math

Make: Geometry

A Better Way To Teach Geometry Using 3D Models

Joan Horvath and Rich Cameron, authors of Make: Geometry, explain how to use 3D models to teach geometry, which can help students visualize and grasp the basic shapes. Joan describes herself as a recovering rocket scientist who worked at JPL. Rich was an early RepRap 3D printer enthusiast. Together they have created a practical, hands-on approach to teaching geometry. Make: Books editor, Patrick DiJusto talks to Joan and Rich.

Continue Reading
A Deep Dive Into Laser Cutter Speed And Power

A Deep Dive Into Laser Cutter Speed And Power

One of the most complicated aspects to consider when laser-cutting is the delicate balance between translational speed and laser power. We want to cut as fast as possible, but are there times when it is best to slow down? The short answer is: “definitely yes”. We are going to share with our maker community the […]

Continue Reading
See How This Intricate, 3D Printed Mechanical Calculator Works

See How This Intricate, 3D Printed Mechanical Calculator Works

The Curta mechanical calculator is an incredible feat of mechanical engineering. Marcus Wu decided to make a 3:1 scale version.

Continue Reading

3D Printing Topographical Maps from Space Shuttle Data

Here’s how I wrote a program to convert the Space Shuttle Endeavor’s geographical data into topographical 3D printed maps.

Continue Reading
Math Monday: The Quest for the Platonically Ideal Cornucopia

Math Monday: The Quest for the Platonically Ideal Cornucopia

Create a cornucopia using math!

Continue Reading
The Tau of Pi: Why 3.14 Isn’t the Whole Story

The Tau of Pi: Why 3.14 Isn’t the Whole Story

Pi is good. Pi is great. The magical constant is the ratio of a circle’s circumference to its diameter. But what if we told you that pi isn’t the ultimate solution to circular number-crunching? Follow along with Vi Hart’s explanation for a whole new perspective.

Continue Reading
A plate of light blue cupcakes with the mathematical symbol for pi frosted onto them.

How Far Can You Memorize Pi? Show Off Your Skills with These Memory Tricks

How many places of pi can you recite? With a few memorization techniques under your belt, you can string together more digits than you might think.

Continue Reading