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.
Sound can travel through anything made of molecules-even water! There is no sound in space because there are no molecules there to transmit the sound waves. Electromagnetic waves are different from sound waves because they do not need molecules to travel. This means that electromagnetic waves can travel through air and solid materials-but they can also travel through empty space. This is why astronauts on spacewalks use radios to communicate.