So let's say I'm riding the subway (or tube, as we say in London). I'm travelling 99.99% of the speed of light and I shine a laser pointer out of the train window onto the wall of the tunnel. What do I see reflected back at me from the wall? Do I see a red dot just like I normally would? And what does it look like from the perspective of the stationary tunnel wall?
AmicableSnowman7 karma
So let's say I'm riding the subway (or tube, as we say in London). I'm travelling 99.99% of the speed of light and I shine a laser pointer out of the train window onto the wall of the tunnel. What do I see reflected back at me from the wall? Do I see a red dot just like I normally would? And what does it look like from the perspective of the stationary tunnel wall?
Love your work Dr. Kaku!
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