Gunk
Back when I was finishing my undergrad degree, my final year project (which is a big part of the final degree exams in Trinity) was in Java on a Sun SPARCstation 4 (at the time, one of the more powerful boxen you could get access to as an undergrad). The project was a fair bit of fun, writing a robot controller in Java just as 1.2 was coming out of beta. Lots of long hours were spent in that lab with three or four others working on their projects, and quite a few all-nighters interspersed with the odd game of networked bomberman 😀 I even managed to get a published paper out of it.
The downside to all of this fun was the Type 5 keyboard.… Read the rest