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> Batteries are also incredibly cheap, and they're getting cheaper too.
I used to be under the impression that battery technology is the main narrow bottleneck in energy, because batteries are expensive, environmentally unfriendly, and difficult to maintain. Was I lied to, or did the technology improve much since I last looked at it?
@thesolarprincess Both. There's been a sustained disinfo campaign against batteries, AND they have improved significantly. In "conventional" battery tech, you have the rapid replacement of lithium with sodium, which is the 6th most abundant element on Earth. In the unconventional realm, you have ingenious solutions like "gravity batteries" that hoist piles of rocks up a mine shaft when the sun is shining, then lower them at night, driving a turbine.
@thesolarprincess There are enough decommissioned mine shafts - widely dispersed all over the world - to meet all the world's power storage needs several times over, AND mines already have high-voltage grid connections to drive their equipment.
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