Energy efficiency in physics is not measured the way most people think about it. Instead of asking how much heat a process ...

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 ...

Engineers have made a breakthrough in an 80-year-old quandary in quantum physics, paving the way for the development of new materials that could make electronic devices smaller and cars more energy ...

Albert Einstein proposed the most famous formula in physics in a 1905 paper on Special Relativity titled Does the inertia of an object depend upon its energy content? Essentially, the equation says ...