Field-testing body armor by shooting it

The backyard ballistics people at Box O' Truth took some of the material that goes into body armor, laid it over blocks of clay, and shot it with a bunch of different weapons, writing up the results in humorous science-fair style:

We decided to try a round of 9mm Ball because that is most commonly used in the Sandbox.

Notice how it flattened out the ball.

Link

(Thanks, no name!)