| Atomic
photography |
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| No
ordinary camera can |
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| capture
the motion of |
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| electrons inside an atom. |
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| But
the advent of |
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| ultrafast
laser pulses |
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| brings
the necessary |
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| ‘shutter
speed’ for |
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| snapping
them as they |
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| tumble
between energy |
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| levels
close to the |
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| nucleus. |
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