Inverting Spectacles, With Two Fully Rotating Inverting Prisms In A Shielded Spectacle Frame, The Inverting Prisms Produce A Lateral Inversion Of The Rays-The World Thus Turns Upside Down, This Also Enables A Better Understanding Of The Visual Perception Of Babies.
Laser Diffraction Kit, lets students create, view, and measure diffraction and interference patterns, kit includes two laser pointers-red and green - along with a convenient mounting base and a slide set of diffraction objects
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