IraceBLOG

…a second decade of cheese sandwiches.

September 12th, 2006

MiniBlog Roundup, September 2006

See that “miniblog” thingie from Google on the right side of the main page? I use Google Reader to keep up with my favorite sites. Cool entries get a star. And starred entries show up automatically in the MiniBlog!

Today’s feature: ruminations on some of the entries I’ve “starred” lately. Blame it on hotel insomnia.

June 8th, 2003

A 4D Rubik’s Cube


Want to make your brain hurt?

Click here to learn about a 4-dimensional version of Rubik’s cube. Then download the simulation and try to solve it. Or at least play with it for awhile.

The original 3D cube has more possibilities than the age of the universe in seconds.

This 4D cube has more possibilities than the number of atoms in the universe.

Ow.

June 4th, 2003

Fyodor on Network Security

Fyodor wrote Nmap, a world-class network scanning tool (which was subtly featured in a scene in Matrix Reloaded). Here is an amazingly insightful interview he did on Slashdot.

May 16th, 2003

Telling Humans and Computers Apart

I just installed a great new Spam filter (TMDA) that forces you to prove you’re human before it will deliver your e-mail to me. For now, spammers don’t bother to reply to these confirmation requests, so I have instantly gone from receiving over 100 spams per day to zero. It’s amazing! When the spammers catch on and start replying to my confirmations, I’ll be ready, with a technology like those covered by The CAPTCHA Project.

May 9th, 2003

Floppy the Robot

Is this what I’ll end up doing with all my extra floppy drives?