Mozaik.

Stormy weather makes me worried about my electronic equipment, especially servers. A summer storm can take out power, corrupt a HDD in the process, or in the worst case, fry absolutely everything by a strategically placed lightning strike. But even on a quiet winter day, hard disk can quietly fill with logs, one byte at [...]

Nuke Effects, an iPad version of the once famous Nuclear Bomb Effects Computer just hit the App Store. From the Nuke Effects description: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In 1960s, when the Cold War was at its peak and the world’s two superpowers were locked in a nuclear arms race, the U.S. Government Printing Office published a handy slide rule for [...]

I do back up my servers, of course1. I rsync the image files (VM snapshots, since all servers are virtual) to a remote location. The good part about VM snapshots is that a consistent disk state can be copied while the machine is running, regardless of the OS and guest FS (though, snapshots alone are [...]

As promised, Electrons is in the App store, and it’s just amazing. It’s a charged particle simulator for iPad. It allows you to create dozens of positively or negatively charged particles, either freely roaming in space, or contained within conducting bodies. You can observe complex particle interactions and resulting electric forces, create capacitors, simulate a [...]

With Gravity Lab, I’ve built what I think is a decent particle simulation framework. Which brings me to my hidden agenda: something I’ve wanted to do for a long time, but could only do incrementally, since the complexity of the entire task was just too overwhelming. So I present to you another particle simulator, codenamed [...]