Bok
04-15-2013, 07:19 PM
New device hides objects from sonar
More... (http://www.sciencenews.org/view/generic/id/349673/title/FOR_KIDS_Sound_cloak)
More... (http://www.sciencenews.org/view/generic/id/349673/title/FOR_KIDS_Sound_cloak)
View Full Version : FOR KIDS: Sound cloak