Proof That Some Infinities Are Bigger Than Others

The always-excellent Vi Hart (previously) gives one of the most engaging explanations of multiple infinities we've come across in some time. » 6/28/14 2:00pm 6/28/14 2:00pm

Exploring Fractals with Dragons and Dungeons

In her two latest videos, maths-maven Vi Hart shows us how to draw fractals freehand, creating Koch curves, dragon curves, and eventually THREE DIMENSIONAL DUNGEONS – all with a little clever doodling. » 10/22/13 8:45am 10/22/13 8:45am

Think you know all there is to know about paper snowflakes? You…

You have much to learn, dear reader. Settle in — it's arts and crafts time. Let math-craft-wunderkind Vi Hart expand your mind with this captivating tutorial on snowflakes, starflakes, and swirlflakes. » 12/14/12 3:44pm 12/14/12 3:44pm

Introducing the Hexaflexagon's delicious offspring, the Flex Mex burrito

Sure, the Hexaflexagon is fascinating all by its lonesome, but does it have any practical uses? Vi Hart shows us how to us the the multiple surfaces provided by the folding, flipping mathematical marvel to form a make a delicious concoction of beans, cheese, and guacamole. It's brilliant, if a bit messy. » 10/27/12 8:00am 10/27/12 8:00am

Have you met the hexaflexagon? If not, it's high time you did.

Last week, YouTube's resident mathematical mind-blower, Vi Hart, introduced many of us to the topological wonder that is the hexaflexagon. If you haven't seen it yet, get your life in order and go check it out. In fact, even if you have seen it, go ahead and watch it again. Then reconvene with us here for round two… » 10/08/12 8:20am 10/08/12 8:20am

Meet the hexaflexagon. It's about to blow your mind.

Remember the first time you saw a Möbius strip (the ring-shaped surface with only one side) and it felt like your world had been turned upside down? The hexaflexagon tends to have a similar effect. Only more so. » 10/01/12 8:15am 10/01/12 8:15am

This beautiful video about parabolas will 100% blow your mind

I know, I know. You're probably wondering how exciting parabolas can actually be, right? Well, it turns out that, in the remarkably capable hands of mathematical rambler/artist/stream-of-conscious-doodle-wizard Vi Hart, the answer is: pretty damn interesting. » 8/22/12 2:30pm 8/22/12 2:30pm

Enjoy an illustrated sonnet on the Higgs Boson-like particle

If this week's big particle physics discovery has you wanting to burst into verse, but you don't have a silver tongue, enjoy this sweet sonnet about the particle that might be the Higgs Boson. Vi Hart explains the news with markers and smiley faces. Memorize it for the next time someone asks you what a Higgs Boson is. » 7/07/12 9:00am 7/07/12 9:00am