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 some power generators that use piezoelectricity, which is a charge that develops in some materials when subjected to mechanical stress. I don’t think there are any in commercial use for generating useful amounts of power yet, but those light up sneakers that used to be popular are an example of commercial use of a piezoelectric generator.
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