The document provides tips for becoming more creative when solving problems. It notes that when focusing on a problem, people unconsciously apply their experience and knowledge, which can lead them to typical solutions and hide other innovative possibilities. It also states that the more knowledge people have about something, the more limiting heuristics their subconscious mind will apply as barriers. Therefore, experts must be aware of and control their heuristic barriers. As an example, the document shows how bending a teaspoon allows it to remain balanced on its narrow side when dropped from 40cm, overcoming the apparent limitation imposed by experience that it cannot do so without support. To be creative, one must overcome the apparent contradictions imposed by their knowledge and experience and control their subconscious mind