Diode
Acts as a wire/chute/pipe/etc, but only works one way, through the diode's input and output faces as indicated by the arrow.
It is a craftable and spawnable non-flammable solid.
It cannot be resized.
At its default size (1x1x2) it has a durability of 1.
By default, its colour is #111111.
It requires 1 Copper and 1 Polysilicon to be crafted.