Magnetite is easily collected from the island's sand and can be used to entertain kids on the beach. (Clay Wollney) Fifty years or so ago, black streaks on Staten Island's beaches in the sand near the ...
The steady methodical flow of sand through an hourglass as it succumbs to the pull of gravity is a great way to kill time—but not a very productive one. This clever alternative hopes to change that, ...
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