Reviews of topical problems

V.N. Ryzhov, E.E. Tareyeva, Yu.D. Fomin, E.N. Tsiok “Complex phase diagrams of systems with isotropic potentials: results of computer simulations” Phys. Usp. 63 417–439 (2020)

Physics of our days

L.I. Men’shikov, P.L. Menshikov, P.O. Fedichev “Effects of action at a distance in water” Phys. Usp. 63 440–486 (2020)

Instruments and methods of investigation

V.G. Lukin, O.G. Khvostenko “Desorption processes in the measurement of weak currents” Phys. Usp. 63 487–499 (2020)

Methodological notes

A.I. Frank “Interaction of a wave with an accelerating object and the equivalence principle” Phys. Usp. 63 500–502 (2020)

From the history of physics

D.I. Trubetskov, G.M. Vdovina “Traveling wave tubes: a history of people and fates” Phys. Usp. 63 503–515 (2020)

Personalia

A.E. Bondar, A.I. Vainshtein, M.I. Vysotskii, A.S. Gorskii, M.V. Danilov, A.D. Dolgov, A.Yu. Morozov, V.A. Novikov, V.Yu. Petrov, V.A. Rubakov, M.A. Shifman, M.I. Eides “In memory of Mikhail Borisovich Voloshin” Phys. Usp. 63 516–517 (2020)

Bibliography

E.V. Zakharova “New books on physics and related sciences” Phys. Usp. 63 518–520 (2020)

Physics news on the internet

Yu.N. Eroshenko “Physics news on the Internet (based on electronic preprints)” Phys. Usp. 63 521–522 (2020)