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Questions tagged [technology]

For questions about the creation, use, and application of all types of technology.

8
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5answers
1k views

How could an alien mine exist under a planet's surface without humans detecting it from above?

Imagine a human observation and research facility being built on a planet in a distant solar system. How could an alien colony exist beneath the planet's surface, staying completely invisible to ...
51
votes
20answers
11k views

Could an advanced alien race prevent the death of the universe?

We all know that the universe is going to die one day: all the stars will die, all the black holes will evaporate and life will be gone. But hypothetically speaking, if a super advanced alien race (...
0
votes
2answers
64 views

Complete Biosphere DNA Collection [closed]

So you have just come across a new life bearing planet with organisms with Earth-like biology. You want to accomplish a complete biosphere analysis (sample collection) in a timely manner. How would ...
42
votes
4answers
8k views

Is it possible to create a Gas Mask using only Medieval Technology?

This question was inspired by this one, which brought up the concept that a lot of the issues with a sword that created toxic fumes would also kill the user (that question also has one of the best ...
6
votes
6answers
332 views

Would lower gravity lead to earlier spaceflight?

This is in regards to the Tyranny of Rocket Fuel. Summed up: Heavier ships need more fuel which makes them heavier, etc. You end up with diminishing returns. This is compounded by higher gravity - ...
3
votes
3answers
217 views

Supersonic submarine: what replaces sonar?

Premise Despite the streamlined appearance of submarines, it is actually difficult/expensive for them to travel at high speeds. Much of this cost comes from the drag that is induced by the speed ...
1
vote
1answer
98 views

How to disable all long range communications planet wide?

I'm wondering about ways to effectively disable all long range communications planet wide. I've looked into nuclear/emp for disabling sats, but what about other forms of long range comms? Doesn't have ...
1
vote
3answers
1k views

Space station around the equator

I want to know what kind of effect a large circular space station would have on the planet if it went completely around the equator in one giant circle? Would it impact gravity or anything? And would ...
3
votes
5answers
140 views

Plausible scenario for the invention of telescopes and/or cameras in antiquity?

Inspired by a previous revision of one of the articles on the Kerbal Space Program wiki: How would one plausibly have telescopes and/or cameras be present on an inhabited, civilised planet since ...
-4
votes
1answer
228 views

How to make sure a healing factor character can be rescued? [closed]

So, I have this superhero, and his name is, Logan Wotowski. He has the ability to heal from any injury, like a gunshot wound, knife blow, or paper cut. But, he only has that one ability. He is ...
16
votes
3answers
4k views

Is it possible to detect a flying creature hiding inside a cloud with our current technology?

In my story, flying creatures rule the sky. These creatures are usually tiny like an eagle or a vulture compared to huge (cumulus/cumulonimbus) clouds and these creatures always hunt and hide as ...
4
votes
7answers
2k views

How to explain why the slavers don’t rule Den, despite their technological superiority? [closed]

So, out in Den, Colorado, population 2,600, the local abandoned prison had just been taken over by the Slavers Guild. The Slavers Guild has a huge advantage, technologically, over most other natives ...
9
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7answers
1k views

How to connect rivers with canals in Europe with late medieval technology?

There is an empire expanding from the Netherlands to Western Russia, the empire is enthusiatic about turning rivers into canals for transportation. They don't care about the environment, they just ...
46
votes
9answers
7k views

Could a mouth-mounted gun be fired without damage to the shooter?

The world where the question spans over a 100 years between 1945 and 2045, the story beginning just at the end of WWII, and proceeding in such a way that never saw the end of the Cold War all the way ...
13
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13answers
4k views

Can there be a long-range railway system without industrialisation?

Consider a civilization with pre-industrial, possibly even pre-gunpowder technology, but the economic incentive to have continent-spanning railway tracks. Would it be possible for them to build those ...
-2
votes
2answers
127 views

Creating a medieval fireball thrower weapon? [closed]

I want to create a medium-distance personal weapon that hurls fireballs with medieval technology for light infantry against heavy infantry. It needs to be similar like a crossbow. Is it possible to ...
0
votes
8answers
320 views

How to make someone who is capable of telepathically altering matter not overpowered?

Someone has developed a device that is capable of altering matter up to 100 meters away, only using thoughts. This is very powerful since someone with this device would be capable to, for example, ...
-1
votes
3answers
71 views

How could an android plausibly convince people that his audio recorder isn’t witchcraft? [closed]

So, an android, called X7, survived the apocalypse which nuked most humans, along with advanced technology, away. X7 wanders the wasteland, with one, and only one possession. An audio tape of the ...
9
votes
3answers
254 views

How does super-tech rarely filter down to Main Street in comics universes?

In the DC and Marvel universes, alien invasions seem to happen almost weekly, super-villains have impossible technology, which they use to rob banks, and genius super-heroes invent equally impossible ...
73
votes
24answers
15k views

How would primitive peoples detect radiation?

In an environment in which acute radiation hazards are common what tools or techniques could be employed by primitive people to detect and thereby avoid radiation exposure? These people do not ...
7
votes
5answers
2k views

How the world would change if matter replicator technology become possible?Would all goods and services become free? [closed]

How cities and the world would change if matter replicators become reality someday?Will money disappear and all goods and services become free?Would create new products become very easy even if they ...
1
vote
5answers
176 views

What mechanism could be used to create an eternal night?

My question is how a species, given sufficiently advanced technology - could block out all - or most - visible light to a generally earthlike planet without rendering it uninhabitable. The only ...
-3
votes
3answers
146 views

Preventing dumb self-replicating machines to take over the humanity and potential case for the Fermi paradox [duplicate]

It could be that the solution to the Fermi paradox is that civilizations of biological creatures are typically destroyed due to being taken over by machines that are much dumber than the original ...
8
votes
10answers
724 views

How much technological regression is plausible?

I'm working on a post-apocalyptic world for a game and the more I think about it the more unsure I get about the technological development of the setting being believable. So I'm asking how likely a ...
1
vote
3answers
187 views

How would an underground civilization that mines deal with mine tailings?

This is based on the Silo by Hugh Howey. I don't have any spoilers here though. In that book (actually a collection of 5 novels), the characters live in an underground city, and some of them mine for ...
6
votes
2answers
681 views

Is this reaction realistic enough?

I'm building a world which has, apart from the 'usual' stuff, 2 types of stones (haven't really decided on a name yet). Stone A holds some form of energy but when prompted by Stone B it will release ...
10
votes
3answers
3k views

Boats for really tall people

So I'm writing a book that takes place in an endless ocean with islands inhabited by many races, and I'm trying to come up with unique boat ideas for races; well I have most of them, but I would like ...
7
votes
3answers
175 views

Massive Brain-Computer Interface devices

The world in my story is going past the smartphone era. To replace smartphones people wear a small device like a headphone. The device is not intrusive to their brain, it has nodes that read brain ...
15
votes
7answers
2k views

Is it possible to detect or recognize mammals, fishes or any other sea creatures that swims in an ocean from a flying aircraft?

I am working on a story and I would like to know if it's possible to detect or recognize mammals, fishes or any other sea creatures that swims in an ocean from an aircraft with our current technology ...
9
votes
8answers
3k views

Could the average human survive if we were thrown back in the wilderness? [closed]

(Okay, first time on this site so forgive me if I'm not clear or too broad) Short question: Could the average human survive if we were thrown back in the wilderness? And would we be able to re-...
8
votes
4answers
310 views

With current or near-future technology, how plausible is an aircraft-based civilization?

A large group of billionaires, engineers, pilots, and volunteers come together to announce the creation of an aircraft-based civilization. Here, people spend most of their lives aboard an aircraft, ...
6
votes
7answers
665 views

Humans get knocked back into the stone age; would archeologists from 10,000 years in the future be able to tell that we existed?

I am inspired by Dr. Robert Schoc's hypothesis that the Great Pyramid and Sphinx date back to a lost civilization from 10,000 BCE. The Question: Suppose an asteroid/mega solar flare/etc. reduced ...
3
votes
2answers
208 views

is it possible to detect submarines in a sea from an aircraft? if possible how will it be?

While working on my story, I just came up with this doubt. Is it possible to know or to detect something like a submarine in an ocean from an aircraft with our current technology? I mean to detect it ...
0
votes
4answers
145 views

Can a technologically advanced society have similar political and social institutions to 10th century Iceland?

I want a society organized similarly to the viking age Iceland. So I want family ties and personal friendships to be crucial, 'owners' who freely choose what chieftain to follow, and councils to ...
0
votes
1answer
65 views

What mechanism would be needed to contain and inject super-heated plasma into a target?

Two days ago, I proposed a design for dual forearm-mounted super-heated stabbing blades composed of a Titanium-Coltan alloy and capable of reaching 1,000 °C. These arm-blades were intended to act as ...
41
votes
28answers
10k views

Why buy tech from the future?

The Demonstration You're a rich, successful CEO/capitalist working in the electronics business. Your R&D division is exceptional and routinely fabs state of the art processors at bleeding edge ...
1
vote
2answers
79 views

What are some of the global impacts of technologically converting desert biomes into grasslands? [closed]

As per the Koppen climate model, for the purposes of this question deserts are dry, non-polar climates. https://en.wikipedia.org/wiki/Desert_climate At a hypothetical time in near future, the human ...
5
votes
3answers
335 views

What could the side effects be for long-term Cryosleep?

I’m writing a story about someone who is going to be frozen in cryo for about 450 years. He’s frozen in 2120, so the technology is certainly well-developed in his time. I’m thinking maybe the cryo pod ...
20
votes
6answers
1k views

Sonar Jamming Squids

Context In the arms race of survival many animals have developed ways of evading predators, but the animal I am interested in for this question would be the tiger moth. So basically these guys jam ...
5
votes
5answers
339 views

How would a temple be made to last and “Reactivate”?

The loose idea of this structure is in my world a secret society believes the Earth is going to be heavily damaged in the near future by war and that humanity will be pushed to the brink of extinction ...
2
votes
6answers
236 views

Making a spaceplane out of the 747

Spaceplanes are cool. SSTOs (Single Stage To Orbit) are even cooler. Imagine a spaceplane that is pretty much a 747. Imagine if Boeing decided to have a crazy new idea and made a space variant of the ...
13
votes
7answers
3k views

How to have a college without mass printed books?

So, a few decades after a nuclear holocaust, the people of New Jerusalem out near the great salt lake open up a school to teach people. Since the war, however, technology is gone back to the dark ages,...
0
votes
2answers
184 views

How to enter another person's dream? [closed]

I'm building a setting for a game where the players enter into another person's dream, a la the film Inception. In a sci-fi setting, what technological problems would need to be solved order give ...
4
votes
5answers
450 views

How would a Mesolithic community go about building a permanent settlement?

Edit: I've gotten some answers now, but many of them use Neolithic settlements as examples. I wish I had the archaeological know-how to analyze these settlements' technologies and economies and ...
1
vote
4answers
145 views

Sperm Whale Hunting Colossal Squids

Context For reasons unknown a large, powerful company wants to engineer colossal squids to catch or kill sperm whales. They have tons of money to do this and even more resources.Just one thing... ...
10
votes
5answers
2k views

How long would it take to discover a large Island appearing in the ocean?

(This is part of a game I'm making, with a bit of backstory here.) Details: Size/Shape: Roughly oblong and quite large. Length of 15 miles, and a greatest width of 8 miles. Placement: 500 miles ...
2
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3answers
177 views

Generation ship: How big exactly?

So first off I will assume that the generation ship has a reasonable capacity of 1 billion and 45,000 people are the first generation on it. Also assuming an 8/1000 per year death rate(the average ...
3
votes
3answers
124 views

Futuristic Heat Gloves

In my story, I've been drafting a character with abilities based on fire and heat. I had this idea that he could have gloves that can increase in heat on the outside while the inside temperature stays ...
2
votes
2answers
117 views

Steam Powered Stem Cell Bank

Context You know those thing called blood banks, well they have some for specifically cells, which are called cell banks. Essentially they preserve the cells and stop their growth for later use. Now ...
19
votes
15answers
4k views

Steam Powered Hammer

Question So lets say a post-apocalyptic society that primarily uses steam to power everything wants to make war hammers that have their impact force enhanced through the power of steam. What ways ...