15 July 2021

Using a Stroboscope to freeze a cord

 Using a Stroboscope to freeze a cord vibrating as a stationary wave. Doubling the strobes frequency we could see the forward and reverse wave in A level #Physics #iteachphysics


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Plastic Sulfur — Making and Watching an Unstable Allotrope

  Plastic Sulfur — Making and Watching an Unstable Allotrope How Can a Brittle Yellow Solid Become Rubbery? Imagine showing a student a samp...