/u/Richmond92's posts
The Voyager 2 was successfully contacted from 12 billion miles away. This is cool, partly because it’s 50 years old. But by special relativity, wouldn’t it actually be far “older”?
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Why do I get all sweaty and clammy when I'm resting in a cool climate, but when I'm walking down a street in warm weather, I'm not sweaty, or clammy?
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