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How this trippy illusion will make you see an “expanding black hole”

This “expanding hole” illusion can trick your brain into thinking you’re entering a cave or tunnel. (Image credit: Frontiers of Human Neuroscience) (opens in a new tab) A brand new optical illusion tricks most people into believing that a dark “black hole” region in the center of a stationary image is rapidly expanding, as if …

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A black hole formed by an unbalanced merger may have gone wrong

Astronomers have discovered the first solid evidence that merger events between black holes can provide a “kick” powerful enough to knock a black hole out of its galaxy. The team, which included Vijay Varma, a physicist at the Max Planck Institute for Gravitational Physics, Albert Einstein Institute, Germany, examined gravitational wave data from the meltdown …

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