/u/dyke_face's posts
What's the smallest amount of collected atoms that can be detected by the human eye (not necessarily molecules because molecules can vary in size)? like a grain of sand, or.. A tiny piece of aluminum or gold.
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If earth had a slower rotation (say, 36 or 48 hours a day) would our climate be overall warmer, colder, more varied (hotter days + colder nights), or no change?
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