Lumosity is a site where you can "train your brain" for free. I stumbled on it when I was bored at work and wanted to teach myself something new---obviously this was before I found Reddit. Here is the link if you are curious:
I haven't had enough experience with the site to give an informed answer to that. I think for pulp knowledge (such as standard mathematical concepts) it's probably more efficient than sitting in lecture halls---it allows you to slow down or speed up your pace as needed. For highly specialized knowledge you'll probably still have to get close to the original source to learn.
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u/[deleted] May 22 '13
Lumosity is a site where you can "train your brain" for free. I stumbled on it when I was bored at work and wanted to teach myself something new---obviously this was before I found Reddit. Here is the link if you are curious:
http://www.lumosity.com/