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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Growing Crystals — Then Deliberately Changing Their Shape

Growing Crystals — Then Deliberately Changing Their Shape Two crystals can come from the same solution and look quite different. What would ...