01. Making Sound
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.
1h 0min
March 2, 2017
02. Using Sound
Dr Helen Czerski examines the extraordinary messages sound waves carry and how they help us understand the world around us.
1h 0min
March 9, 2017