Energy & Green Tech

New material pushes sodium-ion batteries to phase out costly lithium

With lithium prices over five times higher than they were a year ago, researchers from Skoltech and Lomonosov Moscow State University have developed a material for sodium-ion batteries that offer an alternative to the increasingly ...

Energy & Green Tech

Researchers create highest efficiency 1-sun solar cell

Researchers at the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) created a solar cell with a record 39.5% efficiency under 1-sun global illumination. This is the highest efficiency solar cell of ...

Energy & Green Tech

Will Africa's metals boom suffer the same curse as oil?

Mechanical diggers are hard at work in the bleak landscape of the Moanda open-cast mine in Gabon, using giant jaws to rip out manganese and then dump the ore into trucks with a crash.

Business

Disney streaming booms as theaters grapple with pandemic

US entertainment giant Disney said Thursday its online streaming services have boomed while it grapples with how to release films as the Delta coronavirus variant drives viewers from movie theaters.

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