Above, a Venn diagram I made visually depicting every combination of Dwarf from the fairy tale. Not included: Snow White.
The other day I was tying to make some multi-set Venn diagrams with polar symmetry, which it turns out is harder than you'd think and has ties with prime number theory. It's an obscure but important area of combinatorics. Everybody knows a 3-set one (n=3), and I made a 5-set one with ellipses (pictured to the right). After that, I was stumped. That led me to a great web section maintained by Professors Frank Ruskey and Mark Weston. The Dwarf diagram at the top is based on that work, with Sleepy a little more opaque so you can see the shape. Ruskey and Weston display lots of lovely diagrams, including the elusive n=7 minimum vertex Venn diagram and the remarkable n=11 Venn diagram.
A Survey of Venn Diagrams
On Thursday May 26, Red Nose Day will return for the second year. It’s all about giving to children to fight hunger, sickness, and homelessness. In the video above, the most famous magician in the world, David Copperfield, has his own magical way of asking you to get involved. There’s going to be a two-hour TV show on […]
Facebook gets a bad rap, but where I live, it has brought neighbors together, and it started because of the things I didn’t want to share.
When the Congressional Science committee wants to talk about the cold weather, and when NASA has to defend their budget by explaining why NASA is important, it can make people who believe in facts… a bit tense.
It’s one thing to enjoy dinner at home and a nice glass of Cabernet Sauvignon with your best friend, Netflix, but it’s another thing entirely to make that meal from scratch and get that wine delivered right to your doorstep.But what if we told you there’s a way to make this possible? To keep your social life, […]
Having to pack and drag your stuff through security can put quite the damper on your vacation plans. Thankfully, we’ve got your back with one way to make traveling more painless: the Jumper Overnighter Travel Bag.This compact bag is so lightweight that you can effortlessly carry it, and fit it into any overhead compartment. But just […]
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