The Sunshine to Petrol project is testing a prototype device called the Counter Rotating Ring Receiver Reactor Recuperator (called CR5 for short) which turns CO2 into carbon monoxide which could then form part of a liquid fuel.

CNN: Turning carbon dioxide into fuel

One way to increase the efficiency of a high-bypass jet engine is to turn the fan into an open rotor, a bit like returning to propellers, but using two rings of stubby counter-rotating blades.

ECONOMIST: A new way to build a greener jet engine

There is a carousel complete with carnival lights on the cresting rotating ever so slowly in a counter-clockwise fashion around two bartenders and their top-shelf liquors.

FORBES: Celebrate Superbowl: 5 Best New Orleans Bars