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What is lights speed?

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3 Answers

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by
Scientists have changed light's speed.

They even got it to zero MPH!
by (71.0k points)

I did not think it was possible to stop light, but found an article describing it

http://www.bibliotecapleyades.net/ciencia/ciencia_quantum15.htm

Really amazing.

0 votes
by (448k points)
I'd say about 671 million miles per hour ( 1,080,000,000 kilometer )
+1 vote
by (71.0k points)
299,792,458 m/s, or about 300 million (3x10^8) meters per second.

Same as 670,616,629 miles per hour.



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