Why Is There A Bobbin?
It's 1935, and the bobbin just ran out again. Most people learned to rewind it faster. Beulah Louise Henry asked why the bobbin was there at all, and she earned 49 patents asking questions like that one. This human innovation story looks at the workarounds we stop noticing.
Breathing Devices, Hair Care Products, Traffic Signals — One Inventor
A sewing machine repairman with a sixth-grade education invented a breathing device, a hair care line, and the traffic signal — and once walked into a gas-filled tunnel wearing his own invention to pull men out alive. The story of Garrett Morgan, and the mindset behind it.