Katrina looks at her"Ma'am, its kind of like a miniature black hole contained within the star gate's naquada structure.  Anything that passes the event horizon cannot return, and will inevitably be pulled on through.  attempting to resist it assuming you succeeded would likely result in the cup being cut in half along the surface of the event horizon.  We're looking at an actual fold in space connecting two points in space/time.  We refer to it as a wormhole, but that's essentially what it is a black hole." She responses calmly as she stares at it. "I'm more worried about what the people on the other side must be thinking, with this barrage of golf balls, likely traveling at 4 mph faster then they were going from this side."