The Perfect Nanoballoon: How Ultrathin 'Graphene' Carbon Sheets Keep Everything Inside
Thursday, November 27, 2008 - 20:21
in Physics & Chemistry
Airtight containers are not always so airtight. As any child will discover the day after a birthday party, even a tightly tied helium balloon will leak its gas out over the course of many hours. Now scientists have come up with a supremely efficient barrier that lets nothing in or out.