Recommended: This is a classic from Robert Heinlein, one of my favorite SciFi authors.Storyline: The moon is a prison colony and becomes independent with a help of a computer that gained consciousness.
High Dynamic Range photography is a really cool technique to aggregate pictures with various exposure into one stunning picture. There is now a free online-tool to do this at yohdr.com. I tried it out - it's great!
There is only one catch: The three pictures must (obviously) be identical, except exposure. The picture I used had some branches that moved in the wind, and on the final picture they were not aligned. Still, for stills, this is pretty amazing.
Musopen is an amazing website for music lovers. the site offers not only public domain music recordings, but also sheet music.They have a pretty exciting project going on: They are rainsing money right now to hire an orchestra. The recorded music will be released in the public domain. I donated some, and I hope you will too.