24 January 2022

Red + Green = Yellow

 Physics is watching the surprise on students faces when you mix red and green light and get yellow ... and they won't believe you saying it is a trick. These are A level students. #iteachphysics




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Seeing the Invisible – Electrons in a Cathode Ray Tube

Seeing the Invisible – Electrons in a Cathode Ray Tube Electrons… tiny, negatively charged particles that you can’t see, touch, or smell. Y...