Readers Respond: Kite Math


Math Mondays has been accumulating a lot of mail from all you fellow makers out there with a mathematical bent so today's installment marks the beginning of a series (the length of which depends on how much more mail you all send) based on readers' responses to earlier columns Read more »

Instant Tetrahedron Report


The best-laid plans oft are improved with a dollop of rehearsal and testing, and so it was with the scheme for building the Instant Giant Tetrahedron at the recent World Science Festival Street Fair at Washington Square Park in Manhattan, NY. Trials showed two key points: the stringing process described... Read more »

Instant Giant Tetrahedron


Continuing a Math Mondays tradition of building Sierpinski triangles and tetrahedra out of various materials, today we're going to do it with mailing tubes. The basic unit requires six identical mailing tubes and a piece of cord or twine about 8.5 times as long as the tubes. Read more »

Things from Rings


From the Museum of Mathematics The Math Mondays Experimental Making Labs recently received numerous binder rings in its Incoming Raw Materials box. You know — the little circles that clip closed, used to hold a sheaf of hole-punched paper together.  According to the donor: “Here’s an office supply item that... Read more »

DIY Tensegrity


In honor of a recent visit to Kenneth Snelson's workshop, and as a continued tribute to Math Craft, which has a nice gallery of tensegrity projects, here's a detailed, step-by-step illustration of how to make a tensegrity structure that you may not find in a lot of other places --... Read more »