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General Discussion 11

Jello Help!

CCJalapeno | Oct 9, 2015 09:55 AM

Righty, so I am currently an engineering student at the University of Iowa and one of my home work problems is to sort steel balls from plastic balls. My group figured that the plastic balls would bounce off of jello while the steel ones would stick, but even dropped from the ceiling the steel one bounced. Is there any way to keep a bit of surface tension, while lowering it enough to allow steel balls to penetrate the gelatin? Thanks in advance.

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