How far is a second?

Name: How far is a second?
Uploaded: 2012-04-08T03:31:32+00:00
Description: The moon may be 1.3 light-seconds away, but why on earth do we measure distances using time? minutephysics is now on Google+ - http://bit.ly/qzEwc6 And...

Collected by videosift on Apr 8, 2012

The moon may be 1.3 light-seconds away, but why on earth do we measure distances using time? minutephysics is now on Google+ - http://bit.ly/qzEwc6 And...

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