Math-Frolic!

  Of points, planes, and spindles: https://www.futilitycloset.com/2022/03/10/the-seven-spot-problem/

  Once again, an offering from Futility Closet : https://www.futilitycloset.com/2021/12/16/network/

Getting homework help from the best: https://mindyourdecisions.com/blog/2021/10/26/when-albert-einstein-helped-a-14-year-old-student-with-ma...

  From Presh Talwalkar yet another triangle geometry problem to end the week: https://mindyourdecisions.com/blog/2021/08/16/triangle-stripes...

  A little John Conway courtesy of Futility Closet : https://www.futilitycloset.com/2021/08/15/the-conway-circle-theorem/

  A fun li'l Twitter geometry thread from yesterday: https://twitter.com/DavidKButlerUoA/status/1426286914076692480

 In case you were wanting almost 3 more delicious hours of Jordan Ellenberg hitting on a range of topics (in conversation with Lex Fridman),...

  A podcast from Aperiodical with Catriona Agg, geometry-puzzler-extraoridnaire: https://aperiodical.com/2021/05/mathematical-objects-arbel...

  Nice introduction to manifolds (~50 mins.):

                         Most readers here likely already know of Catriona Shearer's incredible geometry problems regularly presente...

Barnes & Noble always has a number of quirky (relatively-inexpensive) 'popular’-style math books scattered around the store givin...

(via WikimediaCommons) Awhile back I mentioned Alfred Posamentier’s latest volume “ The Circle ,” and around now it should be show...

Below, a problem I gave to a local math meetup group some weeks back thinking it would be familiar to EVERYone (it is my favorite problem ...

Pat Ballew 'celebrates the season' this morning with some " beautiful geometry " from " a little known mathematical ...

Well, this is sort of neat news: discovery of a new (15th) convex pentagon that successfully tiles the plane: https://plus.google.com/u/0/1...

via ClipArt etc . So far as I know, the game of pool hasn't changed much in a long time... until NOW! Alex Bellos has created a f...

Just a few past Futility Closet geometry puzzles to get your week rolling: http://www.futilitycloset.com/2014/11/25/sizing-up/ http://...

Futility Closet reports succinctly on a recent geometric theorem from the ever-interesting Lee Sallows : http://www.futilitycloset.com/2...

(image: WikimediaCommons) A lot of discussion around the Web these days about women in STEM, and at Math-Frolic I'm even more inte...

George Hart (perhaps better known these days as Vi Hart's father ;-)) brings us an introduction to the mathematical aspects of the ancie...