Could This Spray Be the Most Indestructible Coating Ever?

It's used in bullet-proof vest and the walls of major government buildings. But exactly how tough is Line-X and similar polymer products? The Veritasium channel decided to put it to the test and look at the science behind it.

The guys even coated a watermelon in the substance to prove its strength. Granted, the watermelon was still smashed to bits, but the coating never cracked.

Via Veritasium