✅ Ad Blocker Active: Built-in ad protection is enabled for the best viewing experience!

How Do They Do It?
Season 13, Episode 12
Episode Title: Emergency Bridges, Marker Pens
Air Date: 2016-10-31
Overview:
How do they build emergency bridges that can take the weight of a tank, make a marker pen that never fades, and design a 200-mph superbike?
🎥 Watch Now