Eli5 Magnifying glass

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How does using sunlight through a magnifying glass to start a fire work and how does it not violate the whole we can never create more energy then we put into it equation?

In: Biology

3 Answers

Anonymous 0 Comments

Physics rather than biology, the magnifying lens focuses the light so that no matter where on the lens it strikes it all comes together at a single point and with all that light energy in one location it can start a fire.

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