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Matt: My solar-powered calculator. How long will it last? Is it a perpetual-motion machine that will go on calculating into the next millennium? Does it have any parts that will die off like any ordinary ...
Susan Luzzaro 4:30 p.m., Dec. 11
David Moye 4:30 p.m., Dec. 11
4 p.m., Dec. 11
Matt Potter 3:30 p.m., Dec. 11
Matthew Suarez 3 p.m., Dec. 11
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