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 ...

An image of the axial vortex tubes generated by a computer simulation of a stratified convection in the Earth's core. Clockwise vortices are in blue, counter-clockwise in red. Structural boundary ...