University of Arizona

The supernova that cried wolf

(Phys.org)—Astronomers are announcing today that a massive star, which they have watched repeatedly mimic a supernova since 2009, has finally exploded for real. The report is being presented to the American Astronomical ...

Jan 09, 2013 4.9 / 5 (8) 0 | with audio podcast

Study examines how news spreads on Twitter

Nearly every major news organization has a Twitter account these days, but just how effective is the microblogging website at spreading news? That's the question University of Arizona professor Sudha Ram set out to answer ...

Jan 09, 2013 not rated yet 1

Testing Einstein's E=mc2 in outer space

(Phys.org)—University of Arizona physicist Andrei Lebed has stirred the physics community with an intriguing idea yet to be tested experimentally: The world's most iconic equation, Albert Einstein's E=mc2, may be cor ...

Jan 04, 2013 4.8 / 5 (27) 81 | with audio podcast

Dry leaves make for juicy science

A research team consisting of a University of Arizona graduate student, about 40 middle school students and a UA research lab has undertaken the first systematic study looking at how much plant leaves shrink ...

Nov 20, 2012 not rated yet 0

Freezing electrons in flight

(Phys.org)—Using the world's fastest laser pulses, which can freeze the ultrafast motion of electrons and atoms, University of Arizona physicists have caught the action of molecules breaking apart and electrons ...

Oct 15, 2012 5 / 5 (7) 7 | with audio podcast