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Sound Waves: The Symphony of Physics

Series 1

Episode 2: Using Sound

Duration: 59 minutes

on BBC Four

Available for years

Dr Helen Czerski examines the extraordinary messages sound waves carry and how they help us understand the world around us. Show more

BBC Four

About BBC Four

BBC Four reflects arts, music and culture with an ambitious range of intellectually and culturally enriching programmes, taking an expert and in-depth approach to its subjects.