Energy & Green Tech

Adjusted heating process makes batteries last longer

To make batteries that last longer, scientists are creating internal battery structures that don't degrade as quickly as current designs do. In fact, the reason many lithium-ion batteries ultimately fail is that their cathodes, ...

Engineering

Cutting cement emissions at a reasonable cost is within reach

Besides water, cement is used more than any other material on Earth. Its manufacture begins by combining limestone with ingredients such as shale, clay, or sand. This mixture is ground into a powder, heated to 1,400°C, cooled, ...

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