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Questions tagged [technology]

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

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4answers
82 views

[Modern]How would naval warfare have to have developed differently for battleships to still be relevant in the 21st century?

So basically, battleships are awesome. I am interested in creating a setting where they were never superceded in their role of long-range command vessels and fire support by aircraft carriers, ...
0
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5answers
635 views

Why make androids self aware?

In my world, automation reaches a new level with the introduction of androids. Robotic human beings capable of doing any job a regular person can. The concept of these androids is that they can be ...
0
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0answers
52 views

Is a vacuum rockoon economically feasible? [on hold]

Rockoons are basically large helium or hydrogen balloons that carry your payload launch vehicle to a height of say 40 km. Following this the launch vehicle detaches and launches conventionally using ...
16
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6answers
3k views

Is it possible for underground bunkers on different continents to be connected?

In a scenario I'm thinking of, the Earth has been nuked bare and a few remnants of humanity are surviving in their underground bunkers. Let's say there is one in North America, one in Central American,...
25
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27answers
8k views

Is it possible to have battery technology that can't be duplicated?

I'm creating a near future world where one faction is using high energy density batteries that enable their vehicles to outperform gasoline based technology. Like cold and silent aircraft and ...
24
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13answers
8k views

Can there be a single technologically advanced nation, in a continent full of non-technologically advanced nations?

The run down here is that there's this continent, and there is a lot of unclaimed land where countries haven't formed yet and a lot of tribes but there are some actual countries like kingdoms, (where ...
6
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1answer
82 views

Could a split cycle intercooled flamelicker have been a viable power source?

Flame lickers work by sucking hot air into a cylinder and then relying on the cooling of the air by the cylinder wall to create a partial vacuum to pull the piston back. see video In an alternate ...
51
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14answers
10k views

Would a steam powered plane be able to cross the Atlantic ocean?

In a world where the development of internal combustion engines had been seriously delayed (for whatever reason), would it have been possible to power heavier than air aircraft by steam propulsion? ...
12
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9answers
3k views

Medieval flying castle propulsion

One day, on the faraway world of not-medieval-Europe, someone discovered that a type of stone could be made to float. A decade or two later, there are flying castles, built out of and/or on a ...
14
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10answers
6k views

What are the power options for intelligent humanoid robots?

In my future setting on Earth (or an Earth-like planet; haven't decided), the fields of robotics and AI have taken off and we have intelligent, ambulatory robots. (They were initially thought of as ...
41
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20answers
9k views

What could be the right powersource for 15 seconds lifespan disposable giant chainsaw?

Imagine when a jet fighter swoops in to drop a 400 pounds giant chainsaw to you just so that you can use it to grind down one problematic enemy into a pulp then discard it a foot away from you. What ...
3
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2answers
112 views

Handmade metallic cartridges [closed]

Could a group of survivors resupply metallic cartridges with hand-operated tools to be used on small arms in their shelter? What would those tools be and how usable are these handmade cartridges? ...
3
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3answers
304 views

Ballistics of a 19.25mm revolver

A lead off from my last question, the actual ballistics of the round. I've learned from the last question and ran some numbers and come up with a basic idea for the ballistics of the revolver. Lead ...
5
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7answers
397 views

Feasibility of extraterrestrial metals?

In a sci-fi universe where man has the capability to leave our solar system would metals or alloys above and beyond our own be possible? Or at least within the bounds of reasonable possibility? As the ...
3
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2answers
128 views

Humans meet a distant alien species. How do they coordinate? - Computers [closed]

Part of a series addressing the challenges of a mutual first contact. Previous question here Humans meet some distant alien species. They are mutual first contacts. After learning the languages of ...
7
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1answer
169 views

How much energy can I produce per kg of hydrogen using this process?

In the far future the posthuman successors of mankind have disassembled the stars and live on ultra slow and ultra efficient solar system sized computers, Matrioshka Brains. The last enemy of ...
25
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7answers
7k views

Could a 19.25mm revolver actually exist?

I'm working on writing a story wherein there is a revolver inspired by Guillermo del Toro's Hellboy's samaritan. My question is; can such a gun, as described below, work? Or would it be a bone breaker ...
1
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1answer
73 views

A society built an airship. What else? [closed]

A steampunk society managed to develop functioning airships filled with helium, powered by a steam engine. They mine this helium from an underground reservoir along with other natural gas. What else ...
1
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0answers
49 views

What would be day to day life like, for people during a renaissance like period in a world I'm building [closed]

Like I said, what would people eat, what would they drink, how'd they spend their time. I realise this isn't really a hypothetical question, rather a question that requires some information from an ...
2
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4answers
1k views

What would the proposed advanced civilization be like in the Young Dryas? (12,000 years ago)

It has been proposed that an advanced civilization existed 11-12,000 years ago and was wiped out by a comet strike which hit glacial ice and caused a massive flood. Remnants of this civilization are ...
9
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6answers
451 views

Could we build a massive “Ark” type space station with current technology?

Armageddon is coming. A giant Texas-sized meteorite on a collision course with planet Earth is discovered in 2020. It will hit Earth in 2030 and will wipe out 90% of living things including humanity. ...
29
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8answers
6k views

Is my plasma cannon concept viable?

I’ve developed a concept for a plasma cannon, and I need it reality-checked. The cannon would gather ammunition by pumping air into the gun through an external fan. The air would gather inside a ...
1
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4answers
422 views

Newton's 3rd law & Quantum entanglement

Once a long long time ago a guy called Newton came up with a law he called his 3rd law. "The laws of motion" Everyone knows about "Every action has an equal and opposite reaction" My question here ...
5
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5answers
341 views

Making the God-Hand Make Sense

In my world an advanced alien civilization are worshiped as gods by the human population. As the gods have better things to do than actually spend time interacting with the local fauna they created a ...
5
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8answers
2k views

How can I minimize the damage of an unstable nuclear reactor to the surrounding area?

Gods in this universe inhabit a higher plane of existence. Their spirits inhabit large, humanoid forms upwards of 30ft, and watch over humanity by protecting it from outside threats. On occasion, a ...
1
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3answers
193 views

Real-time planned economy with feedback

What about a society that would function the following way: Someone creates an idea of a product or service and posts it on a special site in the Internet. People vote for the idea indicating amounts ...
6
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4answers
920 views

Would it be possible to set up a franchise in the ancient world?

The night queen has invaded the northernmost part of easteros with an army of ice wightwalkers. They have surrounded a castle called summerfall, trapping our heroes inside. Various armies of different ...
26
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7answers
3k views

What city and town structures are important in a low fantasy medieval world?

I've been working on a procedural map generator that draws cities and towns on continents and islands and I've gotten to the point where I'd like to add lists of structures to the settlements. I know ...
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votes
1answer
106 views

Bolt-action rifle in the 15th-17th century [duplicate]

Lets say a nation around this timeline was making research and advancements in firearms. Other than a flintlock or breech-loader, is it possible for them to produce a repeating bolt-action rifle? ...
13
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4answers
2k views

With today's technology, could iron be smelted at La Rinconada?

La Rinconada, Peru is notable because it has an effective oxygen concentration of only 11%, leading to the need for special techniques just to keep a fire going, and preventing the use of combustion-...
9
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8answers
2k views

How can my ancient Roman civilization develop effective steam power for use in ships?

Following on from this question which specifically asks about the consequences of aeolipile development, how can my ancient Roman civilization develop effective steam power for use in their ships? I ...
0
votes
0answers
47 views

Could a steamship be built somewhere during the 14th-17th century? [duplicate]

Could an earlier and simple variation of the steamship be built around the 14th-17th century? If not, are there alternatives to having a ship not powered by sails?
-1
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2answers
92 views

Would a medieval-type castle still arise in an alternate history? [closed]

So, to set the background a bit. I'm writing a story that is an alternate history basically diverging midway through the 1st century BC: the roman empire falls. Here I am looking at a Germanic people ...
2
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1answer
217 views

Highest level of 1930's Technology possible [closed]

Backstory I have a character who goes back in time to plant an idea in the minds of government scientists during the 1930's. The idea is to analyze a DNA sample and recreate it for future use in the ...
0
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3answers
175 views

Can magic and technology coexist? [closed]

Some background The world I am working with contains 5 (and a half) realms, two of which are more like reality, one realm with magic, one without. The realm without magic is presented as the world ...
13
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5answers
3k views

What is the minimum required technology to reanimate someone who has been cryogenically frozen?

As part of the story I am writing, an individual is reanimated with relatively crude cryogenic technology. Given the constraints of biology, what would this entail in terms of real/current (or ...
9
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4answers
945 views

What would happen if I showed the Vikings advanced technology? [closed]

Today, I answered a question in an essay which related to time travel and what I would do if I could go back to a historical period. This got me thinking, and I came up with a hypothetical scenario in ...
4
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2answers
147 views

Atmospheric pressure engine train in the 15th-16th century

With the knowledge and tools required, could an atmospheric pressure engine train be built in the 15th-16th century? If so how effective would it be and what change would it bring to the world in that ...
2
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0answers
110 views

Is it possible for industrial revolution to happen without colonialism? [closed]

As we all know, with Christopher Columbus re-"discovering" America in 1492, the wondrous Age of Discovery began - and with it new dreams of conquest and wealth, that became realized in the way of ...
45
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8answers
9k views

Can coins be made out of concrete or cement?

Would it be possible to make coins from concrete with designs like the metal ones?
5
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3answers
149 views

Would a life form with the intelligence of a human but without an appendage for manipulating its environment be able to have advanced technology?

On another planet there is a life form that has the same level of intelligence as humans on Earth, but it has no appendage to manipulate its environment. It has similar social structures to humans ...
1
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0answers
57 views

How might teleportation to or from a place far from a teleportation device work? [closed]

In many science fiction television shows, and movies characters are teleported from the space ship to a planet, and vice verse, even though the planet has no teleportation device on it's surface, and ...
1
vote
3answers
207 views

Could a percussion rifle be produced in the 15th-17th century?

Could a percussion rifle such as the springfield m1861 be made somewhere between the 15th-17th century? If so how would it be made?
6
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3answers
237 views

What would a car look like for an animal with eyes on the side of their heads?

Imagine an animal like a cow in regards to eye positioning; they can look forward to lessen their frontal blindspot a bit but assume that doing that for a prolonged amount of time is straining. What ...
5
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4answers
735 views

Where would water come from in an underground colony?

A large solar flare event ignites the atmosphere of Earth, but luckily, humans have been preparing for an event like this for some time. We have a fairly large shelter around 2.2 kilometers ...
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votes
12answers
395 views

A properly malfunctioning gun [closed]

A friend of mine wrote me: "I have designed a rifle that cannot be used for a terrorist attack. It fails to shoot in the instance of it. Other than that it is a good gun. In fact it is the best and a ...
7
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3answers
2k views

Is a self contained air-bullet cartridge feasible?

In my world, there is no access to modern or traditional gunpowder. I was wondering if a dedicated technician with a modern shop (cnc machines, and a surplus of parts and raw material, etc) would be ...
6
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3answers
260 views

Most effective melee weapons for arboreal combat? (pre-gunpowder technology)

The creatures I am working with are primate-like, hexapodal aliens with a terrestrial/ arboreal lifestyle. On flat land they are able to walk bipedally, freeing up their top 4 arms for manipulating ...
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5answers
2k views

Repeating Arbalest

This is an Ancient Chinese repeating crossbow It is fast, light and easy to use, but really weak. One bolt alone could hurt someone but not kill, 3-4 bolts could actually be deadly but it's a ...
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2answers
183 views

Feasibility of ocean-spanning railroads? [duplicate]

I answered another question with the possibility of a world-girdling railroad. Another poster on that thread did not feel that was viable for Earth. I've been pinging around on the Internet ... I find ...