Reviews of topical problems

R.I. Garber, A.I. Fedorenko “Focusing of atomic collisions in crystals” 7 479–507 (1965)

L.D. Bogomolova, V.N. Lazukin, I.V. Chepeleva “Electron paramagnetic resonance in silicon and germanium” 7 508–548 (1965)

I.M. Lifshitz “Energy spectrum structure and quantum states of disordered condensed systems” 7 549–573 (1965)

V.I. Tikhonov “Effect of fluctuations on the operating accuracy of synchronization equipment” 7 574–591 (1965)

On the 400th anniversary of the birth of Galileo Galilei

V.A. Fok “Galileo's principles of mechanics and Einstein's theory” 7 592–595 (1965)

S.I. Vavilov “Galileo in the history of optics” 7 596–616 (1965)

Methodological notes

Ya.E. Amstislavskii “Lecture demonstration of Young's experiment” 7 617–618 (1965)

New instruments and methods of measurements

N.V. Alekseev, U.R. Arifkhanov, N.A. Vlasov, V.V. Davydov, L.N. Samoilov “Sources of polarized fast neutrons” 7 619–625 (1965)

From the current literature

A.G. Molchanov “Experimental verification of the postulates of the special theory of relativity” 7 626–628 (1965)

Personalia

N.E. Alekseevskii “Petr Leonidovich Kapitza (on the occasion of his seventieth birthday )” 7 629–635 (1965)