Dear EarthTalk: I recently heard about a cafe in the Netherlands that harvests so-called “kinetic” energy from its revolving door to power its interior lights. Is there potential for “kinetic” energy ...

Physicists define “kinetic” energy as the energy of motion — as opposed to potential energy, which represents an object’s stored energy. While there isn’t much that’s practical that we can do with ...

What is the law of conservation of energy? The Law of Conservation of Energy is a fundamental concept in physics that states that energy cannot be created or destroyed in an isolated system; it can ...

Background Injuries in downhill (DH) are often related to high speed and, therefore, to high energy and forces which are involved in injury situations. Yet to date, no study has investigated the ...