Watch Black History and Culture Videos all year long ➜
Get smart curated videos delivered to your inbox.   SUBSCRIBE
The Kid Should See This

How to make Leonardo da Vinci’s self-supporting bridge

Watch more with these video collections:

With a series of wooden poles and beams, “Stick-Boy” shows his Dad how to build Leonardo da Vinci‘s self-supporting arch bridge, also known as the emergency bridge. No nails, screws, rope, glues, notches, or other fasteners are holding the bridge in place… just friction and gravity.

self-supporting bridge test
Related Instructables: Da Vinci Popsicle Stick Bridge. Plus: Try Engineering’s Popsicle Bridge Challenge and Scholastic’s Gumdrop Bridge Challenge.

Watch this next: Red PaperBridge, a temporary installation.

via the always awesome DIY.org.

This Webby award-winning video collection exists to help teachers, librarians, and families spark kid wonder and curiosity. TKSST features smarter, more meaningful content than what's usually served up by YouTube's algorithms, and amplifies the creators who make that content.

Curated, kid-friendly, independently-published. Support this mission by becoming a sustaining member today.

🌈 Watch these videos next...

Why was the Golden Gate Bridge considered impossible?

Rion Nakaya

Why is syrup sticky?

Rion Nakaya

Why don’t perpetual motion machines ever work?

Rion Nakaya

Why do spinning rings & spinning disks have different paths?

Rion Nakaya

Why do autumn leaves cause train delays? – Liz Bonnin

Rion Nakaya

Why Can’t We Walk Straight?

Rion Nakaya

Which is stronger: Glue or tape?

Rion Nakaya

Weight distribution on light bulbs and eggs, a physics demonstration

Rion Nakaya

The Sticky Feet of Ants & Cockroaches – Cambridge Ideas

Rion Nakaya