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Questioning the Universe
book

Questioning the Universe

by Ahren Sadoff
December 2008
Beginner content levelBeginner
224 pages
7h 44m
English
Chapman and Hall/CRC
Content preview from Questioning the Universe
50 Questioning the Universe: Concepts in Physics
taking some time to inform the distant  eld there has been a change; therfore, there
must be a time delay that depends on distance.
6.3.2.1 The Speed and Identity of the Kink
As stated above, the kink travels at a de nite speed. That speed is 186,000 miles/s,
or 3 × 10
8
m/s. Some of you may recognize this as the speed of light. In fact, that is
exactly what light is: the readjustment of the electric  eld when charged particles are
accelerated. So, not only does the  eld concept predict the correct time delay, but it
predicts and explains what light is. To emphasize this point, light is only ...
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Publisher Resources

ISBN: 9781420082593