The next step in this energy story involves recognising that when one energy store empties, another energy store elsewhere...

Physics Narrative 11-14

Richard Feynman, one of the most celebrated 20th century physicists, describes the idea of energy conservation eloquently...

Physics Narrative 11-14

So far momentum looks like just one measure of motion amongst many (velocity, energy in the kinetic store)–useful for some...

Physics Narrative 14-16