Note: A parent should always be present—both physically and mentally—when the children are conducting any science experiment at home. Even the simplest experiments have major potential for trouble if done wrong.
The word LASER stands for Light Amplification by Stimulated Emission of Radiation. A laser is a device that emits a concentrated beam of photons, which are the basic units of electromagnetic radiation. Electromagnetic radiation is another word for light. for more details:-https://www.asme.org/career-education/articles/k-12-grade/laser-experiments-to-share-with-your-kids Corporate Promotional Video