/u/FullSizedForks's posts in /r/askscience
It seems that "salts" can be formed from many different combinations of elements... but do all salts actually taste salty? Or is NaCl (Sodium Chloride) the only salt that would taste "salty"?
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We can tell two similar objects apart by subtle differences in microscopic structures. Can two electrons or two protons be distinguished from each other in a similar way? Are subatomic particles of the same type distinguishable from one another?
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The gravitational waves detected earlier this year originated from the merging of two black holes in a distant galaxy. How powerful would these waves have been had the black holes been located in the Milky Way? How close to Earth could such a merge occur before it would threaten the planet?
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