A great website for writing helps is www.howstuffworks.com. The site includes everything from mechanical, to electrical, to technological, to health, to economical “stuff” and . . . how it works. In-depth articles with diagrams and cross-sections and animated demonstrations describe (sometimes in great detail) . . . how stuff works. Are you getting the picture here?
Say you have a character in your book who is a TV repairman. In one scene he’s explaining to a customer how a TV works, but you, the author, have no idea how a TV works. Go to www.howstuffworks.com and get some great information on how TV’s work. Any kind of TV.
Or say your story is about a corporation involved in a hostile takeover of a smaller company. Guess what? You kind find how a hostile takeover works at . . . yeah, you know where. Or how ’bout climbing Mt. Everest, or competitive eating, or cell phones, or the stock market. You can find it all in one location: www.howstuffworks.com.
For my novel, The Hunted, I have several characters who are hunters and handle weapons. I’ve never hunted in my life and don’t know the first thing about how a pump-action shotgun works. I found all I needed to know (and then some) at www.howstuffworks.com.
Look it up, put it in your favorites, and use if often. HowStuffWorks.com is a resource you have to tap in to.