math

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.

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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.

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Pixar and Khan Academy’s Free Online Course for Aspiring Animators

Pixar and Khan Academy’s Free Online Course for Aspiring Animators

If you’ve ever wanted to know how the animators at Pixar do it, then you need to check out the Pixar in a Box classes from Khan Academy.

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Hacked Machine Knits Custom Mathematical Scarves

Hacked Machine Knits Custom Mathematical Scarves

Fabienne Serriere has created an knitting machine that turns algorithmically-generated patterns into unique scarves and wraps.

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Einstein’s Workshop Showing Off Educational CAD Program

Einstein’s Workshop Showing Off Educational CAD Program

Einstein’s Workshop, based in Massachusetts, has had enormous success teaching 3D design to children as young as 8 while getting them excited about math and programming. Their secret? They’ve developed an educational CAD program called BlocksCAD. The interface is easy for developing minds to grasp, with interlocking blocks and sliders, simple shapes, and quick visual […]

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Efficient Cake Cutting Techniques

Efficient Cake Cutting Techniques

Even though the math seems to check out, and the logic behind this method of preserving a cake’s freshness for as long as possible is totally sound, there is a potential oversight this video fails to point out.

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