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bestadvocate: Favorites Profile Featured Favorites Stories Network Total: 1 - Showing 1 to 1 Cool Battery Demonstration (view) (collapse) A very intriguing demonstration about batteries in a university lecture hall. Added 63 months, 2 weeks, 3 days, 13 hours ago [9/1] A very intriguing demonstration about batteries in a university lecture hall. Join discussion... comment (0) | Category: Science

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