Wireless power transfer enhanced by metamaterials

(Phys.org)—Over the past decade, research on wireless power transfer has led to the development of several commercial applications, such as wireless charging of mobile devices and electric toothbrushes, as well as wireless ...

Chips in official IDs raise privacy fears

Climbing into his Volvo, outfitted with a Matrics antenna and a Motorola reader he'd bought on eBay for $190, Chris Paget cruised the streets of San Francisco with this objective: To read the identity cards of strangers, ...

NFL players to get tracking chips in shoulder pads

Beginning with the NFL's regular season, players will be equipped with tracking technology in their shoulder pads measuring how fast, far and what routes they run - in real time.

Intelligent blood bags

(PhysOrg.com) -- Have the blood supplies got too warm? Do they match the patient?s blood group? In the future, these kinds of questions will be answered by intelligent radio nodes attached to blood bags. These radio units ...

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