One for the weight weenies...

[rosstheboss]

http://www.bbc.co.uk/news/science-environment-22079592

Crikey!

 

[greenstiles]

Love this kind of stuff......

 

[02gf74]

I see you earogel and I raise you with "lighter than air" material.

http://www.euronews.com/2012/11/01/ligh ... iscovered/