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As if the nation's overexcited and misguided border vigilantes didn't have enough ways to trigger alarms and bedevil the U.S. Border Patrol (whose job is hard enough as it is), University of Arizona researchers have developed Helios, a monitoring system that uses an acoustic sensor to detect moveme...

4 years ago 0 Comments
December 15, 2010 at 4:05PM
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It looks like the U.S. Border Patrol's fleet of aerial drones will soon be getting a bit of land-based backup, with the first of a series of Boeing-built mobile sensor towers recently passing its first key test. According to the company, the 98-foot tall towers will each be loaded up with a full arr...

8 years ago 0 Comments