Though it flattened all the trees in every direction for 30 miles, the airburst that took place over Siberia's Tunguska River left no crater behind.
One grenade tore between two troopers who were just meters apart, detonating behind them with an ear-shattering airburst.
Occasionally, however, a Darwin or Einstein comes along and with a flash of insight as blinding as a thermonuclear airburst, clears the entire landscape.
Russian Meteor Explosion Might Mean Earth Gets Hit More Often Than We Think The latest analysis of the bollide that burst over Chelyabinsk, Russia in February suggests that the risk from such airbursts — which occur when friction in our atmosphere heats up a meteorite — may be greater than previously thought. Meteorite collisions ...
Oct. 7, 2013 - Wired News