How do lasers work? Who invented the laser?

An introduction to the science of lasers and how they convert electrical energy into a powerful beam of concentrated light.

What Is a Laser? NASA Space Place – NASA Science for Kids

How Lasers Work

Physics Today - March 2021 - Comsol

Lasers 101 with LaserEd: What are lasers and are they worth the expense? - The Metal Magazine

High-power Lasers American Scientist

Production of Laser

Types of Lasers

Dental Lasers Explained

How Does Temperature Affect the Wavelengths of Lasers?

How to Make a Laser (with Pictures) - wikiHow

Laser, Definition, Acronym, Principle, Applications, & Types

The Five Main Types of Lasers