News tagged with speed of light

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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

X-Ray Jets

(PhysOrg.com) -- The supermassive black holes that lie at the centers of galaxies can spawn tremendous bipolar jets of atomic particles.

Sep 07, 2010
4.6 / 5 (8) 1

Shutting Off the Large Hadron Collider

On hilly parts of the Interstate highway system, road engineers provide steep-grade areas with gravel off-ramps for trucks that lose their brakes. The ramps bring the big rigs to a rough but safe halt.

Jul 15, 2010
4.7 / 5 (15) 5 | with audio podcast

Large Hadron Collider gains pace: CERN

The world's biggest atom smasher is swiftly gaining pace as scientists seek to unravel the secrets of the universe, the European Organisation for Nuclear Research (CERN) said on Monday.

Jun 28, 2010
4.5 / 5 (35) 157