Using little droplets (beads) of liquid, we can create a percentage based gas pump that moves gases upwards. The principle is very similar to a real life Sprengel pump, just in reverse (thanks @Zarquan).  Maybe we should make the name "The reverse Sprengel pump" (comment below on your opinion). Edit: It's very similar to a "Bubble Pump" which focuses on collecting air below liquid, but instead this pump focuses on forming little "beads" of liquid above a body of air. Both pumps are "air lif