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Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

Department, Clark School of Engineering, University of Maryland

Photonics news, research and product information. Includes online editions of Photonics Spectra, BioPhotonics, EuroPhotonics, Buyers’ Guide, Dictionary and Handbook. Worldwide coverage of optics and optical components, lasers, imaging, fiber optics...

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LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections to recommended job candidates, industry experts and business partners.

Search jobs then look inside. Company salaries, reviews, interview questions, and more - all posted anonymously by employees and job seekers.

San Francisco - User Reviews and Recommendations of Top Restaurants, Shopping, Nightlife, Entertainment, Services and More at Yelp

Twitter is without a doubt the best way to share and discover what is happening right now.

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Buy rare and hard to find music on vinyl records and used CDs from thousands of online record stores. Manage your music collection with a detailed discography on rock, electronic, hip hop, classical and other popular and obscure music genres.