Invisible Glass Stirrer Experiment

Invisible Glass Stirrer Experiment


  • Glass stirrer


Pour Glycerine into the Beaker and then immerse the Glass stirrer the Beaker.

What Happens

The Glass stirrer looks like a ghost like object in the container, almost invisible.


The real secret behind this science experiment is the index of refraction. When light travels through the glass, and then through the Glycine, the speed of light slows down and then it hits the glass and refracts or reflects and this is why the glass stirrer looks invisible.


Do this experiment with glasses of different shapes and sizes to see what kind of an effect it has on them. You will find that not all glasses have the ability to vanish.

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Abdul Rauf

Teacher, Innovator, Love to create, explore new ways to view & imagine things and then make them real

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