Sunday, 5 September 2021

DVD Diffraction

 Simple ways of looking at the diffraction of light using an old DVD, doesn't cost anything and gives students a problem trying to explain why it works as it does. #Physics #iteachphysics #STEM #Science


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Optically active Glucose

  A-Level Chemistry: Viewing a glucose solution through two polarising filters. The light is initially extinguished, but glucose rotates it,...