/u/Year3030's posts in /r/askscience
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During the day when you can see the moon and the sun in the sky at the same time, why is the moon sometimes still a crescent? The earth in theory can't create a shadow if you can see both closely in the sky.
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If we covered the hull of a small boat with super-hydrophobic material would it be really fast or repel water so effectively that it would capsize?
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Fossil fuels get a bad rap these days but would our industrial boom and technological advances have been possible without fossil fuels, and is it likely that the scenario of burning fossil fuels on other planets is a common step to reaching technological maturity?
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