Favoriet The circles effect and its mysteries. – George Terence Meaden

This book of the circles is the story of the finding of a previously unrecognised effect in the atmosphere, the plasma-vortex, a species of ‘ball lightning’ and creator of the ubiquitous ‘circles effect’, those aesthetically pleasing rings and circles that appear so spectacularly in the countryside each summer.what are they? And what makes them?