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Sound Waves: The Symphony of Physics
Dr Helen Czerski investigates the science behind the sounds we're familiar with and the sounds that we normally can't hear, from Big Ben to the Stromboli volcano.
Sijhawm Sawv: 60:14 feeb
Zoo: HD
Hnub Ib Hnub Huab Cua: Mar 02, 2017
Hnub Kawg Cua: Mar 09, 2017
Zaum: 2 Zaum
Lub Caij: 1 Lub Caij
Cov ntsiab lus : physics
