Last year, [Alvaro] built a laser turret robot for the DEFCONBOTs competition. It worked pretty well, but this year, he decided to step it up a notch. Now instead of moving the entire robot laser ...

The turret fits in a standard optical bench mirror ... as well as a safety enclosure to protect the delicate laser tube. The tube is connected to a high-voltage supply and after a little tweaking ...

In normal matches there is no indication of how far you can go, so you have to properly assess how close you can go to the turret without him pointing his laser at you. As you already know ...