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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Dead Phone and the Mysterious Dialer
Dead Phone and the Mysterious Dialer
A home had cable telephone but the phone line started going completely dead, mysteriously fixing itself just before the repairman arrived.
Mysteries of Science

Role of Carbon Ink in Calculators
Role of Carbon Ink in Calculators
Texas Instrument's calculators made in the 80's used a flexible circuit made with carbon ink. What vital part did the carbon ink serve?
Mysteries of Science

Can Motivational Talks Increase Defects?
Can Motivational Talks Increase Defects?
At a factory with high productivity, one worker was skipping break time to increase productivity. Was this causing mysterious defects?
Mysteries of Science

Peeling Paint Only On Wednesdays
Peeling Paint Only On Wednesdays
A line with spray painted parts was running smoothly except on Wednesdays when the paint would peel? Why only on Wednesdays?
Mysteries of Science

Radioactivity Warning Surprise
Radioactivity Warning Surprise
A chemist had a hunch that radioactive contamination might have come from a window. How could a window be the cause?
Mysteries of Science

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