My latest contribution to the New York Times Learning Network’s 15-Minute Lesson Plan series was inspired by Siobhan Roberts’s wonderful article on the geometry of the soccer ball. The Learning Network article is freely available Read more
A snow day snow array! I thought of punching out that one stubborn entry, but let it be in the spirit of wabi-sabi. It’s like the Great British Baking Show’s missing raspberry. Related Posts
I’ve always found it cool that if you double the smaller acute angle in a 3-4-5 triangle you get the larger acute angle in a 7-24-25 right triangle. You can see this as a consequence Read more
3 Comments
we love maths · December 28, 2011 at 10:57 am
Great pic
Anthony Bennett · March 14, 2014 at 7:06 am
May we use the crane / isosceles triangle picture in the book “S is for Science”? Thank you. Anthony Bennett, President, Blue Orb Books 202-321-2366
MrHonner · March 15, 2014 at 7:27 am
Please contact me directly (via my contact page) with a description of your project and the proposed use of my work, and I’ll get back to you.