Experimental sonic weapons in Japan developed during WWII. Perfected and public: now known as “Active Denial System” in use by the USA. The technology has many possible commercial applications but I believe the patents are being sat on for the time being.
September 5th, 2008 at
Audio “radar” used to detect airplanes before radar actually was developed.
October 22nd, 2008 at
Now everyone is talking about the American economy and eclections, nice to read something different. Eugene
April 15th, 2009 at
My guess is that these were used as alert sirens in the bombing of London during WWII. (?)
April 16th, 2010 at
Now I see where steam punk comes from!
May 10th, 2010 at
Experimental sonic weapons in Japan developed during WWII. Perfected and public: now known as “Active Denial System” in use by the USA. The technology has many possible commercial applications but I believe the patents are being sat on for the time being.
Regards,
L