Question by Carissa Medina: Which screen size is most effective in blocking magnetism?
I am doing a science fair at school and was wondering what are some facts that can back up my hypothesis.Do you guys know any facts about magnets,which screen size will block magnetism or any suggestions for my project?
Best answer:
Answer by Ray
u need an iron box.
a screen could do it too but you have to know the direction of the magnetic field at that place.
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