Below are some articles you might find of interest. There's not necessarily any rhyme or reason to the subjects; they're just things of interest to me about which I am knowledgeable and have a strong opinion.
The Laser Weapon Myth: Lasers just don't make good weapons, and shouldn't be used in science fiction. You don't have to be a physicist to understand this subject matter.
What is Light?: an adjunct to The Laser Weapon Myth
What is a Laser?: an adjunct to The Laser Weapon Myth