Revolving Door: An Introvert's InventionA new entryway built to avoid awkward interactions.

From the show

The Secret Life of Objects

The revolving door wasn't just an energy-saving solution. Legend says its inventor was motivated by a deep dislike for the social custom of holding doors open, creating a mechanical fix for his own awkwardness. This story explores how a personal pet peeve can lead to a world-changing public innovation.