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Clusty is a whole new way to search the web. Clusty queries several top search engines, combines the results, and generates an ordered list based on comparative ranking. This "metasearch" approach helps raise the best results to the top and push search engine spam to the bottom.

Explore science & engineering with over 1500 free, hands-on activities and over 50 stage shows featuring science celebrities, magicians,jugglers, rappers and more. The two-day Expo is perfect for teens, children and their families, and anyone with a curious mind who is looking for a weekend of fun and discovery. Build an underwater robot, chat with a Nobel Laureate, explore the science behind the magic of Hogwarts Academy and see a car that drives itself. From bugs to birds, kitchen chemistry to computer games, environmental monitoring to electronic music - the Expo has something for everyone and is completely free of charge.

"Wolfram|Alpha is a free online computational knowledge engine that generates answers to questions in real time by doing computations on its own vast internal knowledge base. Our long-term goal is to make all systematic knowledge immediately computable and accessible to everyone. This can be valuable to educators in many ways. "

Plagium makes use of a proprietary technique that intelligently breaks up the input text into smaller "snippets". These snippets are matched against Web content in an efficient manner, with the matches scored to determine what documents match the input text. The result is a much cleaner view of possible matching documents - a view that is much less noisy than the results offered by the major search engines. ~ Can Plagium tell me if somebody plagiarized my text? The answer is NO. Plagium only returns links to documents containing text blocks that match what you have presented to Plagium. Such results could imply unauthorized, copied use of your text but we cannot be the judge of that. Plagium cannot ascertain the authority or legitimacy of the documents that it retrieves. We strongly suggest that you seek legal counsel for the course of appropriate corrective action if you believe that somebody or an organization is using, without proper authorization, text that you created.

While this is elementary in nature, this search engine does a nice job of retrieving sites that are appropriate and provides graphics at the very top of the search return.

Use drop.io to create drops and privately share your files by web, email, phone, fax, and more. Drops are protected from search engines so you can conveniently share what you want, how you want, with whom you want.

Soungle is a free site, developed by Southern Codes, for finding all kind of sound FX and musical instruments samples on our mega online library. As different from most of similar sites, Soungle is NOT a Web search engine. It only searches in our growing monster database. Our goals are to keep it simple to use (search, preview and download) and to keep it free. Keyword searches are performed by entering any word or phrase in a search box. The retrieved results of a keyword search are displayed ten to a page. Clicking on play icon allows you to preview a file. Download button instantly downloads the sound effect or musical instrument sample file. A short description of the sound appears on top of every sound , followed by the frame rate, duration and bit rate. Remember, all of our sound effects and samples are royalty free for downloading.

A visual search engine that aggregates search results from multiples sources including Yahoo, Flickr photos, Twitter, Wikipedia, Amazon, eBay, etc. and then arranges all these results a large, interactive collage.

Ginipic takes image search to a whole new level. Now you can search image search engines, photo sharing websites or your own local picture collections simultaneously. Find what you're looking for and use it instantly in your own creation - document, presentation, art work - you name it. Work alongside other applications with Ginipic in Dock mode. Did we mention it's completely FREE?

Looking for the best iPhone® and iPod Touch® Apps but tired of seeing the same lists over and over? AppBeacon is your personal App discovery engine for the iPhone. * Start at the New Apps link above. * See the list of all apps you haven't reviewed. * Don't like an App? Sink it. You'll never be bothered by it again. * Find a gem but not ready to buy yet? Bookmark the App and get updates on prices and new features. * Already own an App? Mark it as Owned. AppBeacon will help you keep track of news and information on it.

"...what is a "Google-proof question?" It is a question that can not be directly answered via Google (or any other search engine) because it requires, analysis, interpretation, and investigation. Writing such questions can be challenging. A helpful tool is Bloom's Taxonomy. "