77 Steps

99% Invisible · Jun 6, 2018 · 23m

As the U.S. war effort ramped up in the early 1940s, the Navy put out a request for chair design submissions. They needed a chair that was fireproof, waterproof, lightweight and strong enough to survive a torpedo blast. In response, engineer named Wilton C. Dinges designed a chair made out of aluminum, bent and welded to be super strong.

To show off the durability of his creation, Dinges took it up to the eighth floor of a hotel in Chicago, where the Navy was examining submissions, and threw it out of the window. It bounced, but didn't bend or break.

And so the Navy gave its inventor the…