Replies: The light does not actually travel more slowly when in material.

Along the path I had arranged, light could travel in either direction.

The light is traveling through space without being scattered because there are no air molecules.

It was a kind of dark that light could travel through but eyesight couldn't.

It depends upon the media through which the light is traveling.

A red light will travel around the numbers before finally stopping on a number.

He could be only a floor or two below me, because light didn't travel well around 180-degree turns.

Oddly enough, light doesn't always travel at the speed it does.

The light of the quasar does not travel in a straight line to earth.

The light from these stars has traveled great distances to reach Earth.