“Mommy, I have a physics contract tomorrow, check out how I’ve prepared.
and well. At what speed does the photon move about me?
at the speed of light.
What is the speed of the photon beam from the lighthouse of a car moving at 200 km/h?
with the speed of light. Give me something more complicated.
At what speed does a photon move in relation to another if they move straight in different directions?
at the speed of light.
How smart you are, Albert!