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In the setup for my story, the Earth became messed up in such a way that plate tectonics went haywire. Lots of land was subducted, continents moved around, there was a great increase in earthquakes/volcanoes/etc.

After the major chaos stopped, a group of survivors was cut off from any other major areas and, thinking there was a chance that they were the last humans alive (with no safe way to leave), set about trying to preserve technology that they thought would be necessary to society.

What important technology would be reasonably practical to expect the method of manufacture/maintenance/use to be preserved for generations?

This question gave some good information that I'm looking for, but it mostly focused on weapons, and preserving the technology itself rather than the method of manufacture.

Some information about the specific location would probably be useful here:

  • The area consists of islands. They're in the Pacific Ocean now, and that's where they still are (although some have moved quite a bit). No other land is nearby enough to safely get to (or guaranteed to exist at all).
  • Most communities are fairly small. Sapporo is the largest real life city accounted for, but it's likely that it lost a large portion of its population in the events, especially considering it moved the most of all the areas. Hokkaido is the largest island, but the next largest after that is Unimak Island, which is barely over 4000 km in area.
  • The climate isn't very hospitable. Unalaska represents the basic weather conditions of the area. Very rainy/snowy, frequent storms, near-constant fog, generally not fantastic.
  • Fishing is the major industry in this area now. It's also the main industry in my story.

So that said, I was thinking logical candidates for preservation would be:

Basic Medical/Survival Knowledge: This would be both easy and incredibly valuable. I don't see any reason this would be left out.

Radio: With a territory that consists entirely of islands, radio communications would be pretty important for any sort of functioning society. I'm not entirely certain how difficult it is to make a radio, however.

Basic Motorized Transport: I'm mostly thinking in regards to ships, since they would be so important to both industry. (It's also probably easier to make.) The major issue here would be preserving how to build them. They'd likely be simple, and only good for short trips at one shot.

Electrical Heat/Light: Considering the climate, it would probably be best to have these conveniences. However, these would be easily the most difficult of the above to produce and maintain. In addition, would the technology for electric light be viable to produce and maintain? Is there a way to generate electric light without basic lightbulbs that's simple enough to be usable? Heat is likely the more practical of the two options.

So my biggest question is,

In my story set thousands of years after this occurred, would it be reasonable to assume these technologies could still be manufactured and repaired?

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    $\begingroup$ Welcome to worldbuilding! Please narrow down your question to 1 single problem per post. Splitting your questions in multiple posts is fine. Also, try to avoid opinion based questions. " What is the best ..." is usually strongly opinion based. $\endgroup$ – L.Dutch - Reinstate Monica Mar 9 '18 at 6:49
  • $\begingroup$ I tried editing it to fix those problems. I can do more if I need to! $\endgroup$ – Defiant_Kitsune Mar 9 '18 at 7:01
  • $\begingroup$ You mention them being preserved for generations, as well as still being used/manufactured after thousands of years. Are you going for "this is what is needed to rebuild this stuff long after an apocalypse", or more like "this is what we could still simply use long after the apocalypse"? $\endgroup$ – Giter Mar 9 '18 at 13:24
  • $\begingroup$ This just sounds like this anime: myanimelist.net/anime/38691/Dr_Stone $\endgroup$ – In the name of the story Feb 16 at 0:13
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Start by thinking like your first generation of survivors

In the middle of the chaos, what is everyone focused on? In the days immediately after things settle down? In the months that stretch to years?

Your first and biggest concern will be safety. This means first aid, shelter/construction, self-defense from raiders, and food. If your original group of survivors lived in a religious region, then religion would certainly be preserved and possibly even elevated to a more central role in their society as well.

Everything that doesn't immediately feed into survival is now a luxury. A luxury that no one can afford. Anything that requires national or international scale manufacturing / refinement processes is a luxury that no one can afford. Anything that requires massive resources to bring about? Gone.

It won't be until later, after everyone is sure that the panic-phase of chaos is over, that they'll wish they'd taken more time to hoard technical books. Or download how-to guides to their portable devices before the internet went dark (and then print them out before the paper and ink run out).

But it will probably be too late for entire swaths of things we take for granted. Survival will have meant running, not carefully plotting out the future actions needed to keep technology working.

Extrapolate up from there

Medicine

So based on that, emergency medicine will stick around. Not all medicine though. Cancer treatment, or treatments for any of a thousand different chronic illnesses will probably be lost. No one will care how to produce insulin or any of a thousand drugs that are hard to reproduce without a vast manufacturing system. But drugs like penicillin might stick around. Or drugs that are reasonably easy to make from the resources at hand (natural extracts, etc.).

First aid, bone-setting, the need for cleanliness, those are all likely to survive.

Agriculture

Farming, fishing, etc. must be preserved. But the methods will change. There won't be any factory-made, mass-produced foods. There won't be any huge farm equipment. So farming will revert to a far simpler basis. Oxen or horses will be the main farm machinery rather than giant combines and tractors. Fishing will revert, too, to small-scale. But this is a vital industry, so agriculture won't go away.

Weapons and Self-Defense

The era of tanks and battleships and drones is done. No way your new world can support the industries necessary to build, maintain, and fuel those machines. The chemistry behind gunpowder will be preserved if the raw ingredients are available. If not, that may be lost as well. You might see a resurgence of medieval or early technology levels. Long bows, maybe swords, definitely spears.

If your survivors have access to stone, then castles may return as a means of self-defense. Especially if they come under organized attack. Even if not, they may maintain stone walls as a defense against animals. Or earthen walls as a protection from attack and floods.

Manufacturing

The days of industry and mass production are gone, at least for a while. If anyone knows even the basics of blacksmithing, those skills will become vital. If not, then people will have to re-learn those skills and fast. There's simply no other effective means to maintain metal tools.

For a generation, perhaps two, after the fall, your people can continue to use found items. But after that, they're on their own and must construct new things. Blacksmithing, weaving, dyeing, sewing. These manual skills must be learned anew by your survivors.

High Technology

You can forget technology. Do you know how to produce a radio from raw materials? A calculator? While found items can be maintained for a time, eventually electronics stop working. Or power sources run out or fail. Within a hundred years, no one will use electronics for their original purpose.

Building new electronics is unlikely, since doing so requires factories and a wide range of specialized skills. Skills that are hard to come by, rarely all found in the same area, and need too much of the resources available to a subsistence-level region trying to not die. Radios will be awesome, but they won't last a century.

If anyone can find really old, pre-integrated circuit, radios, they might can figure out how to manufacture those. But that's unlikely at best. But modern electronics require too much supporting tech for it to have survived the fall and the struggle to not die during all that.

Motorized transport

Like High-Tech, this isn't going to survive long. Searching this site will show various questions about fuel reserves' shelf life. Eventually, the gasoline runs out. Do your survivors have access to working oil wells? To working refineries? Do the survivors have the skills to run those sites? The skills and raw materials needed to replace all of the various plumbing, pumps, and other equipment required to maintain the wells and refineries as those parts fail?

If not, you've got at most 5-10 years of vehicle life for diesel engines, less for gasoline. If so, then your cars and machines may last a generation before parts become too rare. Because all of the parts inside the typical car or construction machine have a shelf life. The moving parts wear out. The metal parts rust. The batteries and electronics all age out eventually. And each one of those parts must be manufactured anew. And often with extremely high tolerances using raw materials that aren't usually all in one region. Materials that require mining, refining, and processing to even introduce to your manufacturing process.

Electricity

Maintaining electricity isn't that hard, relative to everything else above. But your people, if they are smart, will recognize that it's no longer a commodity. It's a rare resource to be used for special purposes. Your hospital needs it, for as long as their equipment lasts. If you can maintain any kind of quasi-factories or food storage / prep centers, they may need it.

But within a decade or two, they'll be using windmills. So power won't be a thing that's always on for everyone. It's just too resource-intensive to keep the lights on. And, over time, the things that need that power will be harder and harder to find.

And so within a few generations, the need for electricity will be gone. There just won't be enough things left that require it to justify the resources it takes to maintain.

A real world example

Smithsonian Magazine, March 2018 edition, describes a situation that can be used to show some of this. A documentary film maker went to Papua New Guinea decades ago and filmed a couple of documentaries. In them, a local tribe is discovered. They are shown, for the first time, ideas like "business". One of the tribes sets up a coffee plantation. They use the funds to build a fancy modern house. They get electricity and set up a satellite receiver to watch TV.

But then a drought sets in. The crops begin to fail. The film maker comes back twenty or so years later. The house has no windows or electricity. The satellite dish is rusting and of no use. The tribe has reverted to their ancestral lifestyle of growing subsistence farm vegetables and living life their way. Technology wasn't helping them survive, so they dropped it and moved on with their lives.

In times of crisis, we drop the things that don't help us survive the crisis.

Thousands of years later

After thousands of years, they may have built up enough to recover from the dark times. But those times will be shrouded in mystery and folklore.

Some tech will have been resurrected. But probably nowhere near a return to pre-collapse levels.

Think about it like this:

The Romans had roads and indoor plumbing a thousand years ago. My mother grew up on a farm that did not have indoor plumbing when she was born less than 100 years ago. And that farm was on an unpaved road. She can distinctly remember getting indoor plumbing as a child.

It takes a very long time to recover that which is lost to Dark Ages.

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  • $\begingroup$ I agree with most of this, apart from the utility of electricity. There are real-world uses that could persist past the decay of 'modern' technology, such as the ability to produce light without burning fuel and/or creating smoke. $\endgroup$ – K. Morgan Mar 9 '18 at 17:58
  • $\begingroup$ Oh, I'm not doubting its usefulness at all. I'm doubting the survival rates of the things that USE electricity. A light bulb lasts a few years on reliable, stable house power. How long on rough generators that surge and brown out regularly? How hard is it to successfully make a light bulb? $\endgroup$ – CaM Mar 9 '18 at 18:04
  • $\begingroup$ Simple light bulbs (or something like them) are not that hard to make if you have access to wire. Here's an example: wikihow.com/Make-a-Light-Bulb I take your point though about their likely failure rate in the presence of an unstable electricity source. $\endgroup$ – K. Morgan Mar 9 '18 at 18:28
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I disagree with all of this, but I'll answer the question first:

People need to eat and be safe from each other and the elements. Agricultural skills (including ranching for sure) and chemistry would be high on the list. Chemists can make gunpowder and fertilizer. Farmers can feed and clothe you. Machinists would be pretty invaluable. they can make or fix things, and that will make all other things easier (like the farming).

Now, the disagreement bit, addressed to CaM and his dark post on the DOOM OF US ALL. Man, respectfully... you must think everyone alive today is stupid.

The manufacture of many, many things is not only possible, it's simple. Integrated circuitry is very hard. It requires a great deal of skill and very specialized facilities to make that happen.

But, c'mon... you think it is difficult to build a radio? Or to use electricity to drive electric motors or lighting? Radios are easy, because we know, as a society, how vacuum tubes work. Making some would take a minute or two, and then whatcha know... RADIOS. And many other things. The key is TOOLING, and the basics would remain in place. Machine shops are common as common can be, and require rather unclean sources of power to operate. I'm no expert on many things, but I can make a radio. Find me a glassblower and some pretty common materials and I can make vacuum tubes, then transmitters, then radios. From there, it's the 1930's... except we have tens of millions of books to read on how the technology of the modern world works. We also have power tools to start the retooling process. You don't use tools until they wear out... you use tools to make tools. That's re-tooling. Within five years, some guy somewhere would start selling his handmade benchgrinders, air-compressors, power-drills, power hammers, electric fans... once you can make one of these things, the rest come pretty damn easy.

You suggest we would continue to devolve into some dark age for over a thousand years, and that is just not true. There are people brighter and smarter than I am that can build cars from scratch, build batteries, build generators, build water pumps (always forgotten in these posts), distill ethanol for fuel (after converting existing cars to run on it).

So no... we would not fall into darkness. We'd be set back 100 years in most technology, 200 years for some technology, and maybe 500-1000 years in population. The thing that would make it hard to recover our current civilization would be our global system of commodity trading. That would be destroyed, regardless of the calamity. We'd not see any "High-Tech" stuff until that came around again. The materials are rare and separated by large distances. The specialized factories required to make integrated circuits, touch screens, and the other trappings of our information age would be nigh-on impossible to recreate within 100 years. Assuming the sources of some of the rarer materials weren't obliterated, refinement, transport, and fabrication would be beyond us. But only for a little while. Even radiation wouldn't be a problem, really.

I'd like to point out I saw a post on here somewhere where some guy said a library would be the last place to be looted. HAHAHAHAHAHAHAHAHAHAHAHA

People would have to be racing my ass to loot the damn library. Imma beat you there.

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  • $\begingroup$ Welcome D Price to World Building @ SE. I think your very good and concise answer to the OP's question is diminished by directly addressing other responses. If you have constructive feedback applicable to other answers, you can 'add comments' to communicate that information. Following that practice will improve the score you receive for your efforts. $\endgroup$ – EDL Feb 15 at 22:10
  • $\begingroup$ I could care less about any score. . $\endgroup$ – D Price Feb 15 at 22:57
  • $\begingroup$ I think your reply to D Price's comment is diminished by being some kind of forum rules police. $\endgroup$ – D Price Feb 15 at 23:00
  • $\begingroup$ Just trying to be helpful. Your primary answer is good. When you share ideas on a public forum, its best to not be too skinned, and try to hear the intent behind other's observations. $\endgroup$ – EDL Feb 15 at 23:05

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