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Rensselaer Polytechnic Institute educates the leaders of tomorrow for technologically based careers. We celebrate discovery, and the responsible application of technology, to create knowledge and global prosperity.

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Founders Deepak and his wife Gowi Chebbi named the web site they built YouSigma, a play on the word Sigma, the mathematical term for a summation. The name reflects the immense volume of information that exists, and the scope of YouSigma?s mission: t...