3 موسم
46 قسط
Why Is It So? - Season 3 Episode 2
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.
- سال: 2012
- ملک: Australia
- صنف:
- اسٹوڈیو: PBS
- مطلوبہ الفاظ:
- ڈائریکٹر:
- کاسٹ: Julius Sumner Miller
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