Wearable PC will be controlled by facial movements, such as winking or grinding the teeth. The tiny computer will weigh just 17 grams and will be equipped with a GPS, compass, gyro-sensor, battery, barometer, speaker and microphone. Infrared sensors in the ear clip will monitor the small movements in the ear, which vary according to the movements from the eyes or mouth. Once linked with other gadgets via Bluetooth, such as an iPod or smartphone, the device will allow users to...