Reviews of topical problems

Yu.G. Rudoi, A.D. Sukhanov “Thermodynamic fluctuations within the Gibbs and Einstein approaches” Phys. Usp. 43 1169–1199 (2000)

A.B. Shvartsburg “Dispersion of electromagnetic waves in stratified and nonstationary media (exactly solvable models)” Phys. Usp. 43 1201–1228 (2000)

Methodological notes

G.B. Malykin “The Sagnac effect: correct and incorrect explanations” Phys. Usp. 43 1229 (2000)

From the history of physics

V.I. Kogan “The discovery of the Planck constant: ’roentgenoscopy’ of the scientific situation (1900). Missed opportunities in the choice of the Second Step (on the centenary of the First Step of quantum theory)” Phys. Usp. 43 1253–1259 (2000)

M.S. Aksenteva “The journal ’Kvant’ is only 30 years old after all!” Phys. Usp. 43 1261–1262 (2000)

Personalia

A.I. Erokhin, V.P. Zaitsev, S.V. Krivokhizha, O.N. Krokhin, V.V. Morozov, P.P. Pashinin, L.P. Presnyakov, L.M. Sabirov, I.I. Sobel’man, I.L. Fabelinskii, I.A. Chaban, L.L. Chaikov “In memory of Valentin Sergeevich Starunov” Phys. Usp. 43 1263–1264 (2000)

V.L. Ginzburg, G.T. Zatsepin, N.N. Kalmykov, G.F. Krymskii, G.V. Kulikov, V.A. Matveev, M.I. Panasyuk, V.A. Rubakov, V.A. Sadovnichii, A.N. Skrinskii, Yu.A. Fomin, A.E. Chudakov “In memory of Georgii Borisovich Khristiansen” Phys. Usp. 43 1265–1266 (2000)

Letters to the editors

R.I. Khrapko “What is mass?” Phys. Usp. 43 1267–1270 (2000)

L.B. Okun “Reply to the letter ’What is mass?’ by R I Khrapko” Phys. Usp. 43 1270–1275 (2000)

Physics news on the internet

Yu.N. Eroshenko “Physics news on the Internet (based on electronic preprints)” Phys. Usp. 43 1276–1276 (2000)

Bibliography

E.V. Zakharova “New books on physics and related sciences” Phys. Usp. 43 1277 (2000)