LEDs are being phased into use everywhere from living rooms to offices to car headlights to street-lighting. Whilst these uses are practical, for something a little more exciting we can look to Nike.

Getting construction workers to put on yet another piece of wearable technology can be an uphill battle, so it’s often better to improve something they already use. That was the reasoning behind the ...

More and more people are tracking their physical fitness with the aid of wearable gadgets and appropriate apps. Optical sensors are suitable for measuring pulse rates and oxygen saturation in blood.