Tech wonders on homeland security horizon
Americans are facing a brave new world of post-September 11 technology marvels that could soon find their way into billions of dollars of projected homeland security spending.
Gee-whiz know-how - from swarms of tiny airborne sensors to ever-sharper satellite imagery - is being developed by companies chasing potentially lucrative federal, state and local deals to address 21st-century security threats.
At Yahoo! News.
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