Questions tagged [technology]

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

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votes
3answers
486 views

How does an O'Neill cylinder generate its own magnetic field?

The purpose of a magnetic field is to shield against solar winds, which are relativistic ions produced by our Sun. This is a typical O'Neill cylinder with 4 islands. I'm looking for a cost effective ...
4
votes
6answers
411 views

Sentient trees. Can they develop technology?

Flying insects are the only moving animals in this world - they take care of pollination. Adult trees (over 10 years old) are rooted to the spot with very wide-spreading root systems. Trying to ...
4
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4answers
508 views

How would I relay information on a screen to echo-location utilizing sentients?

Since they don't use sight to relay information to their brains, how would information on a computer screen be displayed in a meaningful manner? Would this hinder the advance of my civilization? EDIT:...
4
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2answers
166 views

Would it be plausible to have a Machine that generates storms? (No Magic)

For my fictional world I want to conceal a location from a governing body. Would it be plausible to have a machine that generates a severe storm that could get rid of boats and airplanes? Would ...
3
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2answers
212 views

Sapient aquatic species substituting geothermal vents for fire

In a question I saw on here a while back, somebody said that the development of a sapient, technologically progressing species requires fire, and thus such a phenomenon could not occur under water. ...
3
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0answers
99 views

Semi-liquid Atmosphere - Other questions [closed]

Part 4 (last) of Semi-liquid Atmosphere Questions: This part I'm not really considering too strongly yet. But feedback is still awesome. Other stuff. For future. Possibly. Landforms How might this ...
3
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4answers
2k views

How do you know an invisible person is near to you and catch him with day-to-day items? [closed]

Some people developed the power of being invisible. They start bothering the population and no scientist seems to know how to develop some advanced technology to detect and stop them. The government ...
3
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2answers
546 views

Is an artificial womb feasible?

Does the following progression/collection of technologies make sense on the way to an artificial womb? The central assumption to this question is that the female body is a delicate, complicated ...
2
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3answers
1k views

Would a fighter jet be able to go into orbit from Mars surface?

Says a F22 with full tank is trying to break through the thin layer of Martian atmosphere and almost moon like gravity(alright that's probably too exaggerated) anyway say there is a runway stretching ...
2
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1answer
294 views

Explaining high tech gadgets in an ancient world?

In a medieval world, the protagonist has a suit of armor that draws off of his body heat to produce a weak electromagnetic shield that repels against attacks from metal weapons. I don't feel ...
2
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1answer
468 views

Is a shruikan dragon size possible in the real world?

In eragon/ inheritance (the book series): Is an organism like Shruikan, the black dragon of Galbatorix, really possible and if so, what would one have to do to create an organism of that proportion (...
2
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3answers
415 views

How can I make a Nuclear Powered VTOL Safe?

Here's the set up. In my slightly-futuristic mildly-sci-fi novel, I have a need for an aerial transport vehicle (I have been informed what I need is closer to a VTOl than a hovercraft). These crafts ...
2
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3answers
322 views

Would a nuclear fission thruster with continuous fuel injection be possible?

Assume that Uranium is vastly available, as are the building materials. Can you build this device? The fuel tank stores uranium at a high temperature so that it remains liquid. The fuel injector/s ...
2
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3answers
339 views

Non-Metal society

As pointed out in Non-metal warfare, it is highly unlikely that a society without access to metals will be able to progress further than the stone age: In my world the only available metal is ...
2
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4answers
331 views

Capturing wind in a bottle

I have been wondering lately what changes would need to be made to our world to be able to capture wind in a container. To clarify, I would like to be able to have something like a water bottle with ...
2
votes
1answer
141 views

How to tour Cretaceous Period on economic class?

Supposedly I found a phone booth that can transport user 65 millions years into the past (location fixed at Chixulub just 30 minutes before the announcement of the arrival of the impactor. Points to ...
2
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5answers
882 views

What shape would a spaceship have [closed]

I was watching Star Trek, and I thought that the shape of the Enterprise is quite weird. So what do you think a big spaceship like the Enterprise would look like? We assume in this case that the ...
2
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3answers
166 views

Lonely gods and their planets [closed]

I would like to make a world that follows all of our laws of physics except that every star has a habitable, earth-like planet in its Goldilocks Zone (I love that term). Each planet has a collection ...
1
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5answers
659 views

Could an advanced species, having evolved on a large planet with a deep gravity well, be helped out of it from above?

Suppose an intelligent species evolved on a large rocky planet, one with sufficient mass that the species had little hope of developing anything anytime soon that could achieve escape velocity. They'...
1
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1answer
114 views

What would the consequences of this IEG be?

In the universe that I am developing the following has occurred... A new type of "liquid energy" has been found/created: 432,540,909,020.0724 Mj in 1 Liter Edit: Description of what the fuel is in ...
1
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3answers
251 views

Could canals solve H G Wells Martians water shortage problems?

Could a world similar to that envisioned in the Mars of Edgar Rice Burroughs / H G exist? And if so would canals be a practical way to make the planet habitable over the long term? For current ...
1
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5answers
189 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 ...
1
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5answers
617 views

Why make androids look human? [closed]

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 ...
1
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7answers
273 views

How would one design infrastructure in a world where people can disable technology with their eyes?

So, the central conceit of my story is that one day in the modern times, everyone on Earth over the age of 13 starts getting superpowers. While some of them are possible to remove (but only if ...
1
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2answers
799 views

How would civilization change without electricity? [duplicate]

Let's say that starting today, electricity "stops working" (I'd like to sort the details of that in a different question). The case is that somehow electricity can't be used anymore. How would ...
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2answers
547 views

What are the most efficient sources of water and electricity in a vast desert? [closed]

I have a story taking place in a vast desert. There are however a few large and highly advanced cities within this desert with running water and electricity and I was wondering if this would be ...
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2answers
290 views

What could be done to make a red dwarf become a blue dwarf, then a white dwarf and then finally a black dwarf in a short amount of time?

My civilization is highly advanced Type III and wants to conduct an experiment on a red dwarf. They want to artificially cause it to become a blue dwarf, then a white dwarf and then finally a black ...
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0answers
78 views

Scientific Accuracy - alien communication ideas [duplicate]

I'm writing a speculative story about aliens coming to earth, and just wanted to bounce a couple of ideas for scientific accuracy (or at least lack of obvious impossibility). This is set in the near ...
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2answers
272 views

How to keep intelligent races from discovering electricity?

Without changing a planet from being habitable for humans and keeping a similar ecosystem why could intelligent races never access electricity? ...
0
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1answer
116 views

What could prevent a planet from possessing magnets/electricity?

Without changing a planet from being habitable for humans and keeping a similar ecosystem why could intelligent races never access electricity? What systems need to be erased from the planet to not ...
-3
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3answers
425 views

Is a fuelless engine possible? [closed]

I would like to know if a fuelless engine is possible in reality. I think you've heard of the Chinese making one. Can there be an engine that doesn't require any fuel? The idea is to make human-...