LED lights point shoppers in the right direction
Thursday, January 26, 2012 - 12:04 in
Astronomy &
Space
Looking for an item in a large department store or mall can be like searching for a needle in a haystack, but that could change thanks to a hybrid location-identification system that uses radio frequency transmitters and overhead LED lights, suggested by a team of researchers from Penn State and Hallym University in South Korea.
Read the whole article on Physorg
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