Standard search engines are great for finding individual Web pages to answer discrete questions. But their lists of search results do not help you to understand a field in general. If that's what you need, you might want to check a visual search engine that clusters results, and in doing so gives you a better overview of a field.
Quintura is the most recently updated and most useful of the tools. It creates a tag cloud based on your search term, and when you hover your mouse over a term, it dives into the term and gives you a … Read more