‘Solar windows’ change from transparent to tinted at high temperatures, blocking the sun while generating electricity

Berkeley chemists devised a new type of photovoltaic out of cesium-doped perovskite that not only provides power but also doubles as a tinted window.

How Amazon Rebuilt Itself Around Artificial Intelligence

IN 2014, Srikanth Thirumalai met with Jeff Bezos. Thirumalai, a computer scientist who’d left IBM in 2005 to head Amazon’s recommendations team, had come to propose a sweeping new plan for incorporating the latest advances in artificial intelligence into his division.

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