All in all, this is a fascinating brief history of a powerful but often hidden thread in western ways of thought.

ECONOMIST: The other millennium bug

The common thread is that none of them ever thought they would attend one of their safety schools.

FORBES: Embrace Your Safety Schools (You May Wind Up Going There)

Manipulating the shape of the threads using this method, called thread-rolling, was thought to be impossible because it would be too hard to control the structure of the screw if metal oozed into odd shapes.

FORBES: Magazine Article