How Do They Do It? S13E12 — Emergency Bridges, Marker Pens

How Do They Do It?•Season 13•Episode 12

Emergency Bridges, Marker Pens

Oct 31, 201622 min

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?

Previous episodeE11 · Snails, Cutlery, Fishing Kayaks Next episodeE13 · Crystal Glass, Flat Screen TVs

Seasons17

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Season 13 Episodes20

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Episode Summary

"Emergency Bridges, Marker Pens" is episode 12 of How Do They Do It? season 13. It aired on October 31, 2016.

Next: E13 · Crystal Glass, Flat Screen TVs Best of Season 13