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12 February 2012

Fractures on a seismic sign

Fractures on a seismic sign

On the campus of the University of Texas at El Paso, there is a sign for the Kidd Seismic Observatory. The sign has seen some brittle deformation of its reflective letters. I infer this due be due to differential shrinkage of the letters (relative to the sign they are attached to) in the intense Texas heat. I like seeing deformation in materials other than rocks. This is a neat example …

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