Lightning is a naturally occurring electrostatic discharge during which two electrically charged regions in the atmosphere (inside a single thundercloud or cloud-to-cloud) or ground temporarily equalize themselves, causing the instantaneous release of as much as one gigajoule of energy. Lightning causes thunder, a sound from the shock wave which develops as gases in the vicinity of the discharge experience a sudden increase in pressure. Scott et al, 2014, suggest … Continue reading Grand Solar Minimum and Increase in Cosmic Rays Behind Lightning Attacks That Killed 107 People in India Overnight and Longest Megaflash in Time (Argentina) and Distance (Brazil)