How airplanes counteract St. Elmo's Fire during thunderstorms
Tuesday, August 11, 2020 - 08:10
in Physics & Chemistry
At the height of a thunderstorm, the tips of cell towers, telephone poles, and other tall, electrically conductive structures can spontaneously emit a flash of blue light. This electric glow, known as a corona discharge, is produced when the air surrounding a conductive object is briefly ionized by an electrically charged environment.