(MENAFN- GetNews) You are relying on a simple plastic valve to control water flow, but have you ever wondered how it is made? If a valve fails due to poor manufacturing, it can cause major leaks, ...
At the Manhattan convention of the American Chemical Society (18,000 chemists), Dr. James Bryant Conant, chemist and president of Harvard, looked into his crystal ball (a plastic one, he explained, in ...
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