"Of all the equations of physics, perhaps the most magical is the Dirac equation." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Let's take a second and look at these two ideas. Two things differentiate the momentum principle from the work energy. First, it is technically a vector equation because the momentum of an object ...

What does it mean to understand a physics equation? The use of formal expressions in physics is not just a matter of the rigorous and routinized application of principles, followed by the formal ...