As artificial intelligence and data centers demand more power from the grid, Carnegie Mellon University is improving a key technology at the heart of America's energy future—batteries.

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Best Buy’s “Techtober” sale, which runs from October 6 through October 12, competes directly with Amazon’s Prime Big Deal ...

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Pumped storage power plants like Raccoon Mountain operate on a different principle. These are giant battery replacements. In them, electricity is first used to pump a large volume of water from the ...

Pumped hydroelectric energy storage in sediment-laden rivers can lead to equipment failure and higher maintenance costs.

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Thousands of miles from home, Chinese migrant workers run the nickel-processing plants that do the dirty work of the clean ...