Vorticity regulates waves in fluids

A study by Politecnico di Torino published in the journal Physical Review E demonstrates that a wave in a fluid requires amplified vorticity and not only amplified energy in order to change the nature of the flow

When nuclei catch up with electrons

In an attosecond study of the H2 molecule, physicists at ETH Zurich found that for light atomic nuclei, as contained in most organic and biological molecules, the correlation between electronic and nuclear motions cannot ...

Hot vibrating gases under the electron spotlight

Natural gas is used in refineries as the basis for products like acetylene. The efficiency of gaseous reactions depends on the dynamics of the molecules—their rotation, vibration and translation (directional movement). ...

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