# mathmonday

### Math Monday: Acrylic Frabjous Kit

By George Hart for the Museum of Mathematics Frabjous is a sculpture that consists of thirty identical parts which are assembled into a geometric star with twelve spiral vortices. A...

Posted by Gareth Branwyn | Monday March 19th, 2012 12:00 PM

Categories: Fun & Games, Science, Workshop | 1 Comment

### Math Monday: Color 3D Printing

Color 3D printing allows one to make beautiful objects that are pretty much impossible to fabricate by any other technique. Here is a 9-inch diameter sculpture I designed and built...

Posted by Gareth Branwyn | Monday March 12th, 2012 12:00 PM

Categories: 3D Printing, Science | No Comments

### Math Monday: Mathematical Models from a Chemistry Kit

The little metal connectors and plastic tubes that chemistry students sometimes use to make chemical models can also be used to make interesting geometric models.

Posted by Gareth Branwyn | Monday February 27th, 2012 12:00 PM

### Math Monday: Passing a Cube Through Another Cube

It is an amazing fact that it's mathematically possible to pass a cube through a hole in another cube of the same size. If you stand a cube up on...

Posted by Gareth Branwyn | Monday January 30th, 2012 12:00 PM

Categories: General, Science | 9 Comments

### Vi Hart and More Fun with Fibonacci, Plants, and “Spiraly Things”

Here are parts two and three of Vi Harts' brilliant and dizzying exploration of the Fibonacci number, plant growth patterns, and the mathematics behind other cool, spiraly things.

Posted by Gareth Branwyn | Friday January 27th, 2012 11:30 PM

Categories: Education, Science | 1 Comment

### Math Monday: Slice a Bagel into 13 Pieces with Three Cuts (Our 100th Column!)

Since this is my one hundredth Math Monday column, I decided to celebrate with a return to yet another mathematical way to slice bagels.

Posted by Gareth Branwyn | Monday January 9th, 2012 12:00 PM

Categories: Food & Beverage, Science | 2 Comments

### Math Monday: Make a Ball of Cards

Two years ago, we looked at some constructions made from playing cards that are slotted and slid together. Here is a new one, by Zach Abel.

Posted by Gareth Branwyn | Monday December 26th, 2011 4:00 PM

Categories: Craft, Science | 7 Comments

### Math Monday: What to Make from Binder Clips?

Binder clips are one of the office supplies that aren't always appreciated for their mathematical possibilities. Where many people see little architectural potential, Zach Abel has been pushing forward the...

Posted by Gareth Branwyn | Monday December 19th, 2011 12:00 PM

Categories: Craft, Science | 4 Comments

### Math Monday: Knitting Napier's Bones

Napier's bones are a set of labeled sticks which John Napier invented in the 1600s for solving multiplication problems. Nowadays, you may be more likely to use a calculator, but...

Posted by Gareth Branwyn | Monday December 12th, 2011 12:00 PM

Categories: Craft, Science | No Comments