Recommended Web Links



  • ThinkClub – ScientificProblemSolving’s own problem forum. Members can post problems and comment on them without posting answers.
  • William Wu’s Puzzle Forum – Loads of puzzles & riddles, categorized by difficulty.
  • Project Euler – Math/Computer problems. You can retrospect in a forum once you’ve submitted the correct answer.
  • Jerry Slocum’s Mechanical Puzzle Collection – Pictures & some animations of this great collection at the Lilly Library, Indiana University


  • A Private Universe – People can carry around some really irrational thoughts that prevent them from acquiring new knowledge and understanding.