4.4 / 5 (14) 3

Dissecting a stellar explosion

(PhysOrg.com) -- Integral has captured one of the brightest gamma-ray bursts ever seen. A meticulous analysis of the data has allowed astronomers to investigate the initial phases of this giant stellar explosion, ...

Apr 03, 2009 4.5 / 5 (6) 0

Team develops new metamaterial device

An engineered metamaterial proved it can function as a state-of-the-art device in the complex terahertz range of the electromagnetic spectrum, setting a standard of performance for modulating tiny waves of radiation, according ...

Feb 24, 2009 4.7 / 5 (6) 0