The hidden search engines of Google you don't know

When it comes to Google, many people think this is the world's largest search service. And with its seven search engines, the search will become really much easier than most people know.

Google Patent Search

Access address http://www.google.com/patents

This service will allow you to find more than 7 million patent applications from scientists both now and in the future. When you enter a scientist in the search list, such as: Albert Einstein, John Logie Baird, Newton, . and click Search Patens immediately those patent applications will appear for you to have viewable (full English)

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Google Scholar

Address to http://scholar.google.com/.

Google Scholar is a service that allows you to find information about books and related articles. The search results are mostly written in PDF, HTML or DOC formats so users can download and read easily

Google Products

Access address http://www.google.com/products.

Worthwhile tool for those who are interested in finding products. Just enter any product into the search list and then click Search, immediately related products will appear with the corresponding prices for your reference. More specifically, these products also have a price for reference prices to get you through to know how to buy.

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US Government Search

Access address http://www.google.com/unclesam

Tool to provide search tools for information about the US government.

Google Books

Address accessible http://books.google.com/books.

The service allows searching and viewing thousands of books online without necessarily downloading them. For example, typing in the word Scientic, immediately thousands of books related to Scientic topics appear, you just need to click on the book to see that google will display images as well as the content of the book for you to enjoy it . However, Google does not always provide the full content of that book, but depends mainly on the terms of the publisher.