Researchers 3D-print WiFi-connected objects that don't need power
The objects contain antennas that reflect surrounding WiFi signals.
Your future devices might not need wireless radios
Gadgets may use ambient radio waves to talk to each other.
Backscatter X-ray gun will help police hunt contraband
Though "strip-search" backscatter X-ray machines were pulled from US airports for privacy reasons,...
Phoenix's Sky Harbor airport puts omniscient X-ray to use
We don't envision very many people enjoying the idea of having TSA employees seeing every curve thei...
Phoenix airport set to test all-seeing x-ray
Phoenix Sky Harbor International Airport looks to have the distinct honor of being the first airport...