Reviews of topical problems

V.P. Budaev “Stochastic clustering of materials at plasma—surface intensive interaction” Phys. Usp. 69 (9) (2026)

R.A. Ganeev “Generation of higher harmonics in laser-induced plasma” Phys. Usp. 69 (9) (2026)

On the 70th anniversary of the Joint Institute for Nuclear Research. Instruments and methods of investigation (JINR)

V.L. Aksenov “Resonant neutron reflectometry” Phys. Usp. 69 (9) (2026)

Instruments and methods of investigation

N.A. Grigoryeva, E.A. Kravtsov, S.V. Grigoriev “Time-of-flight neutron reflectometers at the compact neutron sources for industrial applications” Phys. Usp. 69 (9) (2026)

Methodological notes

A.A. Ruzmaikin “On weather extremes caused by climate warming” Phys. Usp. 69 (9) (2026)

Scientific news

Yu.N. Eroshenko “Physics news on the Internet: September 2026” Phys. Usp. 69 (9) (2026)

Personalia

UFN Editorial Board “Mikhail Valentinovich Kovalchuk (on his 80th birthday)” Phys. Usp. 69 (9) (2026)