Fluidic Air NOT and NOR logic gates

Using streams of air as 1 and "no air" as 0, you can use this to perform logic. String 'em together and you could theoretically make a computer!

The "power" (a steady stream of air) goes in the left side. The "control" (a stream which can be on or off) comes in the bottom. The output goes out the right side.

It is designed to work with standard fish aquarium air tubing and an air pump. My pump outputs 2x110 liters per hour and that is barely enough to power two of these gates in series (i.e. you'd need a ridiculous amount of air to make the "computer" promised above!)