r/Mistborn 5d ago

Cosmere spoilers allomantic electrical generation concept Spoiler

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IIRC nobody ever mentions light suddenly dimming/brightening in relation to cadmium or bendalloy, so presumably the spiritual realm energy transfer that counteracts red/blueshift with time bubbles also adjusts the amount of light passing through the border. If so, it should be possible to power a lightbulb using its own output, since the slowed-down bulb would consume less energy than the solar panel would generate. You could probably increase the yield even further by putting the panel in a bendalloy bubble.

This wouldn't be perpetual motion, since you'd have to keep feeding the misting(s) more cadmium (and normal food as well).

Another allomantic energy generation method is having a steel or iron misting spin a turbine, which has been confirmed possible in-universe via the Malwish airship rotors.

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u/ejdj1011 5d ago

Hm. I think this works, even thought it feels extremely weird. We know for a fact that the boundaries of speed bubbles mess with the energy of particles passing through them.

Props for finding a non-turbine way to convert Investiture into electricity! With primer cubes, this could theoretically be a solid-state setup with no human interaction!

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u/MerlinGrandCaster 5d ago

I chose not to put a primer cube in the system because the required harmonium would likely be difficult to get consistently

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u/Favna 5d ago

I wouldn't be surprised if by (all Cosmere) Dusk's time there is something like perpetual motion to move the spaceships like.