cnetThis might be unneighborly, since it'd mean that your nosy neighbors can't piggyback off your wireless connection anymore.
But for the price of a can of house paint, this may very well be one of the most cost-effective ways to secure your office wireless network against hackers and freeloaders, particularly in a time of thrift.
Researchers at the University of Tokyo have blended paint with aluminum iron oxide, which has been found to resonate at the same frequencies used by Wi-Fi, thus canceling out any electromagnetic waves in that frequency. It sounds like really cool Minority Report stuff.
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