What if...

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Fred

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Lilly

„ Every source of light creates a shadow behind the lightproof object. “
„ Correct. Therefore, we have to use two sources of light to create two shadows. The object needs to be hit by light from two sides. “
„ But how is it possible to create two shadows with only one source? If an object needs to be hit by light from two sides in order to create two shadows, we might need to divert the light coming from one source in order to make it come from two sides. What could help? “
„ I think I just found the answer to that question. “

Fred found a solution. How about you? Close the window and answer the question if you also know the answer. If you do not have an idea yet, do not worry. Close the window and work on the other hints.



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