Fun Fact: Graphene is the most conductive material that man has ever created.
1000x more conductive than copper and 1000x cheaper :)
People consider building an elevator into space with strings made of graphene nano tubes
http://www.articlesextra.com/space-elevator-carbon.htm
(http://www.articlesextra.com/main-fotos/space-elevator-1.jpg)
They are also vital in harnessing atmospheric energy:
http://ionpowergroup.com/
Graphene is also the most impermeable material ever discovered. "Even helium atoms cannot squeeze through," Dr Ponomarenko says.
graphene its easy and cheap to make by yourself to use for whatever you want
https://www.youtube.com/watch?v=yXAnvuqeWVc
https://www.youtube.com/watch?v=fvqkH0WLvyc
https://www.youtube.com/watch?v=TLaghpuB1Es