News tagged with speed of light

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Cool electron acceleration

Physicists from the Max-Planck-Institute of Quantum Optics produced electron pulses from a laser accelerator whose individual particles all have nearly the same, tuneable energy.

Jun 04, 2013 5 / 5 (4) 0 | with audio podcast

Light particles illuminate the vacuum

Researchers from the Finnish Aalto University and the Technical Research Centre of Finland succeeded in showing experimentally that vacuum has properties not previously observed. According to the laws of ...

Feb 26, 2013 4.8 / 5 (35) 415 | with audio podcast

Vela Pulsar

(Phys.org)—This movie from NASA's Chandra X-ray Observatory shows a fast moving jet of particles produced by a rapidly rotating neutron star, and may provide new insight into the nature of some of the densest ...

Jan 08, 2013 5 / 5 (8) 6 | with audio podcast

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