Sentences with phrase «large electrical discharge»
Ever since Benjamin Franklin's time lightning has been understood to be a large electrical discharge similar to that seen when a conductive object (like a metal doorknob) is touched after a static electric charge is picked up (by feet scuffing across carpet, for example).
https://www.scientificamerican.com/ Not exact matches
Three images, left to right, of the same thundercloud depict a less - than -10-milliseconds-long sequence of events: (left) formation within the cloud of a small channel, or «leader,» of electrical conductivity (yellow line) with weak emission of radio signals (ripples), to (middle) a burst of both dark lightning (pink) and radio waves (larger ripples), to (right) a discharge of bright lightning and more radio waves.
Sprites are large - scale electrical discharges occurring high above a thunderstorm cloud, giving rise to a varied range of intricate shapes, occurring roughly 30 to 60 miles above the Earth's surface.