Videos of playlist "PLMrtJn-MOYmcFWULptQHogyKqvA9QD47j"
4:23 / Using Candles To See Sound | Soundwaves: The Symphony Of Physics | BBC Earth Science
4:36 / Seeing Sound With Sand | Soundwaves: The Symphony Of Physics | BBC Earth Science
5:53 / Woman Hears For First Time In Over A Year | Soundwaves: The Symphony of Sound | BBC Earth Science
