Black hole

Properties
Section	Special
Spawn temperature	22°C
Heat Conductivity	74.4%
Relative weight	100
Gravity	0
Acid dissolve rate	0%
Flammability	0
State	Solid
Source code

Creates a positive gravity field and sucks in particles (like vacuum without exerting any pressure), Newtonian gravity must be enabled. Can also be created using the console by putting a lot of particles on the screen and compressing them.

!set x all A
!set y all A

A is for example 255.