A make-shift dynamo of some sort slowly begins to spin on several axis in a complicated but kind of ramshackle contraption. The metal core looks rough, but glints in a strange incandescent shine underneath the coils of wire wrapped around it. As it grows faster it grows blurry and begins to produce an almost undulating whir as the air around it seems to warp and distort.
"It's working!" a cheerful female voice announces just moments before sparks fly off the contraption and the whole thing tears itself loose from it's anchoring and ricochets around the room, bouncing off the walls in a manner that most chunks of metal really shouldn't, wrecking all kinds of equipment that looks like a tornado re-arranged the contents of a Radio-Shack even before being smashed. The spinning core finally seem ends it's rampage by embedding itself in the ceiling. After a moment of silence only punctuated by an old CRT screen slowly tipping off it's mounting and crashing to the floor a different female voice speaks up. "When you said 'punch a hole' I didn't think you meant literally."
"Oh shut up, you bugaboo!" the first voice whines. "It was working till the shield-scaffolding collapsed. Get it down, we'll try the tungsten next..." she goes on and is met with the affirmative grunt from a third voice...