Einstein–de Haas effect

Etymology
Named after physicists and, who jointly published the first observation of the effect in 1915. It had been predicted by in 1908.

Proper noun

 * 1)  A physical phenomenon in which a change in the magnetic moment of a free body causes the body to rotate, as a consequence of the conservation of angular momentum.

Translations

 * French:
 * German: Einstein-de Haas-Effekt
 * Italian: effetto Einstein-De Haas