One of the cobbled-together weapons assembled from scrap that players could craft in Fallout 3, the Junk Jet is a pneumatic canon capable ... such as the AEP9 laser pistol. Though small, these ...

In the video after the break you can see how the lights and sounds serve as a warning system for the laser itself, as the cannon can be seen “charging up” for a few seconds before emitting a beam.

Inspired by the concept but lacking a giant laser, [Tom Stanton] build a small craft powered by a vortex cannon. Creating a vortex is hard enough, but creating a vortex with enough oomph to travel ...