Explaining the genius of a simple objectfrom @fineasjackson

Transcript

Good at this little wire pin. It looks primitive. It looks like something we should have upgraded by no. Like a relic sitting in your grandmother's sewing kit next to those buttons that she'll never use. But that bent piece of wire is one of the most quietly perfect pieces of engineering ever made and every attempt to replace it has failed. This is Chasing Best episode 52 and today we're looking at the most overqualified object in your junk drawer. In 1849, a mechanic named Walter Hunt was sitting at his desk. He was twisting a piece of brass wire while he tried to figure out how to pay off a $15 debt. In about three hours, he bent that single wire into a coiled loop at one end and the clasp at the other. He then walked it over to a manufacturer and sold the rights for $400. That afternoon of fidgeting produced one of the only consumer products in history whose core design has never been improved upon. Look at what the wire actually does. The coil at the center isn't decorative. It's a spring. It constantly forces the two arms apart. A safety pin's default resting state is wide open. You have to squeeze it against its own will to latch it. Once tucked inside the hood, the spring's outward tension presses the sharp point fiercely against the metal casing, locking it in place. Then there's the clasp, that flat little hood that covers the sharp tier. But pick one up and look at it. That clasp isn't part of the wire. It's a separate piece of stamped sheet metal that's been crimped on, which is funny because Hunt's original 1849 design was all one piece. The clasp was the same brass wire that was folded back on itself. But bending wire back into a reliable channel is tough to do a billion times a year. So at some point, manufacturers split the design in two. That was the only successful redesign in a hundred seventy seven years. But the part that's often overlooked is hunt and invent the concept of a safe pin. Bronze fasteners called fibulae show up in graves from over three thousand years ago. Some were ornate, spring loaded, beautiful. People had actually been shielding the sharp end of the pin for millennia, but those ancient solutions were complex. Multi part brooches, decorative jewelry, status symbols made of gold and ivory. They worse, but they didn't scale as a product. And over the centuries, they were forgotten. Replaced by the straight pin, which simply stabbed through fabric and left the point exposed again. So Hunt's genius was simplicity. Take a problem that people have been over engineering for three thousand years and solve it with a single wire.