Drop of Light:: Educating for the A-ha MomentA ha! Working through a topic or question, a shaft of sudden inspiration hits. The cloud of fragmented ideas and thoughts clear as a whole picture begins to form coherently in your mind. What you have now worked out in an unexpected, exciting eureka moment will stay with you forever. All teachers seek this experience for their students. Liz Attwell explores theories of education to argue that traditional teaching, filling buckets', must be replaced by