Einstein’s idea of the equivalence between mass and energy plays an extremely fundamental role in this field of physics. In order for this to be possible we typically need processes that occur at veloc...Einstein’s idea of the equivalence between mass and energy plays an extremely fundamental role in this field of physics. In order for this to be possible we typically need processes that occur at velocities near the light velocity c , so that the kinematics of these processes requires relativity. In this chapter we shall succinctly introduce the few necessary concepts of relativistic kinematics.
