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Did you know?
An old science experiment in schools to show the properties of mercury/quicksilver was to put a nut, a bolt or a screw ontop of it and watch it almost "levitate" above it, as it wouldn't sink into the mercury like it would into water.
An old science experiment in schools to show the properties of mercury/quicksilver was to put a nut, a bolt or a screw ontop of it and watch it almost "levitate" above it, as it wouldn't sink into the mercury like it would into water.