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CT scan for molecules

Article Abstract:

Researchers at Canada's National Research Council in Ottawa have produced a three-dimensional scan of the outermost electron orbital around a nitrogen molecule. The 'shutter speed' of the imaging method is fast enough that scans might one day be taken of molecules caught in the middle of a chemical reaction.

Author: Collins, Graham P.
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2005
Analysis, Usage, CT imaging, CAT scans, Molecular orbitals

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Doubts on dinosaurs

Article Abstract:

An asteroid or comet 10 to 14 kilometers wide was believed to crash into the present-day Yucatan Peninsula 65 million years ago wiping out the dinosaurs. Most scientists consider the Chicxulub impact crater, which is 145 kilometers wide, to be the evidence of this Cretaceous-Territory extinction.

Author: DiGregorio, Barry E.
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2005
Science & research, Research, Asteroids, Craters, Impact craters

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Subjects list: United States
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