Internet

Reddit groups go silent in AI-linked fee clash

Reddit, the hugely popular discussion platform, suffered a major outage on Monday as the site's communities protested new fees being charged to provide access to developers.

Energy & Green Tech

Researchers create more efficient perovskite solar cell

A team of researchers from the University of Toronto has created a triple-junction perovskite solar cell with record efficiency by overcoming a key limitation of previous designs.

Energy & Green Tech

Researchers develop a cobalt-free cathode for lithium-ion batteries

Researchers at the University of California, Irvine and four national laboratories have devised a way to make lithium-ion battery cathodes without using cobalt, a mineral plagued by price volatility and geopolitical complications.

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