'Speed-trap' radar used to detect concussion

Concussion can be notoriously difficult to detect - but a new radar-based method has been developed that can quickly screen individuals including athletes and soldiers on a battlefield.

Nanogenerator could power cellphone through the beat of a heart

Scientists have created what they say is the first practical nanogenerator, capable of powering a phone or iPod with the beats of the user's own heart.

Augmented reality browser released for iPhone

Georgia Tech has released what it says is the world's first augmented reality browser based on open web standards for the iPhone, with plans for an Android version soon.

Report predicts next year's biggest cybersecurity threats

Social networks, mobile devices and infrastructure systems such as the electric grid will be the main tagets of cybercrime next year, according to a new report.