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Mysteries of Science

Mysteries of Science is authored by Dr. Ken Gilleo

Ken Gilleo Dr. Gilleo is a chemist, inventor and general problem solver.

Ken's been tracking industrial forensics and collecting case histories for decades. These cases are taken from the vast world of industry and commercial enteprise.

We hope you enjoy these case histories and you need not be an engineer or scientist to understand the problem and to appreciate the solutions.

For more information visit
www.et-trends.com

Pennies Converted To Dimes

Pennies Converted To Dimes
A vendor was sorting a vending machine's change when he came across some strange looking dimes that looked like silver pennies.
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