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Tuesday, February 23, 2010

Speed of light slowed to 38 miles per hour

Light in a vacuum travels at about 186,000 miles per second. Now a group of scientists has slowed down a beam of light so that it only goes 38 miles per hour.

They did it by sending the light through super-cooled sodium atoms, which worked "like molasses" on the photons.

Read all about it here.

38 miles per hour? That's about half as fast as I usually drive :-P


Walkinginlove said...

So much for light being a constant!

Lee Shelton said...

So, did the light actually slow down, or did time speed up?

Chris Knight said...

Time's going by too fast anyway. We don't need science "helping" it along :-P