Template:Motd/2011-06-22 (en)

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Video schematically showing the free precession of a nuclear spin (in green) around a magnetic field after a 90° RF excitation pulse (11s).

This is the English translation of the Media of the day description page from .

Descriptions in other languages:

Motd/2011-06-22 (en) Motd/2011-06-22 (fr) Motd/2011-06-22 (zh-hans)