Energy & Green Tech

Recovering rare earth metals from waste permanent magnets

Korea imports 95% of its core minerals such as lithium, nickel, and rare earths. Rare earths, in particular, are characterized by chemical, electrical, magnetic, and luminescent properties that can be achieved by adding only ...

Energy & Green Tech

Poll measures support for revenue-sharing plan on renewable energy

Democrats and Republicans don't see eye-to-eye on much. And they often don't agree on various aspects of renewable energy. But a recent report finds there is one area in which they're pretty much in sync: how certain national ...

Energy & Green Tech

Superhot rock energy could power geothermal systems anywhere

Geothermal energy holds the potential to provide abundant renewable energy at equivalent cost to fossil fuels, and targeted investments could quickly speed its development, according to a new report from Cornell researchers ...

Energy & Green Tech

Burned rice hulls could help batteries store more charge

A closer inspection of ash from burned rice hulls, the hard outer layer of rice grains, revealed a form of carbon that could nearly double the energy density of typical lithium-ion or sodium-ion batteries.

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