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Light and Stars

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pgp_protector

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Hey. Here's an article from today (16 Aug) about someone breaking the speed of light!

My computer wont open the article, so i can't read it, but here's the link.
http://www.telegraph.co.uk/earth/main.jhtml?xml=/earth/2007/08/16/scispeed116.xml
Someone ??
Something :)

quantum tunneling
http://en.wikipedia.org/wiki/Quantum_tunneling
http://www.canadaconnects.ca/quantumphysics/10067/10074/
http://math.ucr.edu/home/baez/physics/Relativity/SpeedOfLight/FTL.html

I Thought this has been done before ?
 
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Yekcidmij

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From the link:

A pair of German physicists claim to have broken the speed of light - an achievement that would undermine our entire understanding of space and time.​


According to Einstein's special theory of relativity, it would require an infinite amount of energy to propel an object at more than 186,000 miles per second.​


However, Dr Gunter Nimtz and Dr Alfons Stahlhofen, of the University of Koblenz, say they may have breached a key tenet of that theory.​


The pair say they have conducted an experiment in which microwave photons - energetic packets of light - travelled "instantaneously" between a pair of prisms that had been moved up to 3ft apart.​


Being able to travel faster than the speed of light would lead to a wide variety of bizarre consequences.​


For instance, an astronaut moving faster than it would theoretically arrive at a destination before leaving.​


The scientists were investigating a phenomenon called quantum tunnelling, which allows sub-atomic particles to break apparently unbreakable laws.​


Dr Nimtz told New Scientist magazine: "For the time being, this is the only violation of special relativity that I know of."​

Trust a newspaper to jump from quantum tunneling to astronauts arriving before they leave.

Otherwise, something interesting to keep an eye on.

Thanks for the post.
 
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busterdog

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I thought I remembered that too.

The idea of the quantum tunnel is interesting, because now we are bending the rules again. Anything that magically create light in a place it isn't supposed to be just begs the question of our handle on this thing. And, as a metaphor, it is not much worse than light being created in flight.

I posted on Michio Kaku's site, who responded on the whole c decay thing to say rather politely that the equations generally looked kind of ugly. Wormholes or quantum tunnels also look pretty ugly. That really suggests that the equations don't really exist for these things in an accurate and comprehensive sense.

Maybe setterfield.org is wrong and maybe none of this proves how star light reaches earth in a few thousand years. But, this does suggest that the guys like Setterfield who claim to be on the cutting edge of this stuff need a bit of an apology, since they were mocked on the basis of this supposedly inviolate rule, among other bases..
 
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