Cost of Epilepsy. The total indirect and direct cost of epilepsy in the United States is estimated to be $15.5 billion yearly. This estimate is based on a reported cost of $12.5 billion in 1995 converted to 2004 dollar value using Bureau of Labor Statistics data. 4.
Such explosions happen in many sci-fi movies and TV series, such as when Star Trek's Enterprise destroys an enemy vessel, or when the Nostromo self-destructs in Alien.. The problem here is that sound does not carry in space. Sound is an example of a longitudinal wave. The sound energy moves along by vibrating molecules of gas, liquid or solid.
Other Noise Sources. Not all tire noise is due to the design of the tread pattern. Tires also make noise because the tread elements squirm under the weight of the car and slip over the pavement. At low speeds, some of the easiest places to observe this type of noise are parking garages with polished concrete floors.