Running a power plant consumes resources which we only have in a limited amount (at least for nuclear, gas, coal and oil based ones). You see: there is no reason to waste something. But what actually happens to the energy that we waste? Is it gone? You might say: “Yes, because there is no way to get it back!” But a physicist would probably answer you: “Energy is conserved in nature! Always and everywhere!” And he is right. Our laws of nature are based on the conservation of certain quantities, and energy is one of it.
KeywordsAngular Momentum Conservation Laws Neutron Star White Dwarf Total Momentum
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