2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/84608The brief characteristic of a place and state of modern experimental investigations of a ball lightning on the basis of metastable substance is given.This is the thesis of our report at the III Russian Seminar "Modern means of plasma diagnostic and their application for control of materials and environment", Moscow, MEPHI, November 28-30, 2001Plasma Physicstext