Our Persuasive speech” Lasers – a miracle of light” is one that is relevant to many people nowadays, particularly in light of the fact that so many have such eye surgery. This speech speaks of the miracle of lasers. It explains how they work and gives examples of how they have changed our world, especially in the medical field. It is interesting to any audience in that it demonstrates how little we actually know of the many ways lasers are used. Our Persuasive speech” Lasers – a miracle of light” ends with a poem that says it all.