/u/GiantsInTornado's posts in /r/askscience
When scientists say that an animal can see in only certain colors or wavelengths or whatever, how do they know?
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How can I determine how much light (lumens) is striking the surface of the moon, which is measure in footcandles?
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If scientists were able to create a singularity on Earth, how small/big would it be to cause damage ranging from locally to say global implosion?
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Is there a jet that could stay inside totality for the length of the eclipse and how fast would it have to go?
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Does it matter how we identify the North and South poles as magnetic north and south or could the names be switched?
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