...Physics. 2/2. Dr Helen Czerski examines the extraordinary messages sound waves carry and how they help in understanding the world around us. Also in HD. [S,AD,SL]
...Physics. 1/2. 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. Also in HD. [S,AD]
...Physics. 1/2. 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. Also in HD. [S,AD]