I have to do a simple little project on topology for math, but I don't know much about the subject. I am going to read a book about it this weekend (How the Universe Got Its Spots by Janna Levin) but I thought it would be nice to get some information about it from actual people. So... I'm not really looking for a deep discussion, just some information. Nothing specific. Anything would be useful just to help me to better understand it in general. (Which is why I put this thread in this section and not the science section... but if it should be moved...?)

Thanks!