Just sticking in my 10 cents. A great way I found to get started is by making an inmate brew, like the one craig tube has a tutorial on (https://www.youtube.com/watch?v=RWGxmdtybs0).
Needs no special equipment at all, much simpler than beer and will teach you the science while severely wetting your appetite for more
Then you can fork out the $100+ for equipment and learn how to make huge batches of beer.
Needs no special equipment at all, much simpler than beer and will teach you the science while severely wetting your appetite for more