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Physics 2, 65 (2009) – Published August 3, 2009 We can generally understand the way simple chemical combinations arise by assuming a standard valence structure for the elements, but a high-pressure study suggests that the rules for hydrogen may not be so easily pinned down. |
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Physics 2, 51 (2009) – Published June 22, 2009 Different molecules with nearly identical absorption spectra can be distinguished with the help of shaped laser pulses and adaptive algorithms. |