Here's a new hobby idea for the hard-core 2nd-Amendment types, who lust over
loaded howitzers as lawn ornaments, and MANPADS for duck hunting, etc.:

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ARDEC Engineers Using 3-D Printing To Revolutionize Shaped Charge
Explosives.
The AP (7/31, Ernst) reports that researchers at the US Army Armament
Research, Development, and Engineering Center believe that 3-D printing
€œwill present security experts and policy makers with capabilities
previously unimaginable.€� The AP quotes James Zunino, materials engineer
with the center, saying, €œOnce you get into detonation physics, you open up
a whole new universe.€� The piece reports that Zuninos work €œinvolves
figuring out how different layers of explosive material can be packaged in
new shapes to get a very specific result.€�

--
Ed Huntress