image: An international team of scientists has managed for the first time to observe the 'nutation' of spins in magnetic materials (the oscillations of their axis during precession). The measured ...
THE essential character of periodic movements as defined by Pfefifer is their being recurrent. All “repeated” movements, whatever their cause and mechanism may be, are periodic. Recurrent or periodic ...
IN 1953, Arnal 1 described a characteristic of nutation in Triticum coleoptiles which had been hitherto un-reported. His observation was that the movement of the coleoptile consisted of the ...
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