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When the company behind the gesture technology in the Kinect came to CES a year ago to show how its 3D sensors can enable people to control their TVs with simple gestures, its execs talked about how their sensors eventually would be embedded in mobile devices, opening up a range of possible applications. PrimeSense's new 3D sensor, called Capri, is 10 times smaller than its current sensor and, according to the company, the smallest in the world. The design, says PrimeSense, allows for improved capabilities that it says will soon find its way into PCs, tablets, laptops, phones, various robots, and much more.

The last time your doctor asked how much you exercise, did you tell the truth? Do you even really know the truth-not just how many visits to the gym you've made this month, but how many hours you sit or how many calories you burn in a day? What if your doctor had already received the information from a tiny device built into your cell phone, wallet, or undershirt? Sonny Vu believes a device like this could fundamentally change health care. "You can't just lie to your doctor-it's all there, recorded," he says. "You cut right to the chase rather than having to tease out all that information."

Body area network (BAN), wireless body area network (WBAN) or body sensor network (BSN) are terms used to describe the application of wearable computing devices

This is a fascinating piece exploring the world of electronics and its relation to biology. Particularly the nervous system. It explains the lessons we are learning from the brain in how to produce amazing efficient yet powerful computational devices. 

This is circuitry with a real twist that's able to monitor and deliver electrical impulses into living tissue. Elastic electronics are made of tiny, wavy silicon structures containing circuits that are thinner than a human hair, and bend and stretch with the body. "As the skin moves and deforms, the circuit can follow those deformations in a completely noninvasive way," says Rogers. He hopes elastic electronics will open a door to a whole range of what he calls "bio-integrated" medical devices.

London surgeons are currently trialling Kinect's motion control capabilities at St Thomas' hospital in London. The devices are being used during keyhole surgery to allow surgeons to manipulate images with voice and gestures.