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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In a word – yes, you’re right. It’s actually amazing how many modern technologies come back to “making a thing spin”. Power generation? Working out a way to make a turbine spin. Fridge? Making an engine spin. Washing machine? Spin. Car? Spin. Airplane? Spin. Heating? Spin. Cooling? Believe it or not, also spin.
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