Corona discharge Corona discharge A corona discharge is an electrical discharge brought on by the ionization of a fluid such as air surrounding a conductor that is electrically charged. Spontaneous corona discharges occur naturally in high-voltage systems unless care is taken to limit the electric field strength. A corona will occur when the strength of the electric field (potential gradient) around a conductor is high enough to form a conductive region, but not high enough to cause electrical breakdown or arcing to nearby objects. It is often seen as a bluish (or other color) glow in the air adjacent to pointed metal
A Word Child turns stirring, witty, painful and joyous, the novel was received to great critical acclaim on its release. A Word Child A Word Child is the 17th novel by Iris Murdoch. First published in 1975 by Chatto and Windus, "A Word Child" charts the trials and tribulations of the title character, the "word child", Hilary Burde as he attempts to recover his soul from the misery of his troubled past. Filled in the usual Murdoch style with an array of colourful, fully rounded characters who people Hilary's world, the novel is a complex and thoughtful exploration of the possibility and meaning