Bok
07-01-2011, 01:28 AM
Experimental cloak makes objects sound like they aren't there
More... (http://sciencenews.org/view/generic/id/331994/title/You_havent_heard_it_all)
More... (http://sciencenews.org/view/generic/id/331994/title/You_havent_heard_it_all)