Henry Summer

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But here’s the problem: if cheaply made, it will rot from the inside as water gradually seeps in through tiny cracks in the concrete and rusts the steel. This process is currently destroying infrastructure across the United States;* in twenty or thirty years’ time, China will be next. China poured more concrete in the three years after 2008 than the United States poured during the entire twentieth century, and nobody thinks all of that concrete is made to exacting standards.
Fifty Inventions That Shaped the Modern Economy
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