To
illustrate this say speed of light is 101 miles per hour. Then it is possible
for a train traveling at 100 miles per hour to move practically side by side with
light beam, In fact, a scientist in this train should measure the speed of
light to be 1 mile per hour (101mi/h – 100 mi/h). The scientist should be able
to study the internal structure of light leisurely.
According
to theory of relativity by Einstein, the scientist travel at 100 miles per hour
should measure speed of light as 101 miles per hour but not 1 mile per hour. Reason is like
this….
According
to Theory of relativity clocks on the train beat much slower than clocks on the
earth (time dilation) and any measuring stick on the train shrank in length
(length contraction). So the brain of the scientist on the train slows down
relative to the brain of the scientist on earth. Some one from the earth feels
that the scientist in the train measure the light speed as 1 mi/h, but in
reality the scientist measures the velocity of light to be 101 mi/h. So it is
not possible to travel with speed of light.
Know more about this from
the book ‘ Beyond Einstein’ by Michio Kaku & Jenneifer Thompson
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