Here I compare powerful red and blue lasers, showing the pros and cons of each. Both make great burning lasers with enough power behind them.
I built the 1W blue laser in the video, but the 200mW red laser was bought from here:
I originally wasn’t going to make this video, but I had a lot of requests for it so I went ahead and made it. Y’all are too lazy to watch the other two videos in the series and make a conclusion between red and blue! ;)