Energy & Green Tech

Microwave-based method to upcycle old lithium-ion cathodes

Lithium-ion batteries power everything from phones and electric vehicles to grid-scale energy storage and earbuds, but their cathodes—the part of batteries denoted by a plus sign—are expensive to make and rely on minerals ...

Engineering

Going up against the heat: Vertical greenery keeps cities cool

Climate change and urbanization have intensified the urban heat island (UHI) effect, where urban areas are significantly warmer than rural areas. This has, in turn, increased the frequency of extreme heat events, such as ...

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