3 Sezon
46 Episod
Why Is It So? - Season 3 Episode 2 Episodul 2 (2012)
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.
- Țară : Australia
- Gen :
- Studio : PBS
- Director :
- Distribuție : Julius Sumner Miller
