COSI will reopen to COSI Members on July 8, 2020 and to the general public on July 15, 2020.
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Magnetic Levitation

Participants can see how strong magnetic poles can repel each other with these floating discs. As they press down on the disc, they can feel the magnets forcing the disc skyward. They also see how magnetic levitation can be used for such new technology as maglev trains.