xkcd

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submitted 7 months ago by [email protected] to c/xkcd

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Einstein's theories solved a longstanding mystery about Mercury: Why it gets so hot. "It's because," he pointed out, "the sun is right there."

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[–] isles 14 points 7 months ago

You're not a smooth brain if you don't know something, you're a smooth brain if you don't learn something.