Scientists Invent £2 Energy Saving Lightbulb that Last for 60 Years

A £2 energy saving lightbulb that lasts for 60 years has been developed by scientists at Cambridge University. The researchers have designed a bulb that is three times more energy efficient than today’s best offer and can cut lighting bills by 75 per cent. The bulbs are made using Gallium Nitride (GaN), a man-made substance used in LEDs. It is routinely used in bike lights, mobile phones and camera flashes