News tagged with gamma radiation

Brazil ages the stuff of caipirinhas with radiation

Excuse me, waiter, but why is my caipirinha glowing? Researchers in Brazil say they've found a faster way to age the liquor used to make the country's signature cocktail—zap it with gamma radiation for a few minutes, rather ...

Jan 01, 2013
2.6 / 5 (8) 0

A new class of extragalactic objects

A blazar is a galaxy with an intensely bright central nucleus containing a supermassive black hole, much like a quasar. The difference is that a blazar can emit light with extremely high energy gamma rays ...

Oct 29, 2012
3.9 / 5 (14) 1 | with audio podcast

A black widow's Tango Mortale in gamma-ray light

Pulsars are the compact remnants from explosions of massive stars. Some of them spin around their own axis hundreds of times per second, emitting beams of radiation into space. Until now, they could only ...

Oct 25, 2012
5 / 5 (7) 0 | with audio podcast

A pulsar with a tremendous hiccup

(Phys.org) -- Pulsars are superlative cosmic beacons. These compact neutron stars rotate about their axes many times per second, emitting radio waves and gamma radiation into space.  Using ingenious data ...

Jul 24, 2012
4 / 5 (6) 0 | with audio podcast

Red Crucifix sighting in 774 may have been supernova

(Phys.org) -- A supernova may have actually been the mysterious "Red Crucifix" in the sky that is cited in the Anglo Saxon Chronicle for the year 774. New correspondence between a university student and Nature carries intere ...

Jun 30, 2012 weblog
4.6 / 5 (12) 10 | with audio podcast

Radiation boost for artificial joints

A blast of gamma radiation could toughen up plastic prosthetic joints to make them strong enough to last for years, according to researchers in China writing in the current issue of the International Journal of Biomedical En ...

Sep 22, 2011
not rated yet 0

Blazars

(PhysOrg.com) -- A blazar is a galaxy which, like a quasar, has an intensely bright central nucleus containing a supermassive black hole. In a blazar, however, the emitted light sometimes includes extremely ...

Sep 06, 2011
4.7 / 5 (7) 9 | with audio podcast