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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The Ink Spitting Autowriter
The Ink Spitting Autowriter
A factory was testing a new auto writing system. It went haywire when a big fork truck passed by. What was causing this?
Mysteries of Science

Process Change Causes Spots
Process Change Causes Spots
After implementing line improvements, tiny bright spots appeared on the surface of newly made circuit boards. What was the cause?
Mysteries of Science

The Mysterious Pink Snow
The Mysterious Pink Snow
One morning after a snowstorm, the morning shift at Allied Chemical was greeted in the parking lot by pink snow. What caused this strange event?
Mysteries of Science

Was the Contamination From Silicone?
Was the Contamination From Silicone?
Black enamel was sprayed onto metal followed by a clear coating when a contamination problems surfaced. What was causing the contamination?
Mysteries of Science

The Metallic Paint Secret
The Metallic Paint Secret
A technician determined how super-bright metallic paint was made without analyzing the material. How could this be done?
Mysteries of Science

Attack of the BLOB!
Attack of the BLOB!
Joe came home from work one day to find his house covered in a mysterious foam-like blob material. What was the mysterious foam and where did it come from?
Mysteries of Science

What Caused the Mysterious Spots?
What Caused the Mysterious Spots?
One afternoon big round blank spots in a roll of metalized film were detected. Were the defects in the film-coating process?
Mysteries of Science

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