Freedom

Radar Bankshots for All-City Surveillance

By Noah Shachtman / Wired News
Radars -- especially a high frequency ones -- are very precise. But they can't see around walls and buildings. Which means if your radar is in a plane looking down into a city, you actually can't see all that much -- buildings hide most of the good stuff. Full story...

Posted by Editor at August 14, 2007 06:55 AM