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With a few snapshots, you can build a detailed virtual replica.
“Contactless” hardware lets phones and gadgets pay with a tap, but the coming plethora of apps that use it may confuse users.
Miniature cell-phone towers can improve patchy coverage and provide super-fast data speeds.
Software lets citizens snap and geographically tag urban blight.
A trial system offers calling, texting, and data by weaving signals around the chatter of baby monitors and cordless phones.
A new system identifies users by their mobile phones.
Users can share information, but the network only sees encrypted data.
Nokia hopes to create a device that could harvest enough power to keep a cell phone topped up.
With a new probe, smart phones can be used to capture and send ultrasound images.
Researchers claim to be able to hijack cell-phone data connections.