Reviews of topical problems

A.V. Eletskii “Carbon nanotube-based electron field emitters” Phys. Usp. 53 863–892 (2010)

Yu.M. Romanovsky, A.N. Tikhonov “Molecular energy transducers of the living cell. Proton ATP synthase: a rotating molecular motor” Phys. Usp. 53 893–914 (2010)

Instruments and methods of investigation

G.A. Gusev, B.N. Lomonosov, V.A. Ryabov, V.A. Chechin “Ice satellites of planets of the Solar System and the on-orbit radio detection of ultrahigh-energy particles” Phys. Usp. 53 915–921 (2010)

From the history of physics

G.B. Malykin “Noncommutative nature of the addition of noncollinear velocities in special relativity and the geometric phase method (commemorating the publication centennial of A Sommerfeld’s work)” Phys. Usp. 53 923–927 (2010)

A. Sommerfeld “On the addition of velocities in the theory of relativity” Phys. Usp. 53 929–931 (2010)

Conferences and symposia

“Commemoration of the 85th birthday of S I Syrovatskii (Scientific session of the Physical Sciences Division of the Russian Academy of Sciences, 26 May 2010)” Phys. Usp. 53 933–961 (2010)

L.M. Zelenyi, A.V. Artemyev, Kh.V. Malova, A.A. Petrukovich, R. Nakamura “Metastability of current sheets” Phys. Usp. 53 933–941 (2010)

A.G. Frank “Dynamics of current sheets underlying flare-type events in magnetized plasmas” Phys. Usp. 53 941–947 (2010)

V.D. Kuznetsov “Space research of the Sun” Phys. Usp. 53 947–954 (2010)

B.V. Somov “Magnetic reconnection in solar flares” Phys. Usp. 53 954–958 (2010)

V.S. Ptuskin “The origin of cosmic rays” Phys. Usp. 53 958–961 (2010)

Personalia

V.S. Beskin, M.A. Vasil’ev, A.V. Gaponov-Grekhov, L.M. Zelenyi, K.P. Zybin, Ya.N. Istomin, L.V. Keldysh, O.N. Krokhin, G.A. Mesyats, L.P. Pitaevskii, M.O. Ptitsyn, V.I. Ritus “Aleksandr Viktorovich Gurevich (on his 80th birthday)” Phys. Usp. 53 963–965 (2010)

Bibliography

E.V. Zakharova “New books on physics and related sciences” Phys. Usp. 53 967–968 (2010)

Physics news on the internet

Yu.N. Eroshenko “Physics news on the Internet (based on electronic preprints)” Phys. Usp. 53 969–970 (2010)