![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgkJVwFQvsZUm3MwGk2C5kgITAdcDzhD4SKq58jfOAFUrOq3gm8Zh7XdAFCkiv9Yljh4A8IFzP3LA2KYd-fJzHNjciumWT7btcKQ9cWVep0kMkZsKG0GSReAfhTPGtSphyZxLuN3zmcXa4/s320/080807-thin-balloon-01.jpg)
Scientists have developed the world's thinnest balloon that is impermeable to even the smallest gas molecules. Above is a multi-layer graphene membrane that could be used in various applications, including filters and sensors. Credit: Jonathan Alden
‘[I] have the greatest admiration for Gandhi and for the Indian tradition in general.’—Albert Einstein, 1950