Smartphone Projector Calculator

Provided byOmni Calculatoromnicalculator.com

In this smartphone projector calculator, you will learn how to make your very own DIY smartphone projector with a sho...

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In this smartphone projector calculator, you will learn how to make your very own DIY smartphone projector with a shoebox and a magnifying glass. Experiment with it and learn how to find the focal length of your magnifying glass lens.

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