The warm glow of an old electric light-bulb, which has been banned in many countries because it is so energy inefficient, may soon be making a comeback following a breakthrough in “light recycling”.

A collaboration between mechanical engineers from the US and Korea has resulted in the creation of the world's thinnest light bulb, which is made from wonder material graphene. While we've seen ...

More than a century before graphene was isolated in a modern lab, Thomas Edison may have been unknowingly making the wonder material inside his early light bulbs. New experiments suggest that the ...