23.) entrance into room with no exit (helps with inlaws and annoying midgets).
24.) fire into moon and then random spot nobody would visit., suffocate earth.
25.) waste disposal.
26.) easily cut fruits.
27.) using people for 26 instead, but i don’t know why a person would ever do that… nope. not at all.
28.) redirecting a nuke into the country firing it through use of the impact point and mathematically equated positioning of a portal on the moon.