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German Physicists Claim to Have Broken Speed of Light
World | August 20, 2007, Monday // 00:00
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A German physicists duo claims to have broken the speed of light according to claims reported by New Scientist on Monday.
It turned out that exceeding the speed of light may not be impossible and this is an achievement that would undermine our entire understanding of space and time.
The debate surrounds an experiment by Gunter Nimtz and Alfons Stahlhofen of the University of Koblenz, Germany, in which photons were propelled faster than the speed of light in a process known as quantum tunnelling.
According to Einstein's special theory of relativity, it would require an infinite amount of energy to propel an object at more than 300,000 kilometres per second. However, Dr Nimtz and Dr Stahlhofen, say they may have breached a key tenet of that theory.
The research by Nimtz and Stahlhofen involved sending microwaves through two glass prisms to investigate quantum tunnelling - a process in which quantum particles violate the laws of classical physics by traversing gaps that they should not be able to pass through. In observing this phenomena the researchers conclude that the photons travel much faster than the speed of light - so fast in fact that it could not be measured.
The popular interpretation might lead to the conclusion that the ultimate cosmic speed limit has been broken, but as explained by Alan Boyle at Cosmic Log, it's more a question of how these laws are conceived given that the weird behaviour of quantum particles tend to elicit loopholes in the Theory of Relativity. Part of this problem lies in the fact that light waves are massless and therefore don't fit within the parameters of the 300,000 kilometres per second rule.
It turned out that exceeding the speed of light may not be impossible and this is an achievement that would undermine our entire understanding of space and time.
The debate surrounds an experiment by Gunter Nimtz and Alfons Stahlhofen of the University of Koblenz, Germany, in which photons were propelled faster than the speed of light in a process known as quantum tunnelling.
According to Einstein's special theory of relativity, it would require an infinite amount of energy to propel an object at more than 300,000 kilometres per second. However, Dr Nimtz and Dr Stahlhofen, say they may have breached a key tenet of that theory.
The research by Nimtz and Stahlhofen involved sending microwaves through two glass prisms to investigate quantum tunnelling - a process in which quantum particles violate the laws of classical physics by traversing gaps that they should not be able to pass through. In observing this phenomena the researchers conclude that the photons travel much faster than the speed of light - so fast in fact that it could not be measured.
The popular interpretation might lead to the conclusion that the ultimate cosmic speed limit has been broken, but as explained by Alan Boyle at Cosmic Log, it's more a question of how these laws are conceived given that the weird behaviour of quantum particles tend to elicit loopholes in the Theory of Relativity. Part of this problem lies in the fact that light waves are massless and therefore don't fit within the parameters of the 300,000 kilometres per second rule.
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