Nuclear power appears to be a powerful way to make steam that spins a turbine. Same with geothermal, wind, & hydro. Maybe not solar? Isn’t energy lost in the multiple energy conversions (heat, water state, kinetic)? Is it theoretically possible to have a power source that more directly moves electrons through a circuit? If solar is the only one that can, it’s limited in efficiency and where it can be used. What about power generation undersea or on Ganymede or something?
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There are piezoelectric materials that generate electricity when vibrated. commercial ones are called “energy harvesters”. They have a cantilever structure that vibrates at a resonant frequency, and it produces electricity. The ones they have currently only produce small amounts of electricity, but they’ll keep a battery charged.
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