Graphene Light Bulb

A light bulb made with graphene - said by its UK developers to be the first commercially viable consumer product using the super-strong carbon - is to go on sale later this year.

The dimmable bulb contains a filament-shaped LED coated in graphene. It was designed at Manchester University, where the material was discovered.

It is said to cut energy use by 10% and last longer owing to its conductivity.

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