Math and equations are fun.

The power of math: 17 Equations That Changed the World - a one table summary of the book by Ian Stewart FRS. Business Insider gives its interpretation of the importance of each equation. Brain pickings (2012) on this book and equations, and another extract from the book.
posted by Wordshore on Aug 10, 2014 - 36 comments

"I really like polyhedra."

Polyhedra and the Media - On the new polyhedra of Schein and Gayed, and mathematical journalism.
posted by Wolfdog on Mar 11, 2014 - 20 comments

posted by Wolfdog on Jul 19, 2011 - 6 comments

Explorations of a Recreational Mathematician

Let's say you're me and you're in math class, and you're supposed to be learning about factoring. Trouble is, your teacher is too busy trying to convince you that factoring is a useful skill for the average person to know with real-world applications ranging from passing your state exams all the way to getting a higher SAT score and unfortunately does not have the time to show you why factoring is actually interesting. It's perfectly reasonable for you to get bored in this situation. So like any reasonable person, you start doodling.
posted by ErWenn on Dec 3, 2010 - 27 comments

...the models live in the curved space of the hypersphere...

Here are some beautifully rendered views of polytopes, and a few more. The rendering program, Jenn 3D, is free and downloadable, (OS X, Linux, Win) and includes some really dazzling fly-about and camera effects as well as tons of high-dimensional models to explore. There's also a mind-boggling possibility of playing Go on boards in projective space. Via the Math Paint blog, which leads to other interesting places...
posted by Wolfdog on Jun 2, 2007 - 13 comments

Just filling space

The Spidron is an interesting geometric construction that seems to lend itself to folding, dissection, and space-filling in two and three dimensions.
posted by Wolfdog on Jul 17, 2005 - 9 comments

Polyhedra Polymath

Prof. George W. Hart, of the Computer Science Department at SUNY Stony Brook, has an enviable web presence. His Encyclopedia of Polyhedra alone is worth the visit, his geometric sculptures make the nerd in me weep at their beauty, and his trilobite recipe looks mighty yummy.
posted by ewagoner on Dec 19, 2002 - 12 comments

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