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Meteor Armor
#1
This stuff is tuff!    

http://phys.org/news/2016-04-metallic-glass-secret-almostbut-quiteunstructured.html
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#2
That's cool! Yes, I can totally see that being used for impact armor. Maybe not for an entire colony (the radiation shielding will suffice for meteor shielding in most cases), but for things like space suits or observation modules, where full radiation shielding is impractical.

Joe Strout
Lead Developer, High Frontier

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#3
Another material that can do armor and radiation protection.

http://phys.org/news/2016-04-metal-foam-obliterates-bullets.html
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