Mysteries of Science



Dr. Gilleo
Mysteries of Science are written by Dr. Ken Gilleo. Dr. Gilleo is a chemist, inventor and general problem solver. Ken has been tracking industrial forensics and collecting case histories for decades.
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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.
Mysteries of Science

The Invisible Roof Stacks
The Invisible Roof Stacks
The EPA had photos showing a new stack on the roof of a plant. Upon examination, they found nothing. What happened to the stack?
Mysteries of Science

Can Conductive Ink Shrink?
Can Conductive Ink Shrink?
Poly-Flex was building circuits using conductive ink, but had problems with component junctions. What was causing this?
Mysteries of Science

Where Is the Missing Gold?
Where Is the Missing Gold?
A gold inventory tally made sure gold-in matched gold-out. Why were gold orders going up when sales showed no increase?
Mysteries of Science

Eavesdropping on the Enemy
Eavesdropping on the Enemy
The military wanted to listen to the enemy from overhead. What type of aircraft would be quiet enough to make listening possible?
Mysteries of Science

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