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Federico Capasso.

A matter of vision

Federico Capasso believed a flat lens could revolutionize advanced products, devices. But he needed help innovating one, and getting it to market.

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Ellis Monk

Teaching algorithms about skin tones

Google adopts sociologist’s 10-shade scale, which aims to promote inclusion, diversity, help fix problems in facial recognition, other technologies

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The language of dreams

Proficiency, place, emotion, or something else? These late-night conversations defy easy explanation.

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Earth Day panel.

Way forward on climate change

Panel looks at success, failures since 1st Earth Day in 1970, challenges such as Ukraine, U.S. political divisiveness ahead

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