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Celestron Telescopes: Manufactures Celestron Telescopes, telescope accessories, optics, computerized telescopes, binoculars, spotting scopes and microscopes for serious and amateur astronomers and hobbyists

Learning Resources® is a leading manufacturer of innovative, hands-on educational materials for classrooms worldwide and learning toys.

YouTube is a place to discover, watch, upload and share videos.

Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & person...

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

China Wholesale Electronics and Dropship: Android Tablets, Android Phones, Cheap Mobile Phones, Electronics Gadgets, Car DVD Players, GPS Devices, and more...

ExtremeTech provides deep technical content about new products and technologies. It reaches committed, active technology users, managers, and enthusiasts through detailed reviews, analysis, tutorials, extensive resource links, and interactive, discu...

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.