CiteSeer. Or join an open-source project and learn enough about their codebase that you can start helping out people who ask questions.
Almost everything that's relaxing in the sense of "feels like TV" isn't go to be a good education. That doesn't mean learning can't be fun, but it means you have to set aside a block of time and let yourself sink into the material instead of glossing over it in 30 minute chunks.
I've also found time spent socially interacting with folks over the web - in an "involving yourself in their life" sense, not in a "post on the same message board" sense - to be very rewarding. Several online friends have since become RL friends after a couple years of commenting on their LiveJournal and talking to them on AIM. LiveJournal is great for this, FaceBook not so much, since the culture on FaceBook is very much about taking pre-existing RL friends and interacting with them online.
Almost everything that's relaxing in the sense of "feels like TV" isn't go to be a good education. That doesn't mean learning can't be fun, but it means you have to set aside a block of time and let yourself sink into the material instead of glossing over it in 30 minute chunks.
I've also found time spent socially interacting with folks over the web - in an "involving yourself in their life" sense, not in a "post on the same message board" sense - to be very rewarding. Several online friends have since become RL friends after a couple years of commenting on their LiveJournal and talking to them on AIM. LiveJournal is great for this, FaceBook not so much, since the culture on FaceBook is very much about taking pre-existing RL friends and interacting with them online.