/u/The_Dead_See's posts in /r/askscience
Why is it that if you try to focus on a retina after-image after glancing at a bright light, it seems to move slowly out of your field of vision. But if you blink, it's right back front and center again?
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What causes the lingering cough that can last for weeks after a bad cold? Is the body still fighting small populations of the virus?
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If all black holes have a singularity at the core, why do we speak about large and small black holes?
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Is there any interpretation of quantum entanglement that sees the entangled particles as projection points of a third source point?
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