Worse still is the structural component's shape: notches and sharp corners create concentrations of stress that can initiate cracks.

ECONOMIST: Aircraft fatigue

Combined with other structural reforms, it could shape Europe's economic and political future.

ECONOMIST: Now for the big push? | The

Instead of welding several pieces of steel together as reinforcement (which adds weight), those important structural elements are heated to 900 degrees Fahrenheit, then stamped into the desired shape and rapidly cooled almost simultaneously.

FORBES: Magazine Article