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Sam Wilsdorf, 13, explains his project Friday morning to associate professor Zahra Afrasiabi, left, and professional engineer Ross Kasmann during the 30th annual Lincoln University Regional Science Fair in Jason Gymnasium. Wilsdorf, a seventh-grader at St. Patrick’s School in Rolla, measured the voltage of several types of food. “The potato didn’t actually do that well,” Wilsdorf said of the vegetable which is sometimes seen powering a light bulb. He found a red apple to have the most voltage. A lime, pickle and lemon also produced more voltage than the potato.

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Tease photo

Interest in science germinates at fair

The rain didn’t dampen spirits of eager students and equally enthusiastic judges Friday at the 30th Annual Lincoln University Regional Science & Engineering Fair.


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