Sometimes water isn’t needed. When the heat isn’t enough to boil lots of water, or when the plumbing would be too complicated for the application, it’s possible to directly generate electricity directly from the heat. It’s not as efficient, but it’s useful in some cases. For example: low power, long lifespan spacecraft like New Horizons.
Radioactive material doesn’t directly provide nuclear power, it just heats water for steam power.
Unless one is using specialized equipment like an e-bow or sustainiac pickup, guitars and bass guitars don’t have sustain. They just have decay.
Isn’t the same true of gas and coal power?
Yeah they don’t have sustain either.
Sometimes water isn’t needed. When the heat isn’t enough to boil lots of water, or when the plumbing would be too complicated for the application, it’s possible to directly generate electricity directly from the heat. It’s not as efficient, but it’s useful in some cases. For example: low power, long lifespan spacecraft like New Horizons.