Category Archives: video

Factorization diagram cards!

I’ve designed a set of factorization diagram cards and had them actually printed. This is one of the first times in my life when I have caused Actual Physical Objects to be created (other than using a printer I guess) … Continue reading

Posted in arithmetic, counting, pattern, pictures, primes, teaching, video | Tagged , , | 5 Comments

Animated Sieve of Eratosthenes

Here’s something I made yesterday! (Note, I strongly suggest watching it fullscreen, in HD if you have the bandwidth for it.) Can you figure out what’s going on? The source code for the animation is here; I was inspired by … Continue reading

Posted in arithmetic, counting, pattern, pictures, primes, video | Tagged , , , , | 12 Comments

New “Chaos” videos from the makers of “Dimensions”

I just got an email from Jos Leys, one of the creators of the Dimensions video series (which I wrote about previously), announcing that they have released another video series, this time about Chaos, at I haven’t had a … Continue reading

Posted in links, video | Tagged , | 6 Comments

Making a computer out of… dominoes?

When I mentioned carrying out computational processes with a room full of dominoes, I wasn’t kidding. Matt Parker is planning to build a domino computer at the Manchester Science Festival at the end of the month. The Manchester Science Festival … Continue reading

Posted in computation, links, video | Tagged , , , , , | 4 Comments

Nature by Numbers

This has been making the rounds of the math blogosphere (blathosphere?), but in case you haven’t seen it yet, check out Cristóbal Vila’s awesome short video, Nature by Numbers. Especially appropriate given that I have been writing about Fibonacci numbers … Continue reading

Posted in fibonacci, golden ratio, links, video | Tagged , , , , | 1 Comment

Dimensions: go watch! now!

I finally got around to watching the Dimensions videos, which I mentioned once before. They are super cool and will be sure to blow your mind! They start by explaining some simple tools (stereographic projection) and intuition (with references to … Continue reading

Posted in fractals, geometry, links, video | Tagged , , , , | 2 Comments

Happy Tau Day!

Happy day! , of course, is the fundamental circle constant which represents the ratio of any circle’s circumference to its radius. (In the past people have also used the symbol “” to represent half of ; perhaps you’ve heard of … Continue reading

Posted in famous numbers, links, video | Tagged , , | 3 Comments

Vi Hart's math doodles

Vi Hart’s math doodle videos have been making the rounds of the math blogosphere (I heard of them from Denise at Let’s Play Math!). There are four videos so far and they are well worth watching — inspirational, creative, full … Continue reading

Posted in games, humor, links, people, video | Tagged , , , | 2 Comments

Fractals without a computer

What happens when you hook up three projectors to a single video camera, and then point the camera at the projected images? RIDICULOUSLY AWESOME THINGS, that’s what!

Posted in fractals, video | Tagged , , , | 6 Comments


I’ve only watched the trailer so far, but this looks extremely cool! Some beautiful, fascinating videos about math, with lots of extra accompanying material and explanations on the website. Hat tip to Phil Wadler.

Posted in links, video