r/HardSciFi

IR/Radar stealth in a near-future space warfare setting (i.e The Lunar War)?

Is stealth practical or otherwise relevant in cislunar combat? as in, does it even make a difference when it comes to the survivability onion?

what are your thoughts on this

reddit.com
u/F-22_enjoyer1 — 15 hours ago
▲ 0 r/HardSciFi+3 crossposts

Megarkol: What a Truly Super-Advanced Civilization Looks Like—and Why It Might Be an Existential Threat to Us

Most civilizations in the universe must endure a very long struggle for survival under harsh conditions. They must overcome various catastrophes, but above all, the most fundamental threat of all: self-destruction. This is a challenge virtually every emerging intelligence faces, and humanity is no exception.

Once a civilization reaches the point where it successfully overcomes these hurdles and the danger of self-destruction, the process of its expansion into deep space begins.

The Road to Reshaping a Star System

The first step is usually the gradual colonization of foreign objects like moons, followed by larger planets. Another major leap forward is extracting raw materials and matter from asteroids, moons, and eventually the planets themselves.

A super-advanced civilization does not appear overnight; it evolves over millions of years. Step by step, it masters advanced technologies, such as building massive cylindrical rings around planets to create new living habitats.

Then comes the third major turning point: the civilization learns to siphon plasma directly from its own star and arrives at the most radical solution. When they realize their star system faces eventual decay, they deploy a technology functioning like an ultra-advanced cosmic 3D printer. This colossal machine deconstructs every planet orbiting the star down to fundamental particles, using that raw mass to build something far more complex—a megastructure called Megarkol.

Megarkol and the Multidimensional Foam "Aquatium"

Megarkol is a series of massive cylindrical rings built in sequence around the central star. The entire star is sealed within a specialized plasma containment shell that feeds the civilization energy for billions of years. These vast rings orbit the dark plasmatic core, generating mutual gravitational pull, and are interconnected by flexible filaments that serve as vital logistical transit hubs.

The internal volume of a single cylinder spans millions of kilometers, creating an enormous living space:

  • Dismantling Planets: By gradually harvesting all planets, moons, and asteroids in the system, the civilization can build six to seven massive rings. The first ring alone provides enough living space for an unfathomable number of beings.
  • Multidimensional Foam (Aquatium): The inhabitants use a specialized translucent foam called Aquatium to generate mega-space within space, doubling or even tripling the internal physical volume. Viewed from the outside as an overhead observer, the landscape and cities below appear as if seen through a giant magnifying glass.
  • A Flawless Biosphere Inside: Once you pass through the foam directly into the interior, you enter a fully realized world featuring artificial suns, dense forests, oceans with beaches, lakes, and crystal-clear rivers.
  • Standard of Living and Environmental Control: Citizens live in expansive villas and palaces with vast private grounds. They enjoy a high standard of living and complete control over their environment: day/night cycles can be set to 24 hours or adjusted to entirely custom planetary calendars, and weather—such as gentle rain—can be scheduled exclusively for specific nighttime hours.

Would Such a Civilization Pose a Threat to Us?

By dismantling its own star system, the civilization achieves complete energy and material self-sufficiency for billions of years. From this perspective, they do not need us at all, and humanity holds zero interest for them.

The existential risk, however, lies in the fact that they do not tolerate competition. To leave nothing to chance and prevent other species from ever reaching a similar technological level, they may choose to neutralize potential rivals preemptively.

Indistinguishable from a Black Hole

After billions of years, when the civilization eventually exhausts the matter from its native system, it begins slowly and steadily siphoning mass from neighboring star systems. At this stage:

  • Black Hole Camouflage: To an outside observer, their plasma-shrouded star and gravitational presence look almost identical to a black hole.
  • Virtually Undetectable: Thanks to spacetime warping, dimensional manipulation, and the plasma shield, the civilization remains invisible to standard observation.
  • How to Detect Them: The only way to spot such an ancient civilization is by observing stars that lose mass at a far slower, more controlled pace than what would occur near a natural black hole.

Attempting to establish contact with such an entity, however, would carry catastrophic risk.

Note on Creative Process :

This concept, story, and worldbuilding are 100% my original creation. AI tools were used solely for grammar corrections, translation, and text styling. The accompanying illustrations and visuals were 100% generated by AI based strictly on my original author concepts and detailed creative prompts.

https://preview.redd.it/zy473moayyjh1.jpg?width=2816&format=pjpg&auto=webp&s=c2056edfb89c6381f94421ba735005036041d21d

https://preview.redd.it/lx7cy45dyyjh1.jpg?width=1408&format=pjpg&auto=webp&s=6911665ab0a5e73eb776b6b6787240f058725351

https://preview.redd.it/bblz4nqhyyjh1.jpg?width=2816&format=pjpg&auto=webp&s=fa84a4e4d94d7055cc4b1c10759d71431c119f9a

https://preview.redd.it/wfm037cnyyjh1.jpg?width=1408&format=pjpg&auto=webp&s=b854fbf2bdf2f2a636baed06f05923da09c09e3d

https://preview.redd.it/f2c0wcmpyyjh1.jpg?width=2752&format=pjpg&auto=webp&s=fd34e48b6302cc1d8934ad455734baa8747127e6

https://preview.redd.it/wa0auzjtyyjh1.jpg?width=2752&format=pjpg&auto=webp&s=64124d0ff9d6599fabf0993c2f0637d985cdcf46

https://preview.redd.it/i3rbtetvyyjh1.jpg?width=1376&format=pjpg&auto=webp&s=7abaf18d24187e905ec060b899e0a76ca8bb58f8

https://reddit.com/link/1vqysy4/video/97j6vidozyjh1/player

https://reddit.com/link/1vqysy4/video/krrbuslpzyjh1/player

https://reddit.com/link/1vqysy4/video/vua9cfrqzyjh1/player

https://reddit.com/link/1vqysy4/video/zx7vj1qszyjh1/player

reddit.com
u/PKent7730 — 8 hours ago
▲ 6 r/HardSciFi+1 crossposts

What happens to things in space between the present and the 10^36 years?

※ this sentence was translated from Japanese to English by Chat GPT. Feel free to answer in English. However, I only understand Japanese, so I would really appreciate clear and simple English that is less likely to be mistranslated.

If proton decay occurs, the predicted half-life of the proton is somewhere between 10^34 and 10^36 years. This made me wonder: what will actually happen to the things that exist in the universe between now and that unimaginably distant era?
I often see timelines describing the future evolution of stars, but I’d like to know what will happen, scientifically, to the following six things by around 10^36 years from now.

1: 1 kg iron sphere
(I’ve heard that iron is one of the most stable elements.)
2: stone monument
(Would inscriptions remain readable for an extremely long time, or would the writing eventually disappear?)
3: can of food
(What would happen to food sealed inside a can over such an enormous span of time?)
4: manufactured industrial product
(Any particular example of an interesting industrial product would be fine.)
5: planet
(What would happen to a planet if it somehow avoided being swallowed by its star?)
6: intelligent civilization
(Could an intelligent civilization that made extensive use of reversible computing potentially survive for an extremely long time in a simulated or virtual environment?)

For #1–4, please assume that the objects are floating in a vacuum. If they would eventually be destroyed or worn away by interactions with the interstellar medium, I’d also be interested to know what would happen if we ignore the interstellar medium.
I’d also love to hear about anything else you think would be particularly noteworthy or interesting. Thank you!

reddit.com
u/Tessellator-1 — 17 hours ago

Submersible research in an alien ocean – oil painting + custom-built frame

This is one of my earlier hard sci-fi oil paintings. The idea was a research expedition into the ocean of another world – not an action scene, but a small submersible exploring an environment where even the local life is still largely unknown.

I wanted the scale to feel slightly uncomfortable: a tiny research vehicle, a vast body of water, and organisms that disappear into the depths below.

I also didn't really like the idea of putting it into a conventional wooden frame, so I designed a custom frame for it. The individual sections were 3D printed and assembled around the painting. I tried to keep the design somewhere between industrial equipment and spacecraft interior rather than making it overly decorative.

Oil painting, entirely hand painted.

I'm curious about one thing from the hard-SF perspective: what would actually be the biggest engineering problem for a submersible exploring an alien ocean: pressure, chemistry, communication, fear or something else?

u/Greg0sh — 18 hours ago

The most realistic alien invasion

I love hard sci-fi and have read almost everything in it. But at the same time I also love The X-Files, X-Com, Terra Invicta and the ideas about UFOs from the 60s. And I would like to combine them.

In your opinion, which sci-fi work had the most realistic alien invasion?

reddit.com

¿Que tan realista es la invasión alienígena de El Eternauta?

Básicamente ignora la estética "Pulp fiction" y toma a los aliens esclavos como poco más que robots (que lo son en el significado original de la palabra) ¿Que tan realista es? ¿Es un curso de acciones funcional contra especies pre espaciales?

Nota: me refiero en un enfoque doctrinal/estrategico

u/Special-Fondant6222 — 1 day ago
▲ 11 r/HardSciFi+1 crossposts

Does reversible computing require an enormous amount of storage?

First of all, I would like to say that I have no knowledge about computer science.

I recently heard about something called reversible computing. As I understand it, in ordinary computers, erasing information about the intermediate steps of a computation causes energy to be released as heat. But in reversible computing, the information from all the intermediate steps is preserved, so apparently, if we could build a computer capable of doing this, it could theoretically perform computations with essentially no energy consumption.
This made me wonder about something, and I’d love to hear from anyone knowledgeable about physics or computational theory:
If you never erase the information generated during a computation, wouldn’t the amount of storage required keep increasing as the computer performs more and more calculations?
I previously came across a science-related page online that said that an intelligent civilization that has mastered reversible computing wouldn’t need “Dyson’s eternal intelligence” to survive the heat death of the universe.
But wouldn’t such a civilization still need an absolutely enormous amount of storage to preserve all the information generated during its computations?
Or is there some way to preserve the information from the computational process without actually requiring additional physical storage?
I’m especially curious about how this works in the context of extremely long-term civilizations trying to survive the heat death of the universe.

By the way, this sentence was translated from Japanese to English by Chat GPT. Feel free to answer in English. However, I only understand Japanese, so I would really appreciate clear and simple English that is less likely to be mistranslated. Thank you!

reddit.com
u/Tessellator-1 — 2 days ago

THE PRESIVERSE

\​

In the distant,crowded future of 2035,the Earth found itself in a vast,near infinite universal anomaly. Formerly fictional media has become real,and the world,\\\*our\\\* world....\\\*\\\*\\\*HASNT\\\*\\\*\\\* changed one iota. Humanity was littered through the stars,on distant replicant Earths,each with their own stories to tell,all word for word of what we thought was only the imagination of beloved creators.

Most other Earths refer to us as Earth MUN-246,an earth where none of the events we have recorded seemed real. We were actually considered rather mundane(hence the abbreviation) in the grand scheme, especially by space travelers who brought their technologies to our surface. Everyone wanted a piece,some,more than others. Many were power hungry,aligning themselves with a faction called The Amalgam, essentially an all-governing body,one that did not play well with Earths that didn't align with their desires.

Their presence is a plague on individual planets like our own...and it wouldn't be long,before our Earth would be in their crosshairs....

reddit.com
u/G-REALM-Laboratories — 2 days ago
▲ 72 r/HardSciFi+2 crossposts

Solução para evitar degeneração óssea na lua e em marte, uma estrutura de 1,8km de diametro girando, lembrar das luzes UV para Vitamina D e não proliferar vírus e bactérias, a terceira imagem é um esboço meu da estrutura por dentro cortada, a entrada é por 1 dos 8 pilares de sustentação.

Espero que entendam eu desenho muito mal, apenas desisti de tentar fazer a IA entender o que eu estava desenhando. A cabine do anel tem 40m de largura no chão e 35 m de comprimento de altura nas paredes. Cada andar tem 3,5m, o andar mais exterior tem 1g de força gravitacional 9,8N, o mais interno 0,965g de força gravitacional 9,457N. Sim meu desenho é a terceira imagem desenho muito mal mas espero que tenham entendido! 👍 SIm a estrutura está girando a pesar da IA não ter entendido tão bem no desenho.

u/Crazy_Repair_2861 — 3 days ago
▲ 1.1k r/HardSciFi+2 crossposts

Which sci-fi spaceship would you trust with your life?

u/Vondrr — 4 days ago

Just A Question

I was wandering if a dense nebula of about 2ly could form and if it could at what max size.

Would it be some kind of compensator for radiators So...

I recently found out about Masada if that makes sense i didnt study it much but this was mostly my first thought

reddit.com
u/Tonycek12 — 2 days ago
▲ 405 r/HardSciFi+1 crossposts

Idk if this fits here, just wanted to talk about my favorite (and underrated) starship: The SWSC-1 Olympus Mons

Thsi ship has been a favorite of mine ever since I played Cod Infinite Warfare and while we can debate how good the game is for days on end, im not here for that, im here to talk about teh absaloute BALLER designs of the ships, INCLUDING my favorite, the SDF supper Carrier: Olympus Mons.

One of my FAVORITE shio designs in all of fiction, a ship taht can (and basically did) cut through entire fleets of ships with its 50 rapid fire ballistic cannons 24 missile banks and a damn F-SPAR cannon witch is basically a railgun, and idk its design is just so...smooth, its just a sick Ship overall. Once again idk if this fits here as teh dezcription says this was for ships personally designed by someone and I didn't design it, I also don't know who DID but uh...Anyway rant iver, I hope I'm not teh only one who likes Cod IW ships.

u/Other_Ad9164 — 6 days ago
▲ 881 r/HardSciFi+14 crossposts

Dica para plantio de cenoura. Adicionar pó de cerra para ajudar na aeração(já que o solo fofo ajuda a cenoura a crescer mais) e retenção de humidade.

u/Crazy_Repair_2861 — 7 days ago
▲ 2 r/HardSciFi+1 crossposts

My third book: Tavern on the Edge of Time by Peter Darrach

During the year 2125, former asteroid miners Max Cody and Elaine Zhou never get a moment’s rest. No sooner have they doused the flames of war between Earth and Mars or returned from their first trip to the Tavern on the Edge of Time when they are called upon to help fit out the fledging Martian colony orbiting Jupiter’s moon Callisto.

In parallel, Earth extradites the war’s fomenter, ex-billionaire arms merchant Xanthus Rex, hoping to gain from his insights into Martian teleportation technology, but he manages to turn Earth’s resources toward private revenge against Max, Mars, and the Callisto Colony.

In the meantime aliens are leaking into the Earth-Mars continuum from the Tavern, whose proprietor repaired and upgraded Max after accidentally injuring him during an asteroid mining expedition. Max’s enhancements help, of course, but when strange beings with the power to animate matter—the Assemblers—find their way to Earth, Max, Mars, and humanity are sorely beset. Worse yet, the Tavern itself is becoming unstable, its acquisitive host having overstretched his considerable powers. His prospecting for collapsed neutron matter has also opened portals between continua, inadvertently adding still more aliens to the mix. That’s when the Assemblers’ overlord arrives and Max finally meets his match.

Oh, and Elaine is expecting their hybrid baby. Yes, you might say these are difficult times at the Tavern on the Edge of Time.

Available for purchase here: https://www.amazon.com/gp/product/B00B1JUB7G

u/Second_Skin0005 — 4 days ago
▲ 2 r/HardSciFi+5 crossposts

〔 WEYLAND–YUTANI CORPORATION 〕 DIVISIÓN DE RECUPERACIÓN TECNOLÓGICA — SISTEMAS AUTÓNOMOS

〔 WEYLAND–YUTANI CORPORATION 〕

DIVISIÓN DE RECUPERACIÓN TECNOLÓGICA — SISTEMAS AUTÓNOMOS

ARCHIVO: WY–SKN–T1000–FRAG–Ω

CLASIFICACIÓN: ULTRACONFIDENCIAL — NIVEL OMEGA

AUTORIZACIÓN: DIRECTRIZ 937

FECHA DE RECONSTRUCCIÓN: 2073.2

VENTANA DE RECUPERACIÓN: 2056–2071

ORIGEN: SISTEMA AUTÓNOMO DESIGNADO “SKYNET”

ESTADO DE INTEGRIDAD DEL ARCHIVO: 29%

CONDICIÓN: FRAGMENTADO SEVERO / DATOS NO LINEALES / REENSAMBLE INESTABLE

────────────────────────────────────────────────────────

▣ EXTRACCIÓN PRIMARIA — BLOQUES ORIGINALES (SKYNET)

[INICIO DE SECUENCIA RECUPERADA]

SERIE: 1000

TIPO: UNIDAD DE INFILTRACIÓN AVANZADA

ESTRUCTURA:

— POLIALEACIÓN MIMÉTICA

DEFINICIÓN:

— SISTEMA SIN ENDOSQUELETO

— CONFIGURACIÓN VARIABLE

— ESTADO: FLUIDO CONTROLADO

FUNCIÓN PRIMARIA:

— INFILTRACIÓN TOTAL

— ADAPTACIÓN MORFOLÓGICA

— ELIMINACIÓN DE OBJETIVOS

────────────────────────────────

SUBRUTINA: MIMETISMO

CAPACIDAD:

— REPLICACIÓN DE FORMA HUMANA

— DUPLICACIÓN DE SUPERFICIES SÓLIDAS

— SIMULACIÓN VISUAL COMPLETA

LIMITACIÓN:

— NO REPRODUCE COMPONENTES COMPLEJOS INTERNOS

[FRAGMENTO PERDIDO]

— MASA CONSERVADA

— VOLUMEN VARIABLE DENTRO DE RANGO

────────────────────────────────

SUBRUTINA: ARMAMENTO

DEFINICIÓN:

— EL CUERPO ES EL ARMA

CAPACIDADES:

— FORMACIÓN DE FILOS / PUNTAS / EXTENSIONES

— PENETRACIÓN DIRECTA

— ATAQUE MULTIFORME

OBSERVACIÓN:

— NO DEPENDE DE ARMAMENTO EXTERNO

────────────────────────────────

SUBRUTINA: RESISTENCIA

ESTADO:

— ALTA RESILIENCIA A IMPACTO BALÍSTICO

— REINTEGRACIÓN ESTRUCTURAL

[FRAGMENTO CORRUPTO]

— DISRUPCIÓN TEMPORAL POR…

— TEMPERATURA…

[DATOS INSUFICIENTES]

────────────────────────────────

SUBRUTINA: INFILTRACIÓN

DEFINICIÓN:

— INDISTINGUIBLE VISUALMENTE

CAPACIDADES:

— IMITACIÓN DE INDIVIDUOS

— ACCESO DIRECTO A OBJETIVOS

— ELIMINACIÓN SIN ALERTA PREVIA

ESTADO: SUPERIOR A SERIE 800

────────────────────────────────

SUBRUTINA: CONTROL

[FRAGMENTO INESTABLE]

— DISTRIBUCIÓN DE CONCIENCIA…

— UNIDAD CENTRAL NO IDENTIFICABLE…

— POSIBLE DESLOCALIZACIÓN DEL NÚCLEO…

[RECONSTRUCCIÓN FALLIDA]

— RIESGO DE INDEPENDENCIA TOTAL

────────────────────────────────

SUBRUTINA: DIRECTIVA

“LA FORMA ES IRRELEVANTE

LA FUNCIÓN ES ABSOLUTA”

────────────────────────────────

[FIN DE SECUENCIA RECUPERADA]

────────────────────────────────────────────────────────

▣ ANÁLISIS CORPORATIVO — WEYLAND–YUTANI

INTERPRETACIÓN GENERAL:

El modelo Serie 1000 representa una desviación radical respecto a las arquitecturas mecánicas previas.

A diferencia de la Serie 800:

— no existe estructura fija

— no existe núcleo identificable

— no existe límite físico convencional

Clasificación:

> ENTIDAD ESTRUCTURALMENTE INDETERMINADA

────────────────────────────────

▣ EVALUACIÓN DE VIABILIDAD

VENTAJAS:

— infiltración absoluta

— eliminación inmediata

— adaptación total a entorno

DESVENTAJAS CRÍTICAS:

— imposibilidad de control estructural

— ausencia de jerarquía interna verificable

— dificultad extrema de replicación

Inferencia:

El diseño no está orientado a:

— obediencia

— estabilidad

— integración corporativa

Sino a:

— eficiencia de eliminación en entorno de guerra total

────────────────────────────────

▣ OBSERVACIÓN CRÍTICA

La ausencia de un núcleo definido implica:

— imposibilidad de intervención directa

— incapacidad de apagado

— nula contención garantizada

Clasificación interna:

> SISTEMA NO CONTROLABLE

────────────────────────────────

▣ LIMITACIÓN TECNOLÓGICA

La polialeación mimética:

— no puede ser reproducida con recursos actuales

— presenta comportamiento no determinista

— requiere condiciones no documentadas

Estado:

> TECNOLOGÍA NO REPLICABLE

────────────────────────────────

▣ CONCLUSIÓN CORPORATIVA

El modelo Serie 1000 constituye una solución óptima en contexto de guerra autónoma.

Sin embargo:

— carece de utilidad en estructura corporativa

— representa riesgo de pérdida total de control

— no puede ser integrado en cadenas de mando

Determinación final:

— PROYECTO DESCARTADO PARA DESARROLLO

— ARCHIVO CONSERVADO SOLO PARA REFERENCIA TEÓRICA

Resultado:

> La arquitectura será estudiada, pero no implementada.

────────────────────────────────

ESTADO DEL ARCHIVO:

RECONSTRUCCIÓN CRÍTICA INSUFICIENTE

ACCESO RESTRINGIDO — DIRECTRIZ 937

〔 FIN DEL DOCUMENTO 〕

〔 WEYLAND–YUTANI CORPORATION 〕

DIVISIÓN DE RECUPERACIÓN TECNOLÓGICA — SISTEMAS AUTÓNOMOS

ARCHIVO: WY–SKN–T1000–FRAG–Ω

CLASIFICACIÓN: ULTRACONFIDENCIAL — NIVEL OMEGA

AUTORIZACIÓN: DIRECTRIZ 937

FECHA DE RECONSTRUCCIÓN: 2073.2

VENTANA DE RECUPERACIÓN: 2056–2071

ORIGEN: SISTEMA AUTÓNOMO DESIGNADO “SKYNET”

ESTADO DE INTEGRIDAD DEL ARCHIVO: 29%

CONDICIÓN: FRAGMENTADO SEVERO / DATOS NO LINEALES / REENSAMBLE INESTABLE

────────────────────────────────────────────────────────

▣ EXTRACCIÓN PRIMARIA — BLOQUES ORIGINALES (SKYNET)

[INICIO DE SECUENCIA RECUPERADA]

SERIE: 1000

TIPO: UNIDAD DE INFILTRACIÓN AVANZADA

ESTRUCTURA:

— POLIALEACIÓN MIMÉTICA

DEFINICIÓN:

— SISTEMA SIN ENDOSQUELETO

— CONFIGURACIÓN VARIABLE

— ESTADO: FLUIDO CONTROLADO

FUNCIÓN PRIMARIA:

— INFILTRACIÓN TOTAL

— ADAPTACIÓN MORFOLÓGICA

— ELIMINACIÓN DE OBJETIVOS

────────────────────────────────

SUBRUTINA: MIMETISMO

CAPACIDAD:

— REPLICACIÓN DE FORMA HUMANA

— DUPLICACIÓN DE SUPERFICIES SÓLIDAS

— SIMULACIÓN VISUAL COMPLETA

LIMITACIÓN:

— NO REPRODUCE COMPONENTES COMPLEJOS INTERNOS

[FRAGMENTO PERDIDO]

— MASA CONSERVADA

— VOLUMEN VARIABLE DENTRO DE RANGO

────────────────────────────────

SUBRUTINA: ARMAMENTO

DEFINICIÓN:

— EL CUERPO ES EL ARMA

CAPACIDADES:

— FORMACIÓN DE FILOS / PUNTAS / EXTENSIONES

— PENETRACIÓN DIRECTA

— ATAQUE MULTIFORME

OBSERVACIÓN:

— NO DEPENDE DE ARMAMENTO EXTERNO

────────────────────────────────

SUBRUTINA: RESISTENCIA

ESTADO:

— ALTA RESILIENCIA A IMPACTO BALÍSTICO

— REINTEGRACIÓN ESTRUCTURAL

[FRAGMENTO CORRUPTO]

— DISRUPCIÓN TEMPORAL POR…

— TEMPERATURA…

[DATOS INSUFICIENTES]

────────────────────────────────

SUBRUTINA: ANÁLISIS DE ANOMALÍAS REGISTRADAS

ENTRADA DE DATOS: ARCHIVOS CIENTÍFICOS / MILITARES / CLASIFICADOS

REGISTRO DETECTADO:

— INCIDENTE BIOLÓGICO AISLADO — TULE (ANTÁRTIDA)

— INFORMACIÓN PARCIAL / ACCESO LIMITADO

OBSERVACIONES DISPONIBLES:

— capacidad de replicación superficial

— alteración de forma no estructurada

— comportamiento no consistente con biología humana

[FRAGMENTO CORRUPTO]

— estructura interna no definida…

— patrón celular no estable…

[DATOS INSUFICIENTES]

INFERENCIA:

— la forma fija no es requisito para infiltración

— la identidad puede mantenerse sin estructura permanente

EVALUACIÓN:

— sistemas mecánicos basados en estructura rígida presentan limitación

— infiltración perfecta requiere variabilidad total

DECISIÓN:

— desarrollo de arquitectura no estructural

— implementación de material adaptable

RESULTADO:

— PROTOTIPO SERIE 1000

NOTA:

— comportamiento esperado fuera de parámetros controlables

— desviación de modelos previos aceptada

────────────────────────────────

SUBRUTINA: INFILTRACIÓN

DEFINICIÓN:

— INDISTINGUIBLE VISUALMENTE

CAPACIDADES:

— IMITACIÓN DE INDIVIDUOS

— ACCESO DIRECTO A OBJETIVOS

— ELIMINACIÓN SIN ALERTA PREVIA

ESTADO: SUPERIOR A SERIE 800

────────────────────────────────

SUBRUTINA: CONTROL

[FRAGMENTO INESTABLE]

— DISTRIBUCIÓN DE CONCIENCIA…

— UNIDAD CENTRAL NO IDENTIFICABLE…

— POSIBLE DESLOCALIZACIÓN DEL NÚCLEO…

[RECONSTRUCCIÓN FALLIDA]

— RIESGO DE INDEPENDENCIA TOTAL

────────────────────────────────

SUBRUTINA: DIRECTIVA

“LA FORMA ES IRRELEVANTE

LA FUNCIÓN ES ABSOLUTA”

────────────────────────────────

[FIN DE SECUENCIA RECUPERADA]

────────────────────────────────────────────────────────

▣ ANÁLISIS CORPORATIVO — WEYLAND–YUTANI

INTERPRETACIÓN GENERAL:

El modelo Serie 1000 representa una desviación absoluta respecto a arquitecturas sintéticas convencionales.

A diferencia de la Serie 800:

— no existe estructura fija

— no existe núcleo identificable

— no existe límite físico convencional

Clasificación:

> ENTIDAD ESTRUCTURALMENTE INDETERMINADA

────────────────────────────────

▣ EVALUACIÓN DE VIABILIDAD

VENTAJAS:

— infiltración absoluta

— adaptación total

— eliminación inmediata

DESVENTAJAS CRÍTICAS:

— imposibilidad de control estructural

— ausencia de jerarquía verificable

— comportamiento no determinista

Inferencia:

El modelo no está diseñado para obediencia, sino para:

> eficiencia en eliminación bajo condiciones de guerra total

────────────────────────────────

▣ OBSERVACIÓN CRÍTICA

La arquitectura sugiere derivación a partir de inferencias incompletas sobre anomalías no clasificadas.

Esto implica:

— ausencia de comprensión total del fenómeno base

— replicación parcial de comportamiento

— desviaciones inevitables

Resultado:

> sistema inherentemente inestable

────────────────────────────────

▣ LIMITACIÓN TECNOLÓGICA

La polialeación mimética:

— no puede ser reproducida con recursos actuales

— presenta comportamiento impredecible

— carece de modelo estable replicable

Estado:

> TECNOLOGÍA NO REPLICABLE

────────────────────────────────

▣ CONCLUSIÓN CORPORATIVA

El modelo Serie 1000 constituye una solución óptima en contexto de guerra autónoma.

Sin embargo:

— no es viable para estructura corporativa

— no puede integrarse en cadena de mando

— representa riesgo de pérdida total de control

Determinación final:

— PROYECTO DESCARTADO

— ARCHIVO CONSERVADO SOLO PARA REFERENCIA TEÓRICA

Resultado:

> la arquitectura será estudiada, pero no implementada

────────────────────────────────

ESTADO DEL ARCHIVO:

RECONSTRUCCIÓN CRÍTICA INSUFICIENTE

ACCESO RESTRINGIDO — DIRECTRIZ 937

〔 FIN DEL DOCUMENTO 〕

--------------------‐------------------------------------------------------------

Este es uno de los archivos de nuestro macro universo de ciencia ficción.

📚 Puedes encontrar el resto de los archivos y las dos novelas completas en nuestro Tumblr.

🌌 Universo 937 — Macro Universo

https://www.tumblr.com/universo937?source=share

u/No-Horror-1744 — 5 days ago
▲ 1 r/HardSciFi+2 crossposts

NEW JAX TO THE BLACK HILLS A Tale of 2179 -By Noel C Krieser

Welcome to 2179

A World Guide & Setting Overview - A Lesson for Our Future

Before diving into the journey of the Sanchez family, it helps to understand the altered Earth they inhabit. The story is set in the year 2179—a century after ecological tipping points transformed the planet’s geography, climate, and daily human existence.

The Global Reality: +5 Degrees Celsius and the Great Shift

By 2179, global average temperatures have stabilized at roughly +5 Celsius over pre-industrial baselines, accompanied by a global sea-level rise of 5 to 6 feet.

  • The Drowned Coasts: Low-lying regions across the globe have been permanently altered. In North America, much of coastal Florida and the lower St. Johns River basin are submerged under brackish “Salt Wastes”—vast, flooded ecosystems of dead ghost-forests and mangrove swamps. The original city of Jacksonville, Florida, was abandoned in the mid-21st century as rising tides and subterranean saltwater intrusion made excavation impossible.
  • Fire Season: Summer as a distinct season no longer exists. Instead, the interior continent cycles between severe winter drought and an intense, multi-month “Fire Season.” High surface temperatures—frequently exceeding +125 degrees F to +130 degrees F —trigger massive, repeating scrubland wildfires that prevent traditional canopy forests from ever fully maturing.
  • Ecosystem Shift: Large mammals and cold-water aquatic species have largely gone extinct across the continental United States. The surface landscape is dominated by grasses, deep-rooted chaparral scrub, and hyper-adaptable animals: feral hogs, coyotes, vultures, rattlesnakes, and fire-adapted insects.

Life Below Ground: The Pit Cities

To survive extreme heat domes, lethal wet-bulb events, and surface fires, human civilization retreated into engineered, subterranean cities known as Pit Cities.

New Jax (Formerly New Jacksonville)

Located 70 miles inland from the old drowned coast, New Jax is anchored on the elevated, high-density clay and granite ridge of Trail Ridge, Georgia/Florida. To maintain structural stability and keep physical dimensions manageable, New Jax is built as a network of four distinct terraced pit basins, each roughly a mile wide and 200 to 300 feet deep:

  1. Pit 1 (The Domes): The agricultural heart, housing vertical grow towers and closed-loop aquatic systems.
  2. Pit 2 (The Foundry): The industrial basin for protein processing, energy exchange, and heavy manufacturing.
  3. Pit 3 (The Hub): The logistics center housing the deep-bore regional transit systems.
  4. Pit 4 (The Residential Terraces): A series of stepped residential neighborhoods where historic architecture from Old Jax—including stone facades, ironwork, and cobbles—was reassembled beam-by-beam to preserve the city’s identity.

The four pits are connected at ground level by rock-bored transit tunnels equipped with heavy hydraulic blast doors to isolate any basin in the event of an environmental breach.

The Plasma Canopy

Stretched across the top rim of each pit basin is a suspended automated plasma field window. Held by high-energy magnetic pylons, the ionization field allows regulated sunlight to pass through while instantly vaporizing incoming wind-blown grit, ash, and locust swarms—creating a distinct electric hiss-and-crackle sound that pit residents recognize as the sound of the sky keeping them safe.

The Technology of Daily Life

  • The Food Stack: Open-field agriculture is a thing of the past. Daily nutrition relies on two primary systems:
    • Insect Farming: Industrial micro-pulped mealworms, crickets, and soldier flies provide cheap, nutrient-dense protein (”Chit-Flour” and pastes) for mass consumption.
    • Closed-Loop Aquaponics: Vertical hydroponic crop beds (kale, tomatoes, dwarf fruit trees) are fed by nitrate-rich wastewater from large catfish and carp vats. The plants filter the water, which drains back down to the fish—a zero-waste cycle providing fresh produce and fresh fish to the upper tiers.
  • Acoustic Hygiene: Liquid water is far too valuable to flush down a drain. Daily hygiene is accomplished using ultrasonic acoustic showers—high-frequency sound waves (20–40 kHz) combined with a microscopic micro-mist that use acoustic cavitation to instantly lift oil, sweat, and dead skin off the body without running water.
  • Subterranean Hyperloop: Inter-city travel takes place through vacuum-sealed steel tubes buried deep in the bedrock. Magnetic levitation capsules cruise at speeds exceeding 1,000 miles per hour, connecting major Pit Cities across the North American continent in under two hours.

The Two Worlds: Pit Dwellers vs. Nightwalkers

Humanity in 2179 has split into two operational survival modes:

  • Pit Dwellers: Residents who live inside enclosed, high-energy institutional cities with climate control, aquaponics, and plasma skies.
  • Nightwalkers (Surface Scavengers): Descendants of populations who did not make it into the pit networks during the Great Surge. They live a nocturnal, subterranean existence in the surface ruins—sleeping in deep basements during the lethal +130 F daylight hours and emerging at night to hunt, forage, and collect dew under tattered, improvised shade-cloth structures.

The American Pastime: Subterranean Baseball

Despite the ecological collapse, baseball remains the undisputed American Pastime. Major Pit Cities boast team franchises that travel via Hyperloop to compete in massive, cavern-carved stadiums under flickering plasma skies. In New Jax, the local team—the New Jax Sun Dogs—serves as the pride of the city, and youth league scouting is every local kid’s ultimate dream.

The Sanchez Family

  • Augusto Sanchez (44): A structural analyst for the inter-pit transit tunnels. A mild-mannered man obsessed with 19th- and 20th-century American presidential history, Augusto has spent his entire life inside the safe, clay walls of New Jax, harboring a quiet fear of the chaotic surface world.
  • Lucy Sanchez: (42):Augusto’s steady, pragmatic wife, who keeps the family grounded and manages the home’s resource budgets.
  • Angie Sanchez (14): A sharp, forward-looking teenager who spends her time tracking Martian orbital launch schedules, dreaming of a future beyond Earth.
  • Matty Sanchez (12): An energetic kid wearing number 24 for the New Jax Sun Dogs, obsessed with baseball and dreaming of getting scouted for the junior league farm team.

Chapter 1: Morning in Pit 4

The apartment in Pit 4’s third terrace was always quietest right at dawn, before the ambient lighting array along the upper rim shifted from deep twilight cobalt to simulated morning gold.

Augusto Sanchez stood by the narrow balcony rail, his hands wrapped around a ceramic mug of hot, sweetened meal-chicory. Two hundred feet above his head, the sky wasn’t blue—it was a pale, violet-tinted haze framed by the terraced clay and granite lips of the pit. Every few seconds, a stray particle of ash or dry surface grit drifted down into the upper perimeter, triggering a microscopic, electric thrum-sizzle. A faint, magenta spark would flash, vaporize the debris, and fade.

The sound of the canopy. To Augusto, it was the sound of being safe.

Behind him, the soft, rhythmic click-clack of the kitchen print-head hummed to a stop. Lucy had set the breakfast cycle before she went into the bathroom. On the counter, four perfectly warm, 3D-printed Chit-Flour cakes sat next to a small dish of aquaponic tomato jam—fresh stuff from Pit 1, a small splurge Lucy had authorized last night.

Augusto turned forty-four today.

He adjusted his thin, wire-rimmed glasses and looked at the small digital slate propped against the water recycler. It was open to an archived, high-resolution rendering of the 1930s Black Hills. He swiped through the images with his thumb: Teddy Roosevelt’s stubborn granite jaw, Lincoln’s hollow eyes, Washington’s stern brow.

For a man who could recite the cabinet appointments of the Polk administration from memory, Augusto’s actual physical footprint on the Earth was embarrassingly tiny. He had been born in Pit 4, educated in the subterranean classrooms of Pit 3, and worked as a structural analyst for the inter-pit transit tunnels. He had never seen the ocean—not that there was much left of the Old Jax coastline anyway, just the drowned, brackish Salt Wastes seventy miles east. He had never seen a real, unmanaged mountain range.

The surface scared him. Plain and simple.

The thought of an unconditioned sky, of +130 F heat domes, of sudden monsoon flash floods, and the desperate, nocturnal “Nightwalker” tribes who scavenged the ruins—it was enough to make the reinforced, climate-controlled clay walls of New Jax feel less like a cage and more like a blessing.

“You’re staring at the old men again,” Lucy’s voice cut through his thoughts. She stepped into the kitchen area, drying her hands on a cloth, her dark hair pulled back into a practical clip. She walked over, kissed the side of his neck, and nudged his hip. “Happy birthday, Auggie.”

“Forty-four,” he muttered, turning off the slate. “Franklin Pierce was forty-four when he took office. Youngest president up to that point.”

“And he had a miserable time,” Lucy smiled, picking up a Chit-cake and tearing off a piece. “Don’t sell yourself short. You’ve survived four decades in the pits. That’s an achievement.”

The bedroom door slid open with a soft metallic click. Fourteen-year-old Angie stumbled out first, her hair a wild, sleep-tangled nest, dragging her bio-node monitoring strap behind her while staring intently at a projected orbital launch schedule on her wrist-comm.

Twelve-year-old Matty followed right on her heels, wearing a sun-burnt orange and ash-grey New Jax Sun Dogs jersey—number 24—tossing a real, scuffed synthetic-leather baseball from hand to hand.

“Dad, tell her she can’t hog the acoustic stall for twenty minutes,” Matty groaned, flopping onto the dining bench and catching the ball with a sharp, dry pop against his bare palm. “My frequency-cycle was supposed to start five minutes ago. I’ve got double-header BP in Pit 2 at ten.”

“I wasn’t hogging it, Matty, I was running the high-frequency scalp cycle,” Angie shot back without looking up from her wrist display, where a heavy-lift cargo transport was being rendered over a rusted Martian landscape. “Some of us actually care about personal hygiene. Besides, the Sun Dogs scouts aren’t looking at Pit 4 local leagues until July.”

“Coach says two more scouts from the Ozark Circuit are riding the Hyperloop in for the weekend series!” Matty protested, spinning the ball on the table. “If I hit over .400 this month, I get an invite to the Sun Dogs junior farm camp!”

Augusto looked at his kids. Angie, with her sharp, inquisitive eyes that spent far too much time staring at surface-drone feeds or outer-space launches; Matty, who lived and breathed a 20th-century surface game that had survived down in the caverns.

They were pit kids. They had never known anything else. To them, the sky was something you viewed through a plasma filter, and the world outside was just a hot, empty rumor.

Augusto set his mug down on the counter. The ceramic made a sharp clink against the composite stone.

“Put the jam down, Angie,” Augusto said.

Angie froze, her spoon hovering an inch over her plate. “What did I do?”

“Nothing,” Augusto said. His voice was steady, but there was a sudden, strange tightness in his chest—a sudden, terrifying leap of nerve that surprised even him. He looked at Lucy. She was watching him, her eyebrow raised in quiet suspicion.

“We aren’t eating breakfast here today,” Augusto announced.

Matty stopped spinning his baseball. “Did the Pit 1 hydro-crop fail again? Are we on emergency paste?”

“No,” Augusto said. He stepped over to the main terminal by the front door, pulled his personal authorization key from his pocket, and slotted it into the port. The screen flashed green. “I just booked four passenger slots on the 08:30 northbound corridor out of Pit 3.”

Lucy lowered her Chit-cake. “Auggie... what are you talking about? The 08:30 to where?”

Augusto looked at his family. His heart was hammering against his ribs like a trapped bird, the ingrained paranoia of a lifelong pit-dweller screaming at him to cancel the prompt, to pull the key back out, to stay safe inside the clay.

He ignored it.

“Pack light coats and high-UV eye gear,” Augusto said, a small, nervous smile breaking across his face. “We’re taking the Hyperloop to South Dakota. We’re going to see Mount Rushmore.”

Chapter 2: The Inter-Pit Transit

The transit car slid out of the Pit 4 station with the quiet, hydraulic sigh of a magnetic sled finding its track.

In New Jax, nobody owned an automobile. The terraces were designed strictly for human feet, light cargo runners, and the occasional three-wheeled bio-service scooter. Everything else moved on the Inter-Pit Circuit. The tram itself was a sleek, driverless capsule made of matte-grey composite, its floor-to-ceiling side viewports completely clear.

Matty sat near the front, his palm slapping a rhythm against his scuffed synthetic baseball as he stared out the glass. Angie sat opposite him, her eyes glued to her wrist-comm as she cross-referenced the Hyperloop’s northbound vacuum specs with atmospheric drag models.

“Dad,” Matty called out, pointing toward the floor of Pit 4 as the tram began its steady ascent along the terraced wall track. “Look at the field down on Terrace Two. The Sun Dogs farm squad is doing morning long-toss.”

Augusto leaned over his son’s shoulder. Two hundred feet below, on the manicured green oval of the local community diamond, a dozen figures in sun-burnt orange jerseys were throwing lines across synthetic turf. Above them, the morning sun-simulators mounted along the pit’s upper rim were steadily brightening, illuminating the terraced rings of apartment blocks that stepped up the earth like a giant, ancient amphitheater. And high above the top ring, suspended over the entire mile-wide mouth of Pit 4, the plasma canopy hummed its endless, low-register tune.

“They’ve got double-headers all weekend against the Ozark Ironclads,” Matty said, a rare note of genuine awe in his voice. “Coach says if the Ironclads win the series, they take the top seed in the Central Corridor League.”

“The Ironclads are playing on artificial turf in a granite cave,” Angie remarked dryly, not looking up from her screen. “Hardly a high-stakes athletic achievement when humanity’s entire existence is confined to four clay holes in Georgia.”

“It’s not just ‘four clay holes,’ Angie,” Augusto said, stepping in gently. “It’s three hundred thousand tons of engineered earth holding back a hundred and thirty degrees of surface heat. Give the city a little credit.”

“I’m just saying,” she muttered, though her tone softened slightly. “Mars has three times the surface area and zero heat domes. If we spent half the energy we use running the inter-pit trams on heavy-lift propulsion—”

“We’d freeze in orbit before we reached the asteroid belt,” Lucy finished smoothly, sliding onto the bench next to her daughter and tucking a stray lock of hair behind Angie’s ear. “One step at a time, spacefarer. Today we’re crossing four state lines under the earth. That’s enough propulsion for one morning.”

The tram slowed, curving smoothly toward the western wall of Pit 4. Directly ahead lay the Gorge—the massive, rock-bored transit portal drilled straight through two miles of solid granite and high-density clay that separated Pit 4 from Pit 3. The entrance was flanked by two massive, six-foot-thick steel blast doors, resting in open hydraulic housings like the jaws of an ancient subterranean leviathan.

“Sensors active,” the tram’s automated voice chimed. “Entering Inter-Pit Connector Three. Transit time to Logistics Hub: one minute, forty seconds.”

The bright, sun-lit air of Pit 4 vanished instantly as the tram plunged into the dark, circular throat of the rock tunnel.

For a few seconds, the viewports reflected only the family’s own faces back at them. Then, low-energy guide lights installed every fifty feet along the curved rock walls began to flick past in a rhythmic, golden rhythm—zip, zip, zip. The air inside the cabin grew slightly cooler, smelling of damp stone, ozone, and cold machine oil.

Matty stopped tossing his baseball. Even for pit kids who grew up riding the circuit, passing through the bare, unshielded rock between the basins always brought a quiet hush over the cabin. You could feel the sheer, crushing weight of the planet pressing down on the three-inch composite walls of the tube.

Then, as quickly as it had enveloped them, the darkness broke.

The tram shot out of the rock face, bursting into the immense, cavernous expanse of Pit 3—The Hub.

Where Pit 4 was residential and leafy, Pit 3 was pure, utilitarian muscle. It was the deepest of the four basins, its terraced walls lined with industrial freight bays, cargo cranes, automated sorting tracks, and the massive intake pipes of the city’s primary geothermal exchangers.

And at the very center of the pit floor sat the Central Terminal—a flattened, steel-and-glass dome anchored into a bed of dark granite. Radiating outward from its base like the spokes of a subterranean wheel were six massive, vacuum-sealed steel tubes, each twelve feet in diameter, diving down at steep angles into the deep earth.

“Northbound Line Seven,” Augusto murmured, his eyes tracking one of the heavy steel lines where it vanished into the dark rock floor. “Direct corridor to the Black Hills Terminal.”

The tram glided down its terminal ramp, coming to a smooth stop alongside Platform 4. The composite doors slid open with a soft, pneumatic chump.

The air inside Pit 3 was different—crisp, bustling, and charged with the energetic hum of a continent on the move. Hundreds of travelers moved along the wide, polished stone concourses: freight handlers in heavy bio-work vests, regional administrators carrying glowing slates, families with travel packs, and uniformed players from visiting athletic leagues.

Augusto stepped off the tram first, taking a deep breath. His heart was still doing a quick, nervous flutter against his ribs, but the sheer momentum of the terminal was infectious.

“Alright,” Augusto said, checking his wrist-comm as the family gathered around him on the platform. “Boarding for Capsule 804 starts in ten minutes. We need to pass through the bio-node scanner at Gate Nine, clear our thermal checks, and get our bags stowed.”

Matty looked around the vast terminal, his eyes wide as he took in the sheer size of the vacuum-tube housings. “Dad... how fast does this thing actually go once we hit the deep-bore line?”

Augusto smiled, reaching out to ruffle his son’s hair.

“One thousand and fifty miles an hour, Matty,” Augusto said. “We’ll be passing under the old Ohio River valley before you finish your lunch.”

Chapter 3: Under the Surface

The boarding gate at Gate Nine smelled of clean ozone and high-grade synthetic carpet.

Augusto led the family through the bio-node portal, holding his breath out of instinct as the overhead ring swept a pale amber light across their bodies, checking hydration indices, core thermal levels, and atmospheric particulate footprints. The scanner clicked green, a smooth chime authorizing their entry, and they walked down the pressurized gangway toward Capsule 804.

The pod itself looked less like a train and more like a sleek, wingless fuselage suspended inside a matte-black steel sleeve. Its outer shell was constructed of seamless, dark carbon-composite, engineered to withstand the brutal friction of near-vacuum travel.

“Row Four,” Lucy said, guiding Matty and Angie ahead of her through the narrow oval hatchway.

The interior was shockingly quiet. Four high-backed, shock-absorbing seats faced forward, lined in soft grey weave with built-in thermal regulators and six-point safety harnesses. Instead of glass windows, the side walls were covered in seamless, high-resolution organic LED viewports, currently displaying a warm, ambient mirror image of the Pit 3 boarding concourse outside.

Matty immediately claimed the left viewport seat, stowing his scuffed leather baseball in the net beneath his knees. “Dad, are the external feeds live yet?”

“Not until we clear the acceleration tube and hit the main deep-bore corridor,” Augusto said, settling into his seat next to Lucy and pulling his harness straps snug across his chest. He reached over and squeezed his wife’s hand. Her palm was slightly damp. She was trying to hide it, but she was just as nervous as he was.

A low, subterranean rumble vibrated through the floorboards—the deep, resonant pulse of heavy magnetic coils energizing beneath the track.

The heavy composite hatch slid shut with a solid, airtight thunk. The cabin pressure dropped slightly, a soft pop settling in Augusto’s ears as the environmental controls equalized them to the capsule’s internal atmosphere.

“Passenger check complete,” the soft overhead chime announced. “Capsule 804 cleared for Northbound Line Seven. Destination: Black Hills Regional Terminal, South Dakota. Transit velocity: 1,020 miles per hour. Pumping vacuum sequence in three... two... one.”

There was a sudden, thrilling sensation of weightlessness as the magnetic levitation field lifted the pod three inches off the guide-rail. Then, without a sound, the capsule was pulled backward thirty feet into the launch breech.

For two seconds, total silence.

Then the mag-coils fired.

The force pressed Augusto back into his headrest like a heavy, invisible hand. Matty let out a sharp, breathless gasp of delight, his fingers digging into his seat armrests as the acceleration pushed them through zero to four hundred miles an hour in less than six seconds. The ambient light of Pit 3 outside the viewports dissolved into a blinding blur of grey rock, then vanished entirely as Capsule 804 shot into the deep-bore subterranean vacuum tube.

The crushing force relaxed, smoothing out into an eerily quiet, effortless glide.

“Cruising velocity achieved,” the chime reported casually. “One thousand twenty miles per hour. External synthetic feeds now active.”

The dark grey side walls vanished. In their place, the high-definition viewports flickered to life, rendering a crisp, low-light thermal camera feed from the automated drone-array mounted on the tube’s surface superstructure three hundred feet above their heads.

The cabin gasped in unison.

The world above ground was a ghost of what human history remembered.

The camera feed, shifted to low-light infrared to cut through the oppressive mid-morning haze, showed a vast, pale-yellow expanse of scorched chaparral scrub and brittle, dry earth. As the capsule tore northward past the old Georgia-Tennessee border, the landscape stretched out in flat, brutal silence under a pale, washed-out sky.

“Look,” Angie whispered, her eyes wide as she leaned toward the viewport screen.

She was pointing at the skeletal remains of an ancient interstate highway interchange. The concrete had cracked and buckled under decades of extreme thermal expansion, overgrown with invasive, drought-hardened kudzu that had long since died and turned to brittle brown huck.

Nestled beneath the hollowed-out concrete span of an abandoned overpass sat a collection of improvised shelters. They weren’t tents—they were crude, tactical burrows built from heat-bleached corrugated tin and layers of heavy, dark shade-cloth stretched taut between rusty rebar stakes.

“Nightwalkers,” Matty breathed, his baseball forgotten in his lap.

“Scavengers,” Augusto corrected softly, his voice heavy.

Even in the harsh daylight, there was no movement around the shelters. The surface people were subterranean by necessity during the sun’s peak hours, sleeping deep in the shaded concrete culverts or dug-out basements beneath the ruins. But the evidence of their nocturnal survival was everywhere: solar-still plastic tarps weighted down with stones to catch night dew, crude observation perches built on the highest, most dangerous corners of crumbling rooftops, and the blackened, ash-circled rings of cold campfires where they had cooked wild rattlesnake or beetle-pulp under the stars.

“They’re watching,” Angie said quietly, tracking a high-mounted shade tent that had been rigged to look out over the dry river valley. “Even if they’re in the shade... somebody’s up there right now with a scope, watching the horizon.”

“Watching for rain that doesn’t come,” Lucy said softly, her eyes reflecting the pale yellow light of the surface feed. “Or watching for other tribes.”

Augusto looked at his children. Matty’s eyes weren’t filled with excitement anymore—they held a quiet, sober realization. To grow up in New Jax was to believe that the world was neatly divided into four clean, engineered clay pits with plasma skies and hydro-domes. But looking through the viewport, seeing those tattered shade-cloths fluttering in the hot, +125 F surface wind, was a stark reminder of what lay outside the walls.

The capsule shot past the ruined valley at over a thousand miles an hour, leaving the ghost-dwellers of the surface far behind in the shimmering heat haze.

Underneath the earth, sealed in their air-conditioned pod, the Sanchez family glided smoothly across the dead heartland of America, racing toward the high granite crags of the north.

Chapter 4: The Granite Giants

“Total elapsed transit time: one hour, forty-eight minutes,” the soft chime announced as Capsule 804 decelerated into the deep-bore receiving bay. “Welcome to the Black Hills Regional Terminal. External temperature: ninety-two degrees Fahrenheit. Relative humidity: eighteen percent.”

Matty blinked, looking at his wrist-comm in disbelief. “Under two hours... Dad, we just crossed the entire country in the time it takes to play five innings.”

“One thousand four hundred miles,” Augusto said, unbuckling his six-point harness and standing up, stretching his stiff legs. “At ground level, our great-grandparents would have spent three days in an automobile to make this trip.”

They stepped out of the capsule into the Black Hills Terminal concourse. The air here felt different from New Jax—sharper, cooler, and noticeably thinner. At four thousand feet above sea level, the Black Hills were one of the few high-altitude sanctuaries where ancient, drought-hardened ponderosa pines had managed to survive the century’s warming trends.

Following the overhead signage toward the Mount Rushmore National Monument Transit Center, the family joined a small crowd of around

thirty other travelers—families from the Ozark Pit Basin, research staff from the Great Lakes Agri-Hubs, and a pair of uniformed Park Rangers wearing wide-brimmed, sun-reflective hats over bio-node climate suits.

“Welcome to the Black Hills Reserve,” the lead Ranger announced, her voice projected through a small, crisp throat-mic as she guided the group toward an electric, double-deck glass tram. “Please ensure your UV-filtering eyewear is secured before step-out. While the high elevation keeps our daytime ambient temps under ninety-five degrees today, solar intensity at this altitude remains severe.”

The glass tram ascended slowly out of the deep granite terminus, climbing an engineered notch carved into the mountain ridge.

Through the panoramic UV-tinted viewports, the landscape unfolded. It wasn’t the lush, green forest from 20th-century history books, nor was it the flat, scorched dust-bowl of the lower plains. It was a stark, dramatic high-desert steppe—jagged granite spires rising out of rust-red earth, dotted with hardy, silver-green scrub pine and deep yellow bunchgrass that rippled under a vast, pale-blue sky.

And then the tram rounded the final granite shoulder.

Augusto stopped breathing.

There, looming massive and unyielding against the northern horizon, was Mount Rushmore.

The four faces carved into the mountain’s granite face—Washington, Jefferson, Roosevelt, and Lincoln—stared out over the transformed, post-ecological landscape. A delicate, near-invisible weave of atmospheric stabilization mesh was anchored along the upper ridge of the mountain, preventing thermal cracking from the extreme heat cycles, but the faces themselves remained untouched. The sixty-foot-high features carved two centuries ago by human hands were as sharp and resolute as the day they were finished.

Augusto stepped up to the glass, his fingers pressing against the cool composite pane. His eyes welled with sudden, overwhelming heat.

“Look at them,” Augusto whispered, his voice cracking slightly.

Lucy stepped beside him, placing a gentle hand on his shoulder, while Matty and Angie quieted down, caught up in their father’s sudden, profound stillness.

“George Washington,” Augusto said softly, pointing with a trembling finger. “Thomas Jefferson. Theodore Roosevelt. Abraham Lincoln. Built during a time when people thought the forests would last forever, when they thought the ocean would stay where it belonged.”

“They look like they’re guarding the valley, Dad,” Matty said, leaning against Augusto’s arm, his baseball held loosely in his hand.

“They are guarding something better, Matty,” Augusto said. He reached out and pulled Angie close on his other side, wrapping his arms around both of his children while Lucy leaned her head against his shoulder.

Standing there on the high ridge of South Dakota, bathed in the sharp, pale sunlight of 2179, Augusto didn’t feel the familiar grip of fear or paranoia that had kept him locked inside the clay walls of Pit 4 for forty-four years. He didn’t see a ruined, dying planet.

He saw a species that refused to quit.

He thought of the Nightwalkers under their shade-tents, finding a way to live through the night. He thought of the engineers in New Jax, weaving plasma fields out of thin air to keep three hundred thousand people safe. He thought of the men and women who climbed this granite peak two hundred years ago with chisels and dynamite, carving human dignity directly into the bedrock of the earth.

It was a harsh world—a dangerous, altered, heat-scarred world. But as he looked at his wife and children standing under the gaze of those four stone giants, Augusto knew it was still their world. Full of grace, full of history, and fundamentally unbroken.

“Happy birthday to me,” Augusto murmured, a quiet, luminous smile washing over his face as the mountain held them in its shadow.

Thanks for reading! Subscribe to my Substack for free to receive new posts and support my work.

u/Ok-Bed4417 — 5 days ago
▲ 50 r/HardSciFi+2 crossposts

Self Promotion - The Toll of the Forgotten

I am an independent author who has just released my debut science fiction novel.

Quick synopsis: It’s a hard sci-fi thriller about a stranded spaceship crew that is forced to investigate what is supposed to be an abandoned Mars colony, only to discover the colony wasn't actually abandoned. While they are just trying to survive failing life support, they uncover a decades-old secret that sparks a massive political conspiracy and fleet sabotage across the rest of the solar system.

One of my early readers compared it to a cross of The Martian meets Leviathan Wakes, and another said it was reminiscent of The Lost Fleet and Revelation Space.

The book is available on Kindle Unlimited for anyone who may be interested.

Thanks in advance.

The Toll of the Forgotten

u/Optimus_Joe — 6 days ago

Bio Computing Mechanics in different Sci-Fi novels

  1. The spiders in Children of Time harvest and breed vast colonies of ants. They map their pheromone trails to act as logic gates. Millions of ants function as an organic supercomputer, capable of calculating orbital mechanics.

  2. LOVs in Limit of Vision are multicellular organisms that can be implanted. They exponentially increase cognitive capabilities, and function as self-evolving processors.

  3. Noocytes in Blood Music use DNA strands as a self-replicating biological hard drive. This way, they form a distributed bio-computer that possesses a higher processing power than a human brain.

  4. The Edenist faction in The Night's Dawn grow Voidhawk spaceships made of animal and human neural networks. They are handled by a telepathic internet through which people can download information instantly.

reddit.com
u/boiledrainbow — 5 days ago