IBM Research Ponder This http://www.ibm.com/research/ You are cordially invited to match wits with some of the best minds in IBM Research. Thursday, 01 October 2009 15:00:00 EDT en-us October Challenge http://domino.research.ibm.com/Comm/wwwr_ponder.nsf/challenges/October2009.html The new challenge for October is now posted October 01, 2009 September Solution http://domino.research.ibm.com/Comm/wwwr_ponder.nsf/Solutions/September2009.html The solution for September is now posted October 01, 2009 September Challenge http://domino.research.ibm.com/Comm/wwwr_ponder.nsf/challenges/September2009.html The new challenge for September is now posted August 31, 2009 August Solution http://domino.research.ibm.com/Comm/wwwr_ponder.nsf/Solutions/August2009.html The solution for August is now posted August 31, 2009 August Challenge http://domino.research.ibm.com/Comm/wwwr_ponder.nsf/challenges/August2009.html The new challenge for August is now posted August 03, 2009 July Solution http://domino.research.ibm.com/Comm/wwwr_ponder.nsf/Solutions/July2009.html The solution for July is now posted August 03, 2009 July Challenge - hint http://domino.research.ibm.com/Comm/wwwr_ponder.nsf/challenges/July2009.html New hint posted for the July Ponder This challenge July 01, 2009 June Solution http://domino.research.ibm.com/Comm/wwwr_ponder.nsf/Solutions/June2009.html The solution for June is now posted July 01, 2009 July Challenge http://domino.research.ibm.com/Comm/wwwr_ponder.nsf/challenges/July2009.html The new challenge for July is now posted June 29, 2009 June Challenge http://domino.research.ibm.com/Comm/wwwr_ponder.nsf/challenges/June2009.html The new challenge for June is now posted May 29, 2009 May Challenge http://domino.research.ibm.com/Comm/wwwr_ponder.nsf/challenges/May2009.html The new challenge for May is now posted April 30, 2009 April Challenge - hint http://domino.research.ibm.com/Comm/wwwr_ponder.nsf/challenges/May2009.html New hint posted for the April Ponder This challenge April 22, 2009 April Challenge http://domino.research.ibm.com/Comm/wwwr_ponder.nsf/challenges/April2009.html The new challenge for April is now posted April 1, 2009 March Challenge - hint http://domino.research.ibm.com/Comm/wwwr_ponder.nsf/challenges/May2009.html New hint posted for the April Ponder This challenge March 27, 2009