3 Season
46 Episode
Why Is It So? - Season 3 Episode 2 Sound Waves – Sources of Sound
For sound to be heard, there has to be something to compress. Miller vibrates metal, tears cloth, and blows streams of air through holes to discuss the propagation of sound waves.
- Year : 2012
- Country : Australia
- Genre :
- Studio : PBS
- Keyword :
- Director :
- Cast : Julius Sumner Miller