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Graphene membrane stops Helium from passing through.

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Baghdad Bob   Friday, 01/27/12 07:14:11 PM
Re: None
Post # of 151178 
Graphene membrane stops Helium from passing through.
Practically transparent.
Hundreds of times thinner than a human hair but remained strong, flexible and easy to handle.
Professor Geim added: "Helium gas is hard to stop. It slowly leaks even through a millimetre-thick window glass but our ultra-thin films completely block it.

Despite this, the researchers do not offer any immediate ideas for applications. I got one.

http://www.bbc.co.uk/news/science-environment-16747208

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