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The Speed of Light, Caught on Film

Capturing light in motion at a trillionth of a second. MIT, using a new technique called Femto Photography, consisting of femtosecond laser illumination, picosecond-accurate detectors and mathematical reconstruction techniques, has captured the movement of pulses of light.
posted by quin on Dec 13, 2011 - 32 comments

Einstein Wept.

Neutrinos discovered to be faster than light at CERN. If confirmed, these results will overturn a century of one of the most basic assumptions in modern physics. 'Thousands of experiments have been undertaken to measure' the speed of light 'ever more precisely, and no result has ever spotted a particle breaking the limit. But Antonio Ereditato of the Orion collaboration and his colleagues have been carrying out an experiment for the last three years that seems to suggest neutrinos have done just that.' [more inside]
posted by VikingSword on Sep 22, 2011 - 265 comments

flux capacitor or not..

Sorry Marty.. but 2.21 gigawatts ain't gonna cut it. Scientists have proven nothing can travel faster than the speed of light, so no time travelling for you, bub. A new study published in the American Physical Society's Physical Review Letters journal concludes that even single photons have to obey the posted speed limits. [more inside]
posted by analogue on Jul 25, 2011 - 145 comments

Microwave science!

Measure the speed of light using your microwave. (via The Puzzler, who is, incidentally, a mefite)
posted by ocherdraco on Oct 17, 2010 - 18 comments

Hi-yo, Silver

the daring and resourceful masked rider of the plains.... This will take you back. SLYT And also your introduction to youtube's version of HULU. [more inside]
posted by HuronBob on Apr 24, 2009 - 39 comments

'We have broken speed of light'

"We have broken speed of light." So say Dr. Gunter Nimtz and Dr. Alfons Stahlhofen of the University of Koblenz, in this article from New Scientist. Dr. Nimtz's work has been cited on MeFi before.
posted by hermitosis on Aug 16, 2007 - 54 comments

Lightspeed Travel Simulation

What would Tübingen look like if you traveled through it at the speed of light?
posted by feathermeat on Dec 29, 2005 - 33 comments

Breaking the Speed Limit

Scientists speed up light, causing it to travel faster than "c," the long recognized speed of light in a vacuum. This, like the experiments conducted several years ago to briefly stop light, are hard for the average person to comprehend, but have important applications in fiberoptic communications.
posted by awesomebrad on Aug 23, 2005 - 38 comments

Marshmallows-A Take-Home Lab

How to calculate the speed of light with a microwave and some marshmallows
via Making Light

posted by thatwhichfalls on Apr 30, 2004 - 11 comments

Anyone got the time?

Just how plausable is time travel? Could you go back in time and kill your own grandfather?. Would you want to? Time travel is a popular subject for films, but do the writers work out exactly what is happening? Current opinion seems to be that time travel is only possible to the future, and is only one way, by travelling at near light speed. However despite this, time machines seem to already be on sale.
posted by Orange Goblin on Feb 10, 2003 - 53 comments

Speed of light broken

Speed of light broken... no biggy.
posted by GriffX on Jun 5, 2001 - 23 comments

Speed of light broken.

Speed of light broken. But it may be awhile before we can harness it for anything useful. Fascinating, nonetheless.
posted by scottandrew on Jul 20, 2000 - 13 comments

Can the speed of light be broken?

Can the speed of light be broken? It's not 1 April, so this actually might be true. It'll be interesting to see the paper in Nature, if and when.
posted by aurelian on Jun 5, 2000 - 5 comments

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