Manufacturing in the spotlight
A group of high school students stood wide-eyed as student at Wisconsin's Chippewa Valley Technical College dropped a metal ball that seemed to defy gravity as it fell through a simple copper tube. It fell slowly through the tube as if moving in molasses, never touching the sides. The demonstration of electromagnetic forces took place in the Nano Engineering Technology area of CVTC's Manufacturing Education Center last March at the annual Manufacturing Show, which returns for a third year March 6.
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