Formation and Annihilation Cores
![](https://guide-assets.appliedenergistics.org/minecraft-1.20.1/!items/ae2/formation_core.PPvdC1fz2rZj.png)
![](https://guide-assets.appliedenergistics.org/minecraft-1.20.1/!items/ae2/annihilation_core.3ypvP48l8ziS.png)
These are the primary components of AE2 input and output devices. Using the power of Fluix Crystal and a logic processor it allows devices to input and output items, blocks, fluids, etc. (No actual function, just a crafting intermediate)