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TVs keep adding pixels, but the human eye has limits on what it can see

Researchers at the University of Cambridge have measured the resolution ceiling of human vision and found that, at typical ...

Asteroid Bennu's rugged surface baffled NASA—now, we finally know why

In one of the biggest surprises of NASA's OSIRIS-REx mission, its target asteroid, Bennu, turned out to be a jagged, rugged ...