Math + Stovetops


I go conic sections crazy every time I look at the range in my mother’s house. Let’s see, there are ellipses, hyperbolae, and even a circle made from 4 ellipses. Well done General Electric!


  1. Love your blog, guys. I’ve gotten so many great ideas from it.

    Here’s a project my precal students just finished that’s related to this post:

  2. Thaddeus, I love this. I’d love to do something like this. I’d like a tool other than Geometer’s sketch pad. Hopefully, a free web-app. Any ideas?

  3. Hendree,
    Geogebra would work just fine for you. It’s free and actually has more features than Sketchpad.

  4. Oops, I meant to include the download link for Geogebra:

Leave a comment