Anonymous user asked a question on Quora that, How and Why Google is showing porn results in when one type equation -4^(1/4) into Google search query ? This is really a very strange bug on Google.
Just after that Jeremy Hoffman, Google software engineer replied him, "Hi, I'm a Google search engineer. Anon User and Anon User did some excellent analysis. As a web search query, [-4^(1/4)] is interpreted like [-4 "1 4"], as in "Find me pages which contain a 1 next to a 4, but which do not contain a 4." This should return zero results, because it is impossible to satisfy both requirements."
The bug was apparently uncovered via when user tried to use Google for solving mathematical equations, but the search engine misinterpret his queries.
read more..........http://thehackernews.com/2013/02/google-seach-engine-flaw-impossible.html
Just after that Jeremy Hoffman, Google software engineer replied him, "Hi, I'm a Google search engineer. Anon User and Anon User did some excellent analysis. As a web search query, [-4^(1/4)] is interpreted like [-4 "1 4"], as in "Find me pages which contain a 1 next to a 4, but which do not contain a 4." This should return zero results, because it is impossible to satisfy both requirements."
The bug was apparently uncovered via when user tried to use Google for solving mathematical equations, but the search engine misinterpret his queries.
read more..........http://thehackernews.com/2013/02/google-seach-engine-flaw-impossible.html