Quote:
Originally Posted by generalbrando
I am posing a challenge to everyone who uses power tools: Take a pair of real safety glasses (they have "Z87" or "Z87+" imprinted in small letters near the edge of the lens). Remove the lens from the frame (it should snap apart - you don't have to break it). Now take a drill with a phillips bit and put a deck screw into the lens. Awesome, huh? It DOESN'T crack. Now take the same lens and hold it steady on a flat surface. Take your favorite hammer and hammer the lens (not the screw). Really hammer it. It doesn't shatter, it only scratches it!
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.... but don't forget to wear safety glasses while trying this experiment...an eye injury doing that would not only be tragic, but it would be pretty ironic
