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Home > Science > So, light can travel faster than er... itself..?

So, light can travel faster than er... itself..?

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WaldoMcFroog | 10:22 Mon 20th Aug 2007 | Science
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http://news.google.co.uk/news?hl=en&q=speed%20 of%20light&ie=UTF-8&oe=UTF-8&um=1&sa=N&tab=in I saw this the other day and thought it was fascinating, though it appears that its all a matter of definitions: http://www.eurekalert.org/pub_releases/2007-08 /ns-lst081607.php Bet it had a few people worried though!! ;-) However, might this discovery theoretically lead to a rethink about such things as space travel?
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Avatar Image fo3nix
No. They're mixing group velocity and phase velocity.

http://publicliterature.org/tools/group_and_ph ase_velocity/
15:53 Mon 20th Aug 2007

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So, light can travel faster than er... itself..?

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