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Sound Waves: The Symphony of Physics
Dr Helen Czerski examines the world of sound waves.
Taimi taimi: 60:14 minute
Tulaga lelei: HD
Aso muamua o le Ea: Mar 02, 2017
Aso mulimuli o le Ea: Mar 09, 2017
Vaega: 2 Vaega
Vaitau: 1 Vaitau
Upu autu : physics