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.
1 Physiological noise is distraction caused by hunger, fatigue, headaches, medication, and other factors that affect how we feel and think. 2  Physical noise is interference in our environments, such as noises made by others, overly dim or bright lights, spam and pop-up ads, extreme temperatures, and crowded conditions.