lol

You don't use Wikipedia for technical research, but most of the content on general knowledge and culture is accurate. If you're looking up stuff like the First Law of Themodynamics, you can be pretty damn sure that the information on the page is accurate. The argument that "anyone can change it, so it's not valid" doesn't hold ground, because most attempts to falsify information on an oft-visited page get removed almost immediately. Erasing entire pages is meaningless, because of the history for each page. The Internet works better than you might think.