and how this amazing fabric has become ubiquitous in daily life. Explore the chemistry behind what makes kevlar so strong, and how this essential synthetic fiber was invented. The material was ...

If you can evade your assailants for a while, you can convert this backpack into a bullet-resistant vest in seconds ...

On average, bulletproof vests need to be replaced every five years. After receiving a complimentary vest when they join the Chicago Police Department, it is the officer's responsibility to replace ...