The speed of light slows as it traverses through a different medium, but after slowing it finds a way to accelerate back to original speed as it exits that medium. How does it do that?
In: 93
Fermi Lab does an excellent video debunking some of the misconceptions mentioned in this thread and giving a simplified answer here:
I believe he has other videos that get into the math of it and angle changes as well.
Latest Answers