If you're in the auto resale or repair business or have scoured shops for project car parts, you probably already know that the junkyard of the 21st century can be a wired, high-tech and global operation. If it's been awhile, if ever, since you've roamed through aisles and piles of castoff cars and parts, maybe you'll find a surprise or two when you test your knowledge of salvage, wreckage and junk, online and in person.
How much do you know about how car engines work? And how much do you know about how the English language works? And what about how guns work? How much do you know? Lucky for you, HowStuffWorks is about more than providing great answers about how the world works. We are also here to bring joy to your day with fun quizzes, compelling photography and fascinating listicles. Some of our content is about how stuff works. Some is about how much you know about how stuff works. And some is just for fun! Because, well, did you know that having fun is an important part of how your brain works? Well, it is! So keep reading!