Wikipedia says “Wolfram Alpha differs from traditional search engines in that it does not simply return a list of results based on a keyword, but instead computes answers and relevant visualizations from a corpus of known information.”
Wolfram Alpha is a new search engine due to launch in May this year and the creators say that it will be as important to search in the furure as Google is now.
The engine is created by a British physicist and mathematician named Stephen Wolfram and can be found through this URL
www.wolframalpha.com. Wikipedia says the company is in the US and is called Wolfram Research, the Wolfram Alpha Seach Engine Blog can be found at this URL http://blog.wolfram.com/2009/03/05/wolframalpha-is-coming/, I am doing a little more digging as this sounds very interesting.