Demonstrations

From 6.034 Wiki

Much of the material in 6.034 is reinforced by on-line demonstrations develop by us or otherwise available on the web. Most of the demonstrations are available only using the Java Web Start mechanism.

So, if you don't have WebStart, you should http://java.sun.com/products/javawebstart/ install it first. Then, you can install the http://courses.csail.mit.edu/6.034f/demonstrate.jnlp demonstrations.