Wi-Fi Signals May Be Used To Track Your Movement Inside Your House [Science]

Neal Patwari of the University of Utah discovered that breathing affects Wi-Fi signal strength. Chest expansion during a breath bends the wireless signals and they lose some power. This slight drop can be measured and used to calculate your breathing rate. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/tl0RjUH4hPw/wi+fi-signals-may-be-used-to-track-your-movement-inside-your-house

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