Two years ago, researchers at MIT used Wi-Fi signals to see through walls and track a person's movements. The same team has now come up with a new technology that's not only able to discern a person's silhouette through walls, but can also make out different individuals.
.. Continue Reading Wi-Fi signals track and distinguish people through wallsSection: Science
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from Gizmag Emerging Technology Magazine http://ift.tt/1PgbLMJ
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