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did you see the video about the 12 yr old kid that is trying to tackle the Einstein equation?
http://www.youtube.com/watch?v=VKXLg8EeRkQ
can someone break it down for me...and give some comments about if his resolution fits...or if he's just going on about something he doesn't know.
2 Answers
- 1 decade agoFavorite Answer
Basically he is asking how the speed of light can change direction when it is a constant. Normally when velocity changes, it needs a change in acceleration.
For a constant speed particle, the acceleration is 0. So how come the speed of light can change direction, yet there is no acceleration.
In other words, if there is a change in direction, doesn't that mean the speed of light have an acceleration and hence it is NOT constant is what the kid is asking.
- 1 decade ago
light is observed to bend, which is i think what he's asking about, is not because it's light that is actually bending, but space itself that is bending. in the frame of reference of the light it's still traveling at speed c in a straight line.
one of the effects of general relativity.
