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The Physics Classroom is an online interactive tutorial of basic physics concepts. The lessons use an easy-to-understand language to present common physics principles discussed in a first-year high school physics course.

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The ZEISS Campus is designed to serve as an educational resource for all aspects of optical microscopy and digital imaging.

Welcome to the Olympus Microscopy Resource Center, designed to provide an Internet-based educational forum on all aspects of optical microscopy, photomicrography, and digital imaging.

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

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Medical Dictionary is intended for use by healthcare consumers, students, and professionals as well as anyone who wants to keep up with the burgeoning array of terminology found in today’s medical news. By staying clear of jargon, the dictionary o...

HowStuffWorks Computer gets you explanations, reviews, opinions and prices for the Internet, home networking, hardware, and software.

Answers.com: Wiki Q&A combined with free online dictionary, thesaurus, and encyclopedias. Ask questions, get answers.