News tagged with speed of light

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A hint of Higgs: An update from the LHC

The physics world was abuzz with some tantalizing news a couple of weeks ago. At a meeting of the European Physical Society in Grenoble, France, physicists -- including some from Caltech -- announced that ...

Aug 16, 2011
4.6 / 5 (36) 57 | with audio podcast

Oh-My-God Particles

Cosmic rays are really sub-atomic particles, being mainly protons (hydrogen nuclei) and occasionally helium or heavier atomic nuclei and very occasionally electrons. Cosmic ray particles are very energetic ...

Jun 13, 2011
4.4 / 5 (15) 11

Researchers create light from 'almost nothing'

(PhysOrg.com) -- A group of physicists working out of Chalmers University of Technology in Gothenburg, Sweden, have succeeded in proving what was until now, just theory; and that is, that visible photons could ...

Jun 06, 2011 report
4.9 / 5 (43) 59 | with audio podcast

Physics could help financial traders

(PhysOrg.com) -- While most people know that the shortest distance between two points is a straight line, this concept is proving even truer in the world of stock trading. In a world where buying low and selling ...

Mar 24, 2011 report
2.6 / 5 (14) 85 | with audio podcast

Integral spots matter a millisecond from doom

ESA's Integral gamma-ray observatory has spotted extremely hot matter just a millisecond before it plunges into the oblivion of a black hole. But is it really doomed? These unique observations suggest that ...

Mar 24, 2011
4.8 / 5 (12) 10 | with audio podcast

The power of spin

(PhysOrg.com) -- Supermasssive black holes - objects with masses of millions or billions of suns - are found at the nuclei of dramatic galaxies like quasars where they are responsible for some of the most ...

Jan 28, 2011
4.3 / 5 (9) 5

Astronomy without a telescope -- time freeze

There is a story told about traveling at the speed of light in which you are asked to imagine that you begin by standing in front of a big clock – like Big Ben. You realize that your current perception ...

Jan 24, 2011
4 / 5 (9) 26