Anytime I buy a tube of Pringles, I'm usually too busy stuffing my face with them to take any notice of their shape.
Though there are the times when I'm trying to make a duck's bill out of two of them, but even then, I have never stopped to think about what their structure actually is.
Well thanks to Dave's World, I now know the scientific name for them...wait for it........a 'hyperbolic paraboloid'.
Dave also tells us some bizarre stories about the men behind the Pringles tube, the frisbee, and the segway.
And the team have a great laugh at Southampton striker Charlie Austin's rant being converted into this masterpiece:
Catch the fun in full by pressing the play button in the image at the top of the page.
