Used in everything from bullet-proof vests to the walls of the Pentagon, polyurea's strength comes from its long-chain molecules.

Check out How Ridiculous: http://bit.ly/VeHowRidiculous

Snatoms magnetic molecules: http://bit.ly/VeSnatoms

Veritasium on Patreon: http://bit.ly/VePatreon

Special thanks to South Bay Line-X: http://southbaylinex.com/

Thanks to Patreon supporters:

Nathan Hansen, Bryan Baker, Donal Botkin, Tony Fadell, Saeed Alghamdi

Filmed by Prashanth Venkataramanujam

SFX by A Shell in the Pit