New LED technology has potential to benefit firefighters, miners, the military, plumbers and households. (Source:University of Melbourne) Your smart device could soon be even smarter with a new infrared light emitting diode (LED) that is ‘tuneable’ to different wavelengths of light – it could enable your fridge to tell you when your food is going off and your phone to tell you if that Gucci purse is real. The technology has been developed by the University of Melbourne, the Lawrence Berkeley National Laboratory, the University of California, Be...