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Clean Energy Bill, Heatwave Infrastructure, Etana Teen Innovator. August 5th, 2022, Part 2

Science Friday

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The Power Lines Are Made Out of Metal

The heat wave is pushing the system to its capacity, says John Defterios. The power lines are made out of metal and can expand but have no place to go so they buckle. Even if the tracks themselves have not buckled, train operators are often told to slow down because there's a risk of buckling. And as we see extreme heat events become that much more severe or even prolonged, we're starting to exceed what those particular systems were designed for.

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