The borehole was drilled into the blue ice so researchers could study gases inside air bubbles trapped in the ice cores.

Here’s a DIY laser rifle which can explode a balloon at around 150 feet (45 meters) as well as some angry chemicals at a similar distance. Since there are plenty of videos of lasers doing that ...

It looks substantial and has a cool sound generator that not only ... he was cutting up a soldering gun. If you want something with a real laser in it, be careful with everyone’s eyesight.