Maths, locks & sewing machines: the beauty of educational GIFs

Loving the educational GIFs popping up around the place. This one, which I saw on an IFLS post that pulls together 21 maths GIFs, demonstrates ‘how to make an ellipse’. It’s from giphy.com. This one I find so simple but so illuminating. A GIF from NikolayS that shows how a sewing machine makes a stitch. […]