Sound Waves - The Symphony of Physics - Using Sound episode 2

Sound Waves - The Symphony of Physics - Using Sound episode 2: Dr Helen Czerski examines the extraordinary messages sound waves carry and how they help us understand the world around us.
Last Science posts on HDclump.com:
https://hdclump.com/sound-waves-the-symphony-of-physics-making-sound-episode-1/
https://hdclump.com/colour-the-spectrum-of-science-episode-1/
https://hdclump.com/colour-the-spectrum-of-science-episode-2/
https://hdclump.com/colour-the-spectrum-of-science-episode-3/
https://hdclump.com/gravity-and-me-the-force-that-shapes-our-lives/
https://hdclump.com/the-gene-an-intimate-history-episode-2/
https://hdclump.com/the-gene-an-intimate-history-episode-1/
https://hdclump.com/the-story-of-science-episode-3-how-did-we-get-here/
https://hdclump.com/the-story-of-science-episode-2-what-is-the-world-made-of/
https://hdclump.com/the-story-of-science-episode-1-what-is-out-there/
https://hdclump.com/the-story-of-electricity-episode-3-revelations-and-revolutions/
https://hdclump.com/the-story-of-electricity-episode-2-the-age-of-invention/
https://hdclump.com/the-story-of-electricity-episode-1-spark/
https://hdclump.com/secrets-of-the-super-elements/