2025 — international year of quantum science and technology

“From the Editorial Board. On the 100th Anniversary of Quantum Physics” Phys. Usp. 68 (1) (2025)

G. Leuchs “Quantum Science — a wonderful journey, ultimately empowering Technology” Phys. Usp. 68 (1) (2025)

Reviews of topical problems

R.A. Khmelnitsky, N.B. Rodionov, A.G. Trapeznikov, V.P. Yartsev, V.P. Rodionova, A.N. Kirichenko, A.V. Krasilnikov “Problems in homoepitaxial growth of diamonds using CVD method and ways to solve them” Phys. Usp. 68 (1) (2025)

A.V. Shchepetilnikov, I.V. Kukushkin “Electron spin resonance in two-dimensional electron systems” Phys. Usp. 68 (1) (2025)

On the 90th anniversary of the Lebedev Physics Institute of the Russian Academy of Sciences (LPI). Reviews of topical problems

V.S. Lebedev, A.D. Kondorskiy “Optics of plasmon-exciton nanostructures: theoretical models and physical phenomena in metal/J-aggregate systems” Phys. Usp. 68 (1) (2025)

Methodological notes

G. D’Abramo “On gravitational frequency shift derived from energy conservation” Phys. Usp. 68 (1) (2025)

From the history of physics

M.I. Bryzgunov, A.V. Bubley, N.S. Dikansky, N.S. Kremnev, V.A. Lebedev, I.N. Meshkov, A.N. Skrinsky, B.N. Sukhina, V.V. Parkhomchuk, D.V. Pestrikov, V.B. Reva “Half a century of electron cooling development at BINP SB RAS” Phys. Usp. 68 (1) (2025)

Physics news on the internet

Yu.N. Eroshenko “Physics news on the Internet: January 2025” Phys. Usp. 68 (1) (2025)