If you're worried about pollutants or chemical attacks, you could surround your home with sophisticated (and expensive) detectors. In a few years, you might be able to do the job with specially engineered plants that instantly change color in the presence of a harmful substance.
The U.S. Bureau of Reclamation is shooting down a key legislative talking point: that the internet "kill-switch" legislation is needed to prevent cyberterrorists from opening the Hoover Dam's floodgates.
A man in southern Georgia, apparently fed up with all the wild hogs on his property but unwilling to spend unnecessary time outdoors, set up a complex network of webcams and powerful shotguns to solve his little problem.
Worried about the bacteria in your water? Just dip a test-strip coated with a special mix of nanoparticles into your glass, and watch the result. If the strip changes color, don't drink. Researchers at the Georgia Institute of Technology and the University of Massachusetts have devised a way to instantly identify…