Image of a Molecule

Using an atomic-force microscope, scientists at IBM Research in Zurich have for the first time made an atomic-scale resolution image of a single molecule, the hydrocarbon pentacene.

Atomic-force microscopy works by scanning a surface with a tiny cantilever whose tip comes to a sharp nanoscale point. As it scans, the cantilever bounces up and down, and data from these movements is compiled to generate a picture of that surface. These microscopes can be used to "see" features much smaller than those visible under light microscopes, whose resolution is limited by the properties of light itself. Atomic-force microscopy literally has atom-scale resolution.

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Flying Canoes

Some stories are rather humdrum but I found this one to be absolutely fascinating.

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The Moon

Obama panel says there's not enough money to go back to the Moon. But I'm sure he'll find plenty of money for ACORN and all the other grievance organizations.

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