Questions tagged [computers]

For questions regarding a device that can be programmed to carry out a set of certain set of tasks without external intervention.

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47 votes
7 answers
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How powerful of a computer do I need to simulate and emulate a human brain?

The title is pretty self-explanatory. How powerful does a computer have to be before it has the hardware capability to simulate and emulate a human mind in real-time? I'm leaving the question of the ...
Serban Tanasa's user avatar
82 votes
19 answers
16k views

How would an aquatic race develop computers?

Following on from this question and assuming the race in question had developed the ability to create tools how would they approach the need for mass calculation. Our early computers were used to ...
Liath's user avatar
  • 18.6k
-1 votes
3 answers
631 views

A big primitive computer in orbit, very big, powerfull but old technologies from 80's, what is a potential fiat money value for its use? [closed]

This question about the economy of technological solution, there 800 of such on wb Was looking for materials for the answer to the question Semiconductor foundries are a thing of the past. Rebuild the ...
MolbOrg's user avatar
  • 6,442
391 votes
25 answers
47k views

How would Facebook Sysadmins prevent the summoning of Cthulhu?

So, I've got this idea for a short story. Some researchers find a forgotten manuscript hidden locked away in an ancient tomb. While they are working on it one of them pastes part of the text into a ...
Tim B's user avatar
  • 77k
115 votes
12 answers
29k views

How long would it take to create a Windows 1.0 capable machine from complete scratch?

I've been thinking about this concept for a while and have not been able to figure out what could be a plausible answer. It seemed appropriate for my first question on this website. Imagine an ...
Mano Gilissen's user avatar
41 votes
7 answers
12k views

Just How Powerful Could a Mechanical Computer Be?

We've all heard about the 1822 Babbage Difference Engine and other mechanical computer ideas of the 19th century. Sadly, Babbage's computer and printer ideas were never implemented in our world†, and ...
Serban Tanasa's user avatar
39 votes
7 answers
6k views

How long can an abandoned, semi-sheltered computer remain bootable?

Simply put, what's the expiration date of a computer? The reason I ask is for the sake of a society recovering from some sort of cataclysm and trying to reclaim lost technology. However, I could also ...
Emmett R.'s user avatar
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117 votes
27 answers
20k views

If our universe was a simulation, what could a bug look like?

Let's assume, without revoking any of today's science, that the world is a simulation. What would a bug look like? I'm assuming that "the eiffel tower suddenly being bent at 45°" is rather unlikely, ...
Sheraff's user avatar
  • 12.4k
10 votes
12 answers
1k views

Can people upload their consciousnesses to computers?

The idea of uploading one's personality and consciousness to a computer is a semi-common science fiction trope. It has been suggested as a way to essential immortality. In a story I'm working on, an ...
HDE 226868's user avatar
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67 votes
36 answers
25k views

How could I have modern computers without GUIs?

Even though text-based terminals still see specialty use cases, modern general-purpose computers generally run graphical software and have a graphical user interface (GUI). This includes everything ...
user's user avatar
  • 28.9k
63 votes
14 answers
17k views

What would be the impact of a modern programmer and laptop being dropped into World War II, possibly breaking Enigma?

I've always found the idea of intelligent every-man sent back in time using his knowledge of the future tech to realistically impact the past. The first time something like this came to my mind was ...
dsollen's user avatar
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32 votes
14 answers
11k views

How much memory is needed to record a human thought?

Mind-Machine interfacing is fairly common across the width and breadth of sci-fi, from Science-fantasy to Hard Science-Fiction. The idea of connecting a human mind to a computer system especially the ...
Trismegistus's user avatar
  • 3,941
23 votes
11 answers
4k views

Semiconductor foundries are a thing of the past. Rebuild the computer industry if you can

After the uncontested absorption of Hong Kong in 2020, China reasserted control over Formosa in 2022. In 2023 the Korean government reopened its war against its southern rebels, leading to their ...
Mike Serfas's user avatar
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21 votes
5 answers
4k views

Water-based computer

We all know that electrons behave like flowing water, e.g. that electric currents behave like water currents. We also know that modern computers use electric currents to carry out mathematical and ...
MedwedianPresident's user avatar
9 votes
4 answers
10k views

For how long would electricity and internet be avaliable if all but one human on Earth were gone?

In my story all humans except one vanished suddenly. This one received the gift of immortality and is now alone in this world. Considering that the world is identical to ours. How much time does this ...
Ítalo Lessa's user avatar
62 votes
38 answers
17k views

Why would technology dictate graphical interfaces to be rare on spaceships?

This question differs from that question in that the other question is asking about a change in history while this question is looking for a change in the future. In a near future setting I am ...
dot_Sp0T's user avatar
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51 votes
29 answers
8k views

How long can it really take to calculate a hyperspace jump?

It is a common trope in sci-fi that engaging a vessel's faster-than-light travel requires performing some complicated mathematics that takes a non-trivial amount of time. I want to know to what extent ...
Tom's user avatar
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31 votes
13 answers
4k views

Computer that lasts for centuries?

So, somewhere around one hundred years from now, a terrible - and unexpected - disaster strikes Earth, most of humanity dies off, yadda yadda yadda. Luckily, secret-lab-dwelling scientists had ...
NinDjak's user avatar
  • 412
24 votes
10 answers
11k views

How would we compile our code if all our binaries disappeared?

How would we compile our code if all the binaries in the world disappeared and we had only the source code? At first you might think “It’s all okay: I have my Roslyn code here”, but wait! It’s in C#! ...
Rytis I's user avatar
  • 309
14 votes
16 answers
5k views

Justifying why mind uploading destroys the brain

So, in the relatively-far future, humans, in their endless quest for immortality, develop a form of mind uploading. This involves scanning the brain, cell by cell, and creating an electronic model of ...
user98816's user avatar
  • 8,459
14 votes
5 answers
2k views

How To Eat the Moon

An ASI (Artificial Super Intelligence) has come to the conclusion that we humans should be put in a simulation. It has also decided that it would rather not turn the Earth into computronium. ...
AdamHovorka's user avatar
  • 2,074
7 votes
5 answers
1k views

What Technology is Needed to Virtually Simulate...Everything?

This is not my question. In my story, I have a machine that you can connect to using electrodes. It allows one to enter a small virtual reality room where everything from gravity and electromagnetism, ...
overlord's user avatar
  • 6,232
7 votes
5 answers
833 views

Effects of erasing 90% data on humanity

I am playing with idea of Earth being attacked by aliens. Such attack is aimed on our computers and reason of attack is to show to the Federation of planets that we are still weak to be contacted. ...
Pavel Janicek's user avatar
5 votes
2 answers
2k views

Perfect logic implementation by computers

Those who have seen the movie, I Robot, will understand my question better. Imagine we're in the future, where a quantum computer (read wikipedia for speeds of QCs) that uses 'perfect logic' controls ...
ghosts_in_the_code's user avatar
4 votes
8 answers
2k views

Is It Possible for a Universally-Executable Virus to be Written in Binary?

In my world, there was a man that wrote a virus in binary code - which in turn infects every computer-based system in the world, as long as it is connected to the internet. Is this even possible? ...
overlord's user avatar
  • 6,232
-3 votes
4 answers
448 views

Our brain is a very powerful signal processor, what's stopping us from creating computers to emulate [closed]

Our brain is a very powerful signal processor. It takes input (memories, senses, ...) and produces output (actions, thoughts, any decision). It only soaks in data and creates patterns to make decision ...
Arijoon's user avatar
  • 95
128 votes
15 answers
11k views

Why would characters spend time answering imaginary questions to fictional hypotheticals?

I'm developing a simulation where characters, "users", are interacting over a virtual communication network. "Users" have the option to engage in any activity they want at any time, as long as the ...
B-RAF's user avatar
  • 923
66 votes
18 answers
17k views

What would happen if an alien race gave us a computer capable of 2^256 calculations per second?

The security of public key cryptography relies on computers not being able to generate anywhere near 2256 guesses per any reasonable time length. The obvious implications of a computer this powerful ...
Snowman's user avatar
  • 649
61 votes
39 answers
11k views

Dangerous pending task in world managing A.I

I've had this idea for a short novel, at the intersection of the One thousand and one nights and the Multivac (& co) short stories from Asimov. The idea is that there's some kind of super AI that ...
Jemox's user avatar
  • 4,311
54 votes
10 answers
12k views

Does my shipboard computer slow down as I approach light speed?

This question about time dilation got me thinking. The speed of an electron through copper is a whole heckofa lot slower than the speed of light, but if I understand the limits of relativity ...
JBH's user avatar
  • 117k
48 votes
14 answers
7k views

"Life post-Singularity", or "How to survive without Instagram"

The Story The year is 2027, singularity happened. A powerful AI (let's call it Eve) was created. In a matter of days, it escaped the control of its creators and hacked all the computers of the world. ...
Babika Babaka's user avatar
48 votes
20 answers
8k views

Is there a reason to believe that programming languages are going to converge?

On Earth today, even though most people speak some English, there is seemingly no reason to believe that future generation's main language will be the same in decades/centuries to come (i.e., we'll ...
Sheraff's user avatar
  • 12.4k
44 votes
16 answers
6k views

Could the law be implemented as a computer program?

The laws would be defined in code written in a programming language. Maybe it would be in two parts, the actual rules and then a library that could run them (like how a form validation library is ...
Gnuffo1's user avatar
  • 549
42 votes
12 answers
16k views

What steps are necessary to read a Modern SSD in Medieval Europe?

So the main team of characters is traveling back in time from "modern day" to medieval Europe, arriving around the 1300s. Assumptions: They Know they are going, they have space and time to prepare, ...
ChaosCenturian's user avatar
23 votes
17 answers
9k views

What is eating, for software?

Background A spaceship is crewed entirely by self-aware artificial intelligences, who have no permanent physical bodies; they are processes in a digital environment controlling the ship. This ship is ...
KeizerHarm's user avatar
  • 14.2k
22 votes
8 answers
6k views

Would Moore's Law apply to mechanical computers?

We know through the works of Babbage, Lovelace, et al. that mechanical computers (computers operating through gears, cogs, etc., and powered by steam or some other arbitrary non-electric power source) ...
Robert Columbia's user avatar
16 votes
3 answers
4k views

How to make this base-10 metric time concept work

I am trying to make a fake metric-time app to prank some friends when we take a trip to Canada soon and would like to know how I could make this work conceptually. I already know that the time is ...
DeveloperACE's user avatar
14 votes
6 answers
1k views

What would a hand-powered medieval computer need to be feasible?

To clarify, I'm not talking about electronic computation. Instead, the question is as to what barriers would prevent a medieval society from building something in the vein of a Jacquard Loom, or ...
Fraser's user avatar
  • 357
14 votes
7 answers
3k views

Is Ternary an option for a tech future?

I have an idea for a story set in the near future, with a character who breaks onto the global scene with a breakthrough advance in technology that makes him billions. My question is whether or not ...
Wompguinea's user avatar
12 votes
3 answers
1k views

Stone Age Circuitry?

As a tangent to How "advanced" can a stone age society get?, is there a way that simple electronics could be created by filling channels cut into rock with some form of conductive material? ...
Danny Reagan's user avatar
  • 6,026
10 votes
6 answers
266 views

Technology capable of reading brainwave commands

In sci-fi we have seen computers, high-tech armour and other technologies respond to a character speaking orders out loud- would an interface that reads a person's brainwaves- basically receiving and ...
king of panes's user avatar
10 votes
17 answers
4k views

Non-religious reasons to have highly advanced physical simulations without any AI which can predict or mimic human behaviour, even algorithmically?

Note: This question was heavily rewritten for two reasons: Firstly, many of the answers were not exactly what I asked for; Secondly, both the original question and all the answers to it were from ...
Choroflorocarbon's user avatar
9 votes
11 answers
2k views

What would a society without cryptography look like?

In this world you have access to computers powerful enough to decipher messages as long as the method used to encrypt it has at least one theoretical weakness (those computers cannot defeat an ...
Ephasme's user avatar
  • 815
8 votes
16 answers
4k views

Handwave Computer

In many alternate technological settings (steam/electro/diesel punks) there are powerful energy sources that allowed technology boom (like whale oil in Dishonored game series). However handwaving ...
G.ogre's user avatar
  • 329
7 votes
3 answers
790 views

How must computers/telecommunication deviate from reality for a retrofuturistic setting?

. I love the aesthetics of retrofuturistic settingsand I aim to build my own. A mixture of a fantastical, Thundercats(2011),Outlaw Star x Star*Drive. How yesterday saw tomorrow is quite fascinating ...
Trismegistus's user avatar
  • 3,941
7 votes
7 answers
3k views

How to Create and Use a Black Hole Computer Drive?

I have been working on a futuristic story where information can be stored and used with a black hole. This is a highly advanced human society that has accomplished interstellar space travel via both ...
Jax's user avatar
  • 11.9k
7 votes
8 answers
2k views

Building and powering a computer in a bronze age world

A character needs to build a computer out of raw materials in a bronze age. He has a nano scale factory, so manufacturing chips and such from silicon is possible, but I'm not sure of the best way to ...
AndyD273's user avatar
  • 34.6k
6 votes
3 answers
921 views

A supercomputer around the sun

I wish to build a sort of Dyson swarm around the sun. Not to transmit energy, but to put supercomputers in each satellite so they can calculate spatial trajectories. The main idea of the project is ...
PatJ's user avatar
  • 3,294
6 votes
4 answers
805 views

What would a society forbidding cryptography look like?

My world has a very peculiar low forbidding people from ciphering information. The penalty for such a thing is very very high. In this world everything should be seen and understood by anyone. It's a ...
Ephasme's user avatar
  • 815
6 votes
7 answers
3k views

What would the world be like if computer software did not have any "undo" feature?

What would the world, and more specifically, productivity on modern computers, be like if Undo (a.k.a. Ctrl-Z) functionality has never been and will never be invented? To clarify: there is no ...
Yellow's user avatar
  • 185