17:29

The Paperback Revolution

12:34

Where the Rubber Meets the Road: A Brief History of Tires

6:46

Why so many people need glasses now

15:18

A History of Socks

15:05

How to Make Eyeglasses from Scratch

6:15

What Is Astigmatism REALLY Doing To Your Eyes?

55:10

Best of The History Guy: Invention

25:25

i read 700 years of history to fix my glasses