People. Does someone here know of a real-life possible way to generate power by deteriorating metals (making them rust, or something like that).
If so, a mod implementing a feature like that, would be greatly appreciated. (I have my reasons
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@jdog1408 knows what's up.)
Well, rusting is an exothermic process (which is why it... well... happens), so in theory you could extract energy from it... but it's quite slow, so you wouldn't be able to get much energy out of it.
Although there is the method by which hydrogen was first created, by running a little bit of water through a heated iron pipe. The iron pulls oxygen from the water, creating iron oxide (aka rust) and hydrogen gas. You could then burn the hydrogen, either in a combustion engine of some sort or a fuel cell. But I still don't think you'd be able to get much energy that way. You'd burn through iron pipes pretty quickly, which is a problem, although you could smelt the oxide back into iron metal... but doing so would require at least as much energy as you'd get back by rusting the pipe. The second law of thermodynamics strikes again.
And then there's thermite. A mixture of powdered iron oxide and aluminum metal that, when ignited, rather quickly turns into an extremely hot sludge of aluminum oxide and iron metal that will melt through most any container you put it in. And if you ignite thermite atop a block of ice, the heat vaporizes the ice, and then the iron steals oxygen out of the water, creating lots of hydrogen gas very quickly, when then mixes with oxygen in the air and explodes. It's pretty impressive. Look it up on YouTube.
There's also the reaction between alkali metals (lithium, sodium, potassium, rubidium, cesium, and francium (though not usually francium because it's extremely radioactive) (yes, I memorized those)) and water. They, too, steal oxygen atoms from water, releasing hydrogen and a lot of heat, causing boom. In addition, they all have very low melting points (just a little bit above room temperature), so they'll melt pretty quickly when in contact with water, so then all kinds of bubbles and stuff form in the liquid metal, so the surface area goes way up, so the reaction rate goes way up, so the amount of heat and hydrogen gas produced goes way up, so boom. Again, it's all over the YouTubes.
I have heard that some torpedoes use a much more tightly controlled version of this sort of reaction to power their propellers (which makes sense- I mean, one of the reactants is water, after all), and that NASA is investigating using it to power spacecraft because they're running out of plutonium to make RTGs.
The only problem with using this sort of thing as a power source is that none of these metals appear in the earth's crust as native metals- they're all oxides or silicates or something like that. You use energy to smelt the ore, removing the stuff that's not metal, and leaving the metal behind. All of the above processes simply reverse that process, so at best, they could be used as batteries. Quite potent batteries, to be sure, but you're never going to get out more energy than you put in.
Also, FYI, I am aware of your Void of Magitech modpack and its overcomplicated and thoroughly ridiculous metal-generating cycle. All of those machines (on the tech side, at least) use energy, and I'd imagine quite a lot of it. No mod that attempts to generate energy from refined metals via a chemical process in an even slightly realistic way could ever produce nearly enough energy to power even the tech steps.
Uranium, though...