"Give yourself a sixth sense for wireless networks"

http://blog.makezine.com/archive/2007/12/give_yourself_a_sixth_sen.html?CMP=OTC-0D6B48984890

"
I Make Projects writes -

    Amaze your friend(s) and terrify your enemies by granting yourself
the ability to supernaturally sense wireless network hotspots! (Well,
apparently supernaturally, anyway.) You will easily and quite
literally "feel" wireless access points in the vicinity and
automatically sense their signal strength as easily as you feel the
wind on your cheek. All you need is a few parts and some careful
electronics work. "

-- 
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