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.
The Air Duct Silencer, from ALAN Manufacturing, reduces noise (like furnace noises, speech, loud music, booster fans, etc.) that travels through ductwork. It installs between the source of the noise and location which noise is emitting, as close to the source of the noise as possible.