Richard Green: About the Author
Accurate Metallurgical Services

You're at 32,000 feet in an airplane when you look out the window. You observe the wing of the jet moving up and down with the turbulence, like a child bending a coat hanger over and over again until the wire fractures into two pieces. You wonder how many times has this wing flexed. Such work causes fatigue. Fatigue is the science of things that grow tired.