I remember the days of high school science class when the teacher showed us mercury for the first time. It was definitely one of the more exciting days since science class was typically drawing letters and numbers with arrows pointing various directions on a piece of paper. Not that day though. That day we got to play with a dish of mercury that looked like the liquid metal bad guy in Terminator 2. I remember when the teacher poured a whole vial of the stuff into a wide dish and swished it around; it looked like it had a mind of its own. 

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