I thought concrete’s never used for tension?
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chromatic tension has been widely used for centuries https://en.wikipedia.org/wiki/Tension_(music) …
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do you have a link to that article? searching the web has provided no good results
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I don't know either, but the idea of paint that changes color under tension or compression appeared in a Daedalus column in Nature (by David Jones), specifically mentioning bridges.
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neat, a reverse skeuomorph of bridge builder
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This is so real, it even works for the new space elevator!
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Hah! Got me. I was amazed, but had no doubt this was real.
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Is this for real?
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Sadly, I don't think so – I thought it was when I RTed.
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