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Millimeters-Thick Metal Foam Armor Obliterates Incoming Bullets | Popular Science

Millimeters-Thick Metal Foam Armor Obliterates Incoming Bullets | Popular Science

For thousands of years, armor was something people wore. Gunpowder, which could launch projectiles straight through metal garments, changed that, and with the invention of the tank in World War I, armor become something people rode inside. The invention of Kevlar in 1965 brought back wearable armor, and then armor-piercing bullets were designed to punch through that.

Source: Millimeters-Thick Metal Foam Armor Obliterates Incoming Bullets | Popular Science