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Hod Lipson
Restrictions are difficult to enforce in a world where...
Restrictions are difficult to enforce in a world where anybody can make anything.
Hod Lipson
World
,
Restriction
,
Difficult
"Weapons made with 3-D printers could test gun-control efforts" by Michael S. Rosenwald, www.washingtonpost.com. February 18, 2013.
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