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

Scientific physics forums for professionals and students to discuss serious issues and topics regarding physics in theory, practice, study and reality. Students can also find help for homework and career perspectives

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WikiAnswers: Questions and Answers from the Community

Scientific Literature Digital Library incorporating autonomous citation indexing, awareness and tracking, citation context, related document retrieval, similar document identification, citation graph analysis, and query-sensitive document summaries. ...

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Vimeo is a respectful community of creative people who are passionate about sharing the videos they make. We provide the best tools and highest quality video in the universe.

Digital Trends is your source for technology news, product reviews, buying guides and free software downloads, Digitaltrends.com.

Gizmag covers the full gammut of new and emerging technologies, invention, innovation, and science news.