For non-mathematical explanations I liked this video, which uses a paint mixing analogy to explain the one way functions: http://www.youtube.com/watch?v=3QnD2c

For non-mathematical explanations I liked this video, which uses a paint mixing analogy to explain the one way functions: http://www.youtube.com/watch?v=3QnD2c4Xovk http://www.youtube.com/watch?v=3QnD2c4Xovk