Join the Hyperthesis team as we return to an episode without a special guest to discuss some interesting scientific phenomena. We begin the episode with a discussion around squeaking or barking sand and how little is known about how this phenomena happens. If you're interested in funding research about this, please let us know! Our main topic today focuses on the field of spectroscopy and how light interacts with matter. Spectroscopy is applied ubiquitously throughout various fields of science. It is an extremely useful method to probe properties of matter. We discuss the principles behind spectroscopy, and we explore its many applications. We end our episode with the story of the life of Lord Rayleigh who discovered the mechanism that explains why the sky is blue.

Check out the Squeaking Sand video by Atomic Frontiers: https://www.youtube.com/watch?v=v29ou094luc\&t=1s

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