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Concrete's pretty cheap though, isn't it?
by peteretep 10y ago
Concrete's pretty cheap though, isn't it?
- justaguyonline 10y agoCompared to things like lithium-ion batteries or even the lead used in lead-acid batteries, I bet it's dirt cheap. I'd say it's the manufacturing costs that will be the unanswered question.
- peteretep 10y agoCan't you just pour liquid concrete into moulds, and wait a few weeks? Maybe I've just been in South East Asia too long, but there seem to be few problems where pouring large quantities of concrete isn't considered the go-to solution.
- wiz21c 10y agoDepends the point of view. Cement production consumes a lot of energy...
- blunte 10y agoDepends on how you value the environment or human rights... https://www.wired.com/2015/03/illegal-sand-mining/ https://www.wired.com/2015/03/illegal-sand-mining/ https://en.wikipedia.org/wiki/Environmental_impact_of_concrete https://en.wikipedia.org/wiki/Environmental_impact_of_concre...