April 29, 2013

Image 3: Gold surface as scanned by STM. The image circles are sealed! Image source: Wikipedia.

So what do you do there at the university? Chapter 15: A bit like touching atoms, on an electron tunneling microscope

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This computer graphic depicts the path of comet 2013 A1, (Siding Spring) through the inner solar system. Photo: NASA\JPL-Caltech

New calculations rule out the possibility of the comet hitting Mars in 2014

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