Factorio Forums

I was trying to figure out how to build a lab setup compatible with all 7 science packs, when I found out, that "Leeching effect" is a thing. So I made this: Here it is in ALT mode, so you can see the direction of the inserters: As you can see, not all the labs are working at once. I suppose, that this particular setup is simply too big and that smaller setups, such as 4x4 or 3x3, would be more efficient. These small units could even be built into bigger blocks.

Also here is an upgraded version, which utilizes belt braiding and fast inserters: This one is more efficient.
I built this prototype in Sandbox mode, so I haven't seen it at night yet. I believe it's a sight to behold.

You should use filter inserters between the labs so that science packs all travel in the same direction as they did when pulled off of their respective belts because right now they can travel all over the place. (i.e, all your inserters moving packs west to east should only move blue and military science as the blue and military science belts are on the west side.