/u/OutdoorsyGeek's posts in /r/askscience
Does matter really exist? Or aren't subatomic particles really just illusions that pop in and out of pseudo-existence millions of times per second?
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If I fly to a planet 5 light years away then turn around and come back all at 99% the speed of light, how much older will I be vs the earth to which I return?
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What toxic microorganisms are likely to grow in a mixture of raw cucumbers, 50% white vinegar & 50% water kept in a jar at 70F for one month?
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