This occurs in even the stiffest of objects, like concrete. This is what scientists call thermal expansion and contraction — and it is exactly what you hear happening in your television set.

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that allows for thermal expansion and contraction due to changes in weather to prevent concrete from creaking," KYTC officials said. The joint replacement project costs $6.9 million and is ...

"Expansion joints are a component of the bridge deck, or travel surface, that allows for thermal expansion and contraction due to changes in weather to prevent concrete from creaking," KYTC officials ...