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By Jamie Condliffe on at

You’re looking at a perovskite. Not an Eastern European bird of prey, nor an exotic toy to play with in the wind, but a potential future of solar power. Read more >>

By Sean Hollister on at

Trust us, you really don’t need a camera with a built-in telescope. But in the right hands, the insane 83x optical zoom on the new Nikon P900 is mindblowing. See more >>