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Shattered! conventional armor-grade PMMA hit by projectile

This slow-motion video demonstrates what happens when a piece of conventional armor-grade polymethyl methacrylate (PMMA) is hit by a high-momentum projectile (the momentum is eight times higher tha...  
 
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Choice777 (1 month ago) Show Hide
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why does it look like it's compression from the left side ? the quality is a bit poor. is the bullet compressing it before shatering it ?
HypersapienQ (10 months ago) Show Hide
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Mythbusters needs an Aerogel myth!!!
kxantonxk (1 year ago) Show Hide
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90-99% of aerogel is air!!!
chych7 (1 year ago) Show Hide
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PMMA is polymethyl methacrylate. AKA plexi-glass, or acrylic. How is this aerogel, which is silicon dioxide + air?
Drydareelin (2 years ago) Show Hide
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cooool
beatsiz (2 years ago) Show Hide
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It looks like glass and stuff but its really just 99.8% air  yes air its basically just a structure of hollow nano balls connected to eachother
markeyboy9944 (2 years ago) Show Hide
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coooooooooool
pengy220 (2 years ago) Show Hide
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Wow. Just, Wow.

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