Jul 13, 2009

Weighing Atoms

Did you know we can now weigh a single atom? European researchers have built a device that can do just that. It may ultimately allow scientists to study the progress of chemical reactions, molecule by molecule. They believe they can push the technology to detect the mass of a single nucleon - a proton or neutron.

Carbon nanotubes are ultra-thin fibres of carbon made from thin sheets of carbon only one atom thick, known as graphene, and rolled into a tube only a few nanometres across. Even the thickest is more than a thousand times thinner than a human hair and are 1000 times stronger than steel. And I thought only Superman was stronger than steel.

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