Consumer & Gadgets

RFID tag arrays track body movements, shape changes

Carnegie Mellon University researchers have found ways to track body movements and detect shape changes using arrays of RFID tags. RFID-embedded clothing thus could be used to control avatars in video games—much like in ...

Energy & Green Tech

How wireless recharging works – and doesn't, yet

Though the days of hardwired wall-mounted phones are ending and wireless internet connections are common at home and on the go, people are still dependent on cords to charge their mobile devices. My research, and that of ...

Engineering

Monitoring electromagnetic signals in the brain with MRI

Researchers commonly study brain function by monitoring two types of electromagnetism—electric fields and light. However, most methods for measuring these phenomena in the brain are very invasive.

Engineering

A way to monitor vital signs without touching patients

(Tech Xplore)—A pair of researchers at Cornell University has developed a new way to monitor vital signs in patients—one that does not require direct contact with the skin. In their paper published in the journal Nature ...

Telecom

A 'virtual wall' that improves wireless security and performance

A team of researchers led by Dartmouth College may have finally solved the problem of how to inexpensively improve wireless signal strength for indoor spaces with multiple rooms. The same technology for enhancing office and ...

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