The mass driver was a magnetic device for throwing things. It consisted of a long straight rail, a "bucket" that slid along the rail on a magnetic cushion and powerful electromagnets that kicked the bucket down the rail When the bucket slammed to a halt at the rail's end, whatever was in it kept on going– theoretically, very, very fast. Recently this simple machine had become a pet project of Professor Sharon, who had advocated it as a lunar mining tool. Casimir argued that the idea was important and interesting in and of itself, and that Sharon's connection to it lent it sentimental value. As a tribute to Sharon, a fun project and a toy that would be a blast to play with when finished, the mass driver was irresistible to Neutrino. Which was just as well, because nothing was going to stop Casimir from building this son of a bitch.

Casimir had been drawing up a budget for it on this particular evening, because budget time for the Student Government was coming up soon. Not long after the exterminator's visit, Casimir got stuck. Many of the supplies he needed were standard components that were easy for him to get, but certain items, such as custom-wound electromagnets, were hard to budget for. This was the sort of fabrication that had to be done at the Science Shop, and that meant dealing with Virgil Gabrielsen. After nailing down as much as he could, Casimir gathered his things and set out on the half-hour elevator ride to the bottom of the Burrows.

In the interests of efficiency, security, ease of design and healthy interplay among the departments, the designers of the Campustructure had put all the science departments together in a single bloc. It was known as the Burrows because it was mostly below street level, and because of the allegedly Morlockian qualities of its inhabitants. At the top of the Burrows were the departmental libraries and conference rooms. Below were professors' offices and departmental headquarters, followed by classrooms, labs, stockrooms and at the very bottom, forty feet below ground level, the enormous CC– Computing Center– and the Science Shop. Any researcher wanting glass blown, metal shaped, equipment fixed, circuits designed or machines assembled, had to come down and beg for succor at the feet of the stony-hearted Science Shop staff. This meant trying to track down Lute, the hyperactive Norwegian technician, rumored to have the power of teleportation, who held smart people in disdain because of their helplessness in practical matters, or Zap, the electronics specialist, a motorcycle gang sergeant-at-arms who spent his working hours boring out engine blocks for his brothers and threatening professors with bizarre and deadly tortures. Zap was the cheapest technician the Science Shop steering committee had been able to find, Lute had been retained at high salary after dire threats from all faculty members and Virgil, to the immense relief of all, had been hired three years earlier as a part-time student helper and had turned the place around.

Science Shop was at the end of a dark unmarked hallway that smelled of machine oil and neoprene, half blocked by junked and broken equipment. When Casimir arrived he relaxed instantly in the softly lit, wildly varied squalor of the place, and soon found Virgil sipping an ale and twiddling painstakingly with wires and pulleys on an automatic plotter.

They went into his small office and Virgil provided himself and Casimir with more ale. "What's the latest on Sharon?" he asked. "The same. No word," Casimir said, pushing the toes of his tennis shoes around in the sawdust and metal filings on the floor. Not quite in a coma, definitely not all there. Whatever he lost from oxygen starvation isn't coming back."

"And they haven't caught anyone."

"Well, E14 is the Performing Arts Floor. They used to have a room with a piano in It. The E13S people didn't like it because the Performing Artists were always tap dancing."

"We know how sensitive those poor boys are to noise." "A couple of days before the piano crash, the piano was stolen from E14. Two of the tap-dancers had their doors ignited the same night. A couple of days later, E13S had a burning-furniture-throwing contest, and it just happens that at the same time a piano crashed through Sharon's ceiling. Circumstantial evidence only."

Virgil clasped his hands over his flat belly and looked at the ceiling. "Though a pattern of socio-heterodox behaviors has been exhibited by individuals associated with E13S, we find it preferable to keep them within the system and counsel them constructively rather than turn them over to damaging outside legal interference which would hinder resocialization. The Megaversity is a free community of individuals seeking to grow together toward a more harmonious and enlightened future, and introduction of external coercion merely stifles academic freedom and– "

"How did you know that?" asked Casimir, amazed. "That's word for word what they said the other day."

Virgil shrugged. "Official policy statement. They used it two years ago, in the barbell incident. E13 dropped a two-hundred-pound barbell through the roof of the Cafeteria's main kitchen area. It crashed into a pressure vat and caused a tuna-nacho casserole explosion that wounded fifteen. And the pressure is so high in those vats, you know, that Dr. Forksplit, the Dean of Dining Services, who was standing nearby, had a nacho tortilla chip shard driven all the way through his skull. He recovered, but they've called him Wombat ever since. The people who handle this in the Administration don't understand how deranged these students are. Now, Kruno and his people would like to pour molten lead down their throats, but they can't do anything about it– the decisions are made by a committee of tenured faculty."

Casimir resisted an impulse to scream, got up and paced around talking through clenched teeth. "This shit really, really pisses me off. It's incredible, Law doesn't exist here, you can do what you please." "Well," said Virgil, still blasи, "I disagree. There's always law. Law is just the opinion of the guy with the biggest gun. Since outside law rarely matters in the Plex, we make our own law, using whatever power– whatever guns– we have. We've been very successful in the Science Shop."

"Oh, yeah? I suppose this was something to do with what you said the other day about some unofficial work here for me." "That's a perfect example. The researchers of American Megaversity need your services. It's illegal, but the scientific faculty have more power than the rule-enforcers, so we make our own law regarding technical work. You keep track of what you do, and I pay you through the vitality fund.

"The what?"

"The fund made up of donations from various professors and firms who have a vested interest in keeping the Science Shop running smoothly. Hell, it's all just grant money. In the egalitarian system we had before, nobody got anything done."

"Look." Casimir shook his head and sat back down. "I don't want even to hear all this. You know, all I've ever wanted to be is a normal student. They won't let me take decent classes, okay, so I work on the mass driver. Now I come here to get your help and you start talking about local law and free enterprise. I just want some estimates from you on getting these electromagnets wound for the mass driver. Okay? Forget free enterprise." Casimir dropped a page of diagrams and specifications on Virgil's desk.

Virgil looked it over. "Well, it depends," he finally said. "If we pretend you're just a normal student, then I will charge you, oh, about ten thousand dollars for this stuff and have it done by the time you graduate. Now, unofficially, I could log it in as something much simpler and charge you less. But you can't put that into a formal budget proposal. Very unofficially, I might do it for a small bribe, like some help from you around the Shop. But that's really abnormal to put in a budget. Looks like you're stuck."