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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Was It Acid Rain Itch?
Was It Acid Rain Itch?
Something in Jean's environment was not agreeing with her and it was causing her skin to itch. Could acid rain be the cause?
Mysteries of Science

Screen Print Mismatch
Screen Print Mismatch
At a printed circuit shop artwork on the finished sheets did not match up. What was causing this discrepancy.
Mysteries of Science

The Phantom Switch
The Phantom Switch
A flat panel switch turned on but only when a nearby door was slammed shut. What was causing the switch to activate?
Mysteries of Science

What Caused the Viscosity Variations?
What Caused the Viscosity Variations?
Over time liquid encapsulant will thicken. On one occasion the viscosity that was too low. What was causing the viscosity too drop?
Mysteries of Science

Selectively Annealing Metal Panels
Selectively Annealing Metal Panels
A factory was making door trim panels but the metal was cracking when pressed. How did the company prevent the cracking?
Mysteries of Science

RCA TV Soldering Mystery
RCA TV Soldering Mystery
Decades ago RCA had a soldering problem. One day nearly half of the assemblies had to be reworked, but nothing seemed amiss at the board shop. What was the cause?
Mysteries of Science

Tied Up Telephone Lines
Tied Up Telephone Lines
One day a of network phone links between several major plants became tied up. What was causing this phone link problem?
Mysteries of Science

Was Sodium Causing Factory Fires?
Was Sodium Causing Factory Fires?
One summer a factory producing coloring dyes was experiencing many alarms signaling a fire. What was causing these fires?
Mysteries of Science

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