http://online.stanford.edu/courses/topic/4
https://www.youtube.com/user/MIT/playlists?view=1&shelf_id=2
Millions of tuition bucks worth of world class educational content at your finger tips for free.
There are no more excuses for lack of success because just about anyone can get a Stanford/ MIT level eduction for free in their own spare time.
Unprecedented in human history and amazingly few bother to take advantage of this historic playing field leveler
Just sayin’
Plus, just search YouTube for various “industrial/shop”. topics.
Or the various technical hobbies.
The internet can be a fabulous learning tool. I had a request this week from a doctor in Ethiopia. Sugar was rationed in her location and she needed a replacement for Oral Rehydration Solution. She mentioned hearing about a rice based substitute while at a tropical medicine course in Bangkok.
Two minutes on Google and voila! The actual research paper telling the formulation, method of making, nutritional composition and the results of clinical trials... and all in English, to boot!