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Authors: Christian Cantrell

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The costs associated with manufacturing, packaging, and shipping goods was further reduced by On-demand Automated Manufacturing Plants. ODAMPs were initially described as being similar in concept to printers. A printer could produce any conceivable image no matter how complex provided it had just a few basic colors and the correct instructions. Similarly, ODAMPs could produce, package, and ship thousands of different and even highly customized products given nothing but schematics, specifications, and the necessary raw materials.

ODAMPs were extremely simple in theory, however in practice, they constituted the most complex manmade systems ever conceived of and built. A typical ODAMP encompassed dozens of square kilometers of factory space which was filled with thousands of highly diversified robots and pieces of equipment along with hundreds of metric tons of raw materials. Once an ODAMP went online, the only subsequent interaction humans had with the factory was delivering new shipments of raw materials and picking up items ready to be shipped. Everything else was performed by highly adaptive, self-sufficient, self-organizing machines. The entire process of scheduling and coordinating the production of items was completely automated, including receiving and confirming orders, locating appropriate schematics and specifications, converting raw materials as needed, constructing individual components, and finally, assembling and packaging final products — all as quickly and efficiently as possible. ODAMPs even prepared shipping schedules and routing instructions before placing items on a loading dock to be picked up and hauled away.

Even the creators of ODAMPs had only a very dim notion of what actually went on inside the massive unlit electronic hives.

ODAMPs resulted in an almost unimaginable level of manufacturing efficiency. Just a few dozen ODAMPs manufactured over 90% of the products in the world, and not a single product was manufactured that wasn't needed. ODAMPs were eventually even able to perform diagnostics and repairs that human labor costs had previously made impractical, and over time, each ODAMP was upgraded so that it had the ability to accept almost anything as a raw material — even truckloads of end-of-lifed items. Every manufactured good had the potential to eventually become almost anything else through an ODAMP, and almost nothing was wasted. And, of course, the entire process was powered by nearly unlimited and completely pollution-free energy.

But even with the cessation of almost all greenhouse gas emissions and pollution, enough carbon dioxide and methane had already been released into the air and dissolved into the oceans that even the most optimistic predictions still showed Earth's mean temperature continuing to rise for hundreds of years. With unlimited clean energy, however, it became possible to split infrared-absorbing molecules in the atmosphere into their more benign constituents without actually creating more waste than you were converting. Clean Air Catalyst Machines were able to remove greenhouse gasses from the atmosphere at rates far faster than Mother Nature herself could have ever achieved, thereby clearing the way for far simpler and cheaper innovations like Ice Paper.

Ice Paper was invented by an undergraduate college student who figured out that the upward facing surface area of all the cars in the world was almost exactly equal to the surface area of the Arctic and Antarctic polar ice caps which had long since melted. Rather than writing an academic paper on the concept (which he was certain his professors would scoff at since they hadn't thought of it themselves), he dropped out of school and invented Ice Paper. Thanks to his girlfriend (who was studying political science before dropping out herself), Ice Paper was soon required by international law to cover every hood, roof, trailer, and trunk in the world, almost entirely replenishing the Earth's ability to reflect solar radiation back out into space in the span of only a few years. By associating radiation reflection with cars, concentrations of Ice Paper were inherently proportional to the amount of industrialization and urbanization in a given region which actually made it even more effective and efficient than the polar ice caps could ever have been.

With a flourishing global economy and the cleanest, healthiest environment the world had seen since before the Industrial Revolution, the Earth Crisis was officially declared "averted," and it was time once again to turn humanity's attention toward exploration and outward expansion — or as the politicians never tired of repeating, to "get serious about space." The challenges of the previous 160 years had promoted an unprecedented level of global cooperation that carried over into the new space program, and led directly to the formation of the Global Space Agency.

The GSA's headquarters were established at the precise juncture of China, Pakistan, and India in a region known as Aksai Chin. Logistically, the site made perfect sense because it was almost entirely uninhabited, received almost no precipitation to delay launches thanks to the ability of the Himalayan mountains to intercept moisture, and was an entirely flat desert of salt which made it easy to build on (the extreme cold was a concern initially until the Russians convinced the Site Selection Committee that launching in subfreezing temperatures was not only safe, but exhilarating). Politically, the site was a symbol of the world's ability to put centuries-old disputes aside for the benefit of all of mankind.

The GSA needed to warm up a little before tackling the big missions, so they completed the Moon Base (which was never considered an actual colony because although it was constantly manned, there were no permanent settlers), repaired and upgraded the Moon telescope, built and deployed the ISS II (which this time looked like a proper space station with segments that rotated to create centrifugal gravity and large windowed observation decks), and even completed several manned missions to Mars. With a success rate of 99%, with unprecedented public support, and with mankind riding the biggest wave of economic, scientific, and cultural prosperity in history, the human race had earned the right to expand into the rest of the solar system.

 

CHAPTER SEVEN
Water Pressure

T
he day before Arik started work at the Life Pod, he got an audio message from one of his former teachers. Her voice was characteristically dignified and elegant with its usual undertone of assertiveness.

"Hello, Arik. Rosemary Grace here. I just heard about your assignment to the Life Pod. Congratulations. As much as I was hoping we'd get you, I knew that wasn't possible. All the best talent must go in to solving the air problem right now, as you know. For now, that's our top priority.

"I know you're preoccupied with beginning your new career, but I want you to do something for me. I'd like you to stop by my office tomorrow morning on your way into work. I have a couple of things I'd like to discuss with you. It'll only take a few minutes. Consider it your final homework assignment. See you soon."

Rosemary worked for Arik's father in the Water Treatment Department. She was an environmental and hydraulic engineer by trade, but she taught Gen V about much more than just computational fluid mechanics, flow dynamics, and particle image velocimetry. Those were things that computers were good at, she told them. The next generation of scientists and engineers needed to get better at the things computers weren't good at: creativity, intuition, resourcefulness, and perhaps most importantly, curiosity. Half of each lesson was hard science, but the other half was not so much about learning anything in particular as it was about learning
how
to learn — how to think both critically and creatively in order to solve seemingly impossible problems. Her lessons were some of the most inspiring, engaging, and challenging material Arik had ever encountered.

Early on, she had taught them the real meaning of Occam's razor. Developed by an English logician in the fourteenth century, Occam's razor was usually understood to mean that all things being equal, the simplest solution is usually the correct one. In Rosemary's view, this was, ironically, an oversimplification of the principle, and not an accurate or even useful interpretation. Nothing was simple, she maintained, and there's certainly nothing about a simple solution that makes it inherently more valid than a complex one. In fact, in her experience, the more variables, subtleties, vagaries, and contingencies that a system took into account, the more useful and reliable and realistic it was. Our penchant for simplicity — our need to reduce everything to good or bad, black or white, on or off — could rarely be imposed on the universe, no matter how hard we tried. If something seemed simple, you probably just weren't looking at it hard enough or peeling away enough layers to see what's really beneath.

The real meaning of Occam's razor, Rosemary believed, was that explanations and solutions should be free from elements which have no real bearing on the system in question — that solving problems isn't so much about simplifying them as it is about properly and realistically reducing them to only what's relevant. And one of the best ways to reduce a problem to only what's relevant is to throw away most of your assumptions about it. Nothing has misled researchers and impeded scientific progress more throughout history than incorrect and inappropriate assumptions and preconceptions.

Rosemary's personal aphorism, which she tirelessly worked to instill in her students, was "Question Everything."

The smell of the chemicals used in the water treatment process reminded Arik of his father. It was always in Darien's clothes and in his hair, and it made Arik think about when his father used to reach over him to help him with something in his workspace, or the smell of the breeze he made when he walked by. Most people considered the smell unpleasant, but it reminded Arik of home.

Rosemary's office was on the second floor of the Wet Pod, above the plant, at the top of an open metal staircase. When the door opened, the chemical smell was overwhelmed by the aroma of fresh coffee, and Arik remembered that Rosemary always had a fresh pot brewing even though she preferred tea. She used it to cover up the smell of the chemicals (which reminded her of work, not home), and to keep a steady flow of her staff coming and going so she could keep up with what they were working on without having to hold formal meetings. She told her class once that meetings were not actually for communicating, but for fixing breakdowns in communication. In a well-run work environment, communication should be constant and efficient and organic, and formal meetings should almost never be necessary.

"Come on in, Arik," Rosemary said warmly. "Thank you for coming."

She was seated in front of her workspace with her hands around a cup of tea. It was difficult to guess how old Rosemary was because her apparent age varied dramatically depending on what she was doing. When she was focused on something, the lines around her eyes and mouth became much more prominent, and her hair seemed to be more wiry gray than blond. But when Rosemary was passionate about something — when she was speaking and moving and smiling and gesturing — she assumed an extraordinary beauty, and was every bit as youthful as Arik.

The walls of the office were currently transparent which provided a spectacular view of the entire water treatment facility. Below them were complex networks of pipes, valves, pumps, and narrow catwalks woven around still pools of pure blue water. Darien had shown Arik around the Wet Pod several times as Arik was growing up, and some of Rosemary's classes had been held in her office, so none of this was new to him. He was much more interested in the intricate model of an entire pod system on a table in the middle of the room.

"I thought you might have some good advice for me on my first day," Arik said. He was helping himself to a closer look at the model, bending down and peering at it from several angles.

"I do, but it's going to cost you. First, I need your help. Do you know what that is?"

"No. It doesn't look like V1."

"It's not. It's V2. Or at least it's the current proposal."

"Is this to scale?"

"Yes. What do you see that's different from V1?"

"There's no greenhouse."

"Yes, that's the biggest difference. Anything else?"

"The water tower."

"Exactly. As you know, we use pumps to pressurize our water supply, but pumps use a lot of energy, and they're difficult to maintain. Since there are peaks and valleys in water demand, we have to use several different types of pumps so we can dynamically increase and scale back pressure as necessary. Worse than being inefficient, it's incredibly
inelegant
."

"So V2 is going to use a water tower instead?"

"That's what I'm proposing. Water towers use gravity to create all the pressure you need, regardless of demand. And you only need a single simple pump to refill it once a day from the clean water reservoir. It uses much less energy, and there's very little to maintain."

"Why doesn't V1 use a water tower?"

"There was no way to build one at the time. In truth, there still isn't, but I'll worry about that later. First, I have to prove that it's a good idea. What do you think?"

"I think it makes sense. The fewer moving parts, the better."

"Exactly. No truer words were ever spoken in the context of engineering."

"Why did you build a physical model?" Arik asked. "Why don't you just use computer models?"

"Ah, very good question, and precisely the reason I asked you to come. We do have computer models, but how would we know whether they were accurate without testing them against a physical model?"

"Why wouldn't they be accurate? This all seems pretty straightforward to me."

"I don't know why, but they aren't. Everything having to do with water storage and delivery is identical between the physical and computer models, and the physical model is perfectly to scale, yet the pressure sensors are showing higher levels of pressure than the computer models report."

"There must be a mistake in the physical model."

"Why the physical model? Why not the computer model?"

"Because hydrostatic formulas are very well understood and proven, so they can't be wrong. And computer models are much easier to analyze, so it's much more likely that the error would be in the physical model."

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