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Energy is the conserved quantity associated to time-translation invariance and represents the work a system is capable of doing. Use this tag for questions about energy, and consider adding [tag:energy-conservation] if it is specifically about its conservation.

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A typical computer takes some energy "from the wall" while operating. I know that energy is spent on: Heating various components (psu/vrm/cpu/ram/ssd, so on) Fan/air motion to remove that heat … wires other than power cord. So that electric energy has no other ways out/wires to go. Then, all those waste-factors (mentioned above) are parasitic, in the sense that we want typically to avoid …
asked Jun 3 by xakepp35
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roughly $30,000 \text{Ws}$, or joules. And I imagined that my theoretical conversion device has 75% conversion efficiency, so at a total, I need to produce 40,000 joules of energy with clicks. But I don't know how to estimate single click energy. …
asked Dec 24 '18 by xakepp35