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.
What makes a sound a sound? Sound is vibration of (mostly air) molecules. Humans hear sounds from about 20 Hz (=20 vibrations per second, deepest bass) to about 20.000 Hz (20.000 vibrations per sec., ver â¦ y high sizzling) The vibration is tranmitted from the air to your ear and your brain interprets it as a sound.So actually YOU make a sound a sound :-).33 people found this useful.hat makes a sound a sound? Sound is vibration of (mostly air) molecules. Humans hear sounds from about 20 Hz (=20 vibrations per second, deepest bass) to about 20.000 Hz (20.000 vibrations per sec., ver â¦ y high sizzling) The vibration is tranmitted from the air to your ear and your brain interprets it as a sound.