Musings of a Fondue

Conic Sections & Mirrors

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I wanted to test the statement in this video that only a parabola is capable of focusing to a single point. The interactive graphic on eccentricity on this site gave me an idea of how to approach this.

A couple of Desmos programs later, and with a better appreciation for why Newton invented calculus, here is the end result!

This is probably a round about way to go about it. But hey, it’s also a good excuse to do some maths!

  • Created on July 2015