[domchi]

If you want to remember details of things you don't use in everyday life, I'd recommend that you try Supermemo. There is also a lot of resources about learning on the Supermemo site.

http://www.supermemo.com/articles/power.htm

[adaptives]

That's a very good idea. I recently downloaded the free and open source cousin of supermemo, pnemosyne. http://www.mnemosyne-proj.org/