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What is Wolfram Alpha? It is a supercomputing brain. It provides calculates and provides comprehensive answers to most any science or math question. Unlike other search sources, you and your students can ask questions in plain language or various forms of abbreviated notation. Contrary to popular belief, Wolfram Alpha is not a search engine. Unlike popular search engines, which simply retrieve documents based on keyword searches, Wolfram computes answers based on known models of human knowledge. It provides answers which are complete with data and algorithms, representing real-world knowledge.

Two days ago Stephen Wolfram gave an early preview of his "computational knowledge engine" Wolfram Alpha at a talk at Harvard University. The video of the whole presentation (1h 45min long) is here above, while down below you can find some highlights I transcripted from his speech.

The latest project by Stephen Wolfram is defined as the first "computational knowledge engine", something capable of answering factual question for you. The Wolfram engine is described as "a proprietary system based on fields of knowledge, containing terabytes of curated data and millions of lines of algorithms to represent real-world knowledge as we know it".

Wolfram|Alpha brings expert-level knowledge and capabilities to the broadest possible range of people-spanning all professions and education levels. WolframAlpha: Compute expert-level answers in Math, Science, Society, Culture & Everyday Life (wolframalpha.com).