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Comment Someone got this a bit wrong (Score 1) 108

"...and if all goes as planned the printer will automatically insert rebar into the concrete." Actually when creating a foundation the rebar should be laid first and suspended on dobies then concrete is poured on over the metal cage like structure. One can not simply print rebar & concrete simultaneously.

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The perversity of nature is nowhere better demonstrated by the fact that, when exposed to the same atmosphere, bread becomes hard while crackers become soft.

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