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This seems like a really cool technology that also doesn't need much engineering to make it viable. Why isn't it already widespread?
by AlexAndScripts 2y ago
This seems like a really cool technology that also doesn't need much engineering to make it viable. Why isn't it already widespread?
- spxneo 2y agothere is a DIY community around it and because it is so simple to make I just dont see any need to rely on commercial solutions. Literally store sand somewhere and heat it, use it for days or months depending on the setup.