OK im nervous about this question Im ignorant as a newbie would be Ive been learning about green lasers as for now they are my favorites. Here comes the question in a nut shell? other than lasers used for science or research labs etc. what draws users to the different colors red blue or yellow as examples? What colors are good for what I know users like to burn things or the beam why would someone need the power of something like 500mw or more in a hand held or portible? Is it just because they can Please any body who still has the patients in them to answer this briefly or in general I want to learn some of the beauty of this hobbie. Thx:thinking: