This is another terrific mathematical card trick.
http://www.youtube.com/watch?v=GS9AN3XwghA
It requires minimal set-up and no sleight of hand, relying only on a basic mathematical idea that a certain “shuffling”, when repeated three times, preserves the order of the cards.
Perfect for those of us who want to seem magical, but haven’t put the work in on our misdirection skills!
Here’s another card trick based entirely on mathematics.
Here is a complete set of power-point presentations and handouts from a course offered at the University of Edinburgh titled Mathematical Ideas That Shaped the World:
http://www.maths.ed.ac.uk/~s0681349/OpenStudies/slides.html
From Inventing Numbers, to Calculus and Bayesian Statistics, this is an extensive resources for teachers and students alike.
The way these triangular acoustical tiles alternate bases creates a cool visual pattern. I wonder if this is part of some sonic strategy, or just an aesthetic choice?
This is a wonderful website offering a long list of interesting and challenging math and computer science problems.
There are many different kinds of problems to solve: some are purely mathematical in nature, and some would be considered more like pure computer science.
Some are easy (“What is the 1001st prime number?“), some seem moderately challenging (“What is the sum of the digits of 
The problems are freely available, but it looks like you have to register to submit answers.
On a recent trip to the MoMA, I saw several pieces by Richard Lippold, an 20th century American sculptor with a background in industrial design. Lippold was known for his skill with geometry and engineering, creating beautiful pieces from wire, among other materials.
Lippold’s Ad Astra, which resides at the National Air and Space Museum in Washington, D.C., is seen here at the right. And there is a Lippold at the Metropolitan Museum of Art, called Sun, which apparenlty contains more than 2 miles of gold wire.
A lot of people live in the intersection of Math and Art, and they do some very cool things!