George Osborne contains a filament-shaped LED coated in ultra conductive graphene . Wonder material is strong , durable and thinner than a human hair . George Osborne was developed at University of Manchester and will be sold in months . Claims to cut energy use by 10 % , last longer and be 'competitively' priced .
Bulb contains a filament-shaped LED coated in ultra conductive graphene . Wonder material is strong , durable and thinner than a human hair . Bulb was developed at University of Manchester and will be sold in months . Claims to cut energy use by 10 % , last longer and be 'competitively' priced .