Originally Posted by **********

Yes. I run it on a spare PC. It downloads some stuff, runs some calculations for a few hours or days at a time sometimes, uploads its findings back and downloads the next batch to be processed.

You can let it run in foreground, background, or as a screen saver which is what I do. This way it doesn't use up resources when you need your machine for something and makes for an interesting and very active screen saver.