Italian physicists have just submitted a new research paper for peer review, saying that they have uncovered evidence suggesting that elementary particles called neutrinos travel faster than photons.
The implications of their findings are mind-boggling, as they deny the main principle in Albert Einstein's the... |
23 September 2011
05:45 GMT |
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While traveling at or near the speed of light is known to produce interesting relativistic effects, actually being a photon is even weirder. Scientists say that these elementary particles – were they to be conscious – do not experience a lifespan in the strictest sense. In other words, from their own pers... |
8 August 2011
02:48 GMT |
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Modern-day physicists take the speed of light as one of the most reliable measures and constant in science, but some experts are proposing that this level of confidence may be excessive. They are saying that the light may have traveled at a different speed in the early Universe. Portuguese cosmologist João Mag... |
15 July 2011
03:58 GMT |
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One of the most interesting astronomy news for 2010 had a lot to do with the discovery of a pulsar that apparently moved faster than the speed of light. This obviously turned out to be just an illusion, but a pretty convincing one at that. Now, experts compile a list explaining why superluminal motions appear. Produc... |
3 January 2011
05:10 GMT |
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Mexican physicist Miguel Alcubierre proposed in 1994 a mathematical model for creating a space drive that could theoretically propel a spacecraft faster than the speed of light. Real simulations show that such a drive would indeed propel a spaceship, but only up to 25 percent of light speed. In Alcubie... |
1 November 2010
04:15 GMT |
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In a recent book, physicist Joao Magueijo explains the principles of his varying-speed-of-light (VSL) theory, claiming that light can outrun itself. This idea of velocities beyond that of light has been discussed before, as two German scientists claim their quantum tunneling experiments proved it was possible. ... |
17 September 2008
04:13 GMT |
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So I've heard... But what does that even mean? It all goes back to German physicist Albert Einstein, who formulated the theories of Special and General Relativity in the early 1900s, in order to construct a better model that would explain the unique characteristics of space and time. Thus, relativity means that ... |
9 February 2008
05:10 GMT |
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Some may say that such actions are close to impossible, but researchers at the Relativistic Heavy Ion Collider, RHIC for short, have already achieved the performance of correcting the trajectory of particles traveling at 99,995 percent of the speed of light, by measuring fluctuations of particle beams as they speed t... |
7 February 2008
08:50 GMT |
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Quantum tunneling represents a quantum mechanics phenomenon, which allows a given particle to violate certain classical mechanics principles. For example, in order to extract an electron from the atom, one must contribute with an input of energy equal to or higher than that of the respective electron. However, quantu... |
26 January 2008
06:35 GMT |
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It is a well known fact that black holes can spin with extreme speeds, yet new observations conducted with NASA's Chandra X-ray Space Telescope reveal that supermassive black holes could even reach rotation speeds close to the upper limits allowed in the space-time fabric. Not only that, but physicists also pro... |
11 January 2008
06:50 GMT |
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The Earth is constantly being bombarded with a huge amount of cosmic rays every day, however, most of these are quickly absorbed by the atmosphere. The vast majority subatomic particles usually come from our own Sun and pack a relatively low energy, but from time to time, Earth has received a dose of highly energetic... |
3 January 2008
09:53 GMT |
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