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Questions tagged [technology]

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

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3
votes
2answers
578 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 ...
0
votes
1answer
168 views

Martian Terraformation [closed]

This have already been answered in several questions. See the comments for details. I wonder what would it would take to bring Mars back to life. I've done some Googling and haven't found anybody ...
5
votes
3answers
350 views

How could a radio system (or an alternate) work in an isolated underground society?

A cave-bound society with radios. Consider that: This is a three level network of caverns. The radio is internal and doesn't need to connect to the outside. The level of technology is sort of what ...
9
votes
2answers
2k views

What is the earliest that a civilization could develop airships?

Assuming a technological progression roughly similar to that of Europe in our world, what is the earliest that a civilization could have developed rigid-frame airships? For example, one could imagine ...
5
votes
2answers
399 views

How to lead a nation when a break in anonymity can be lethal?

A few years ago, all adult humans (>=18 years) gained the power to kill another person just by thinking about it as described in this question in an event known as ThoughtKill. Assuming that most of ...
3
votes
4answers
189 views

How to save humanity's legacy? [duplicate]

The Human species is diagnosed with some incurable disease, which has spread to every person. The luckiest have a year left to live. Humanity is over, but our achievements need not be. What can we ...
3
votes
2answers
214 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. ...
6
votes
3answers
664 views

How can a dragon utilize antimatter in combat?

Frankly speaking, I haven't come up with a design for my dragon; however, I want to design a dragon that can feast on the energy released from the constant bombardment of cosmic rays (either solar or ...
8
votes
1answer
604 views

Anti-gravity engine/power plant for an airborne super carrier/assault carrier

I'm currently world building for a novel of mine that I am currently writing. It is steampunk-themed so the technology I am going to use is steam based. Let's start this at the beginning so you ...
1
vote
1answer
382 views

What can you disguise a space ship as? [closed]

Okay, so the space pirates came. We tried turning stealth on, but they just turned their IR sensors on and took our loot. Well, the space pirates are coming back again for more space piracy! This time,...
2
votes
1answer
102 views

Timeline for developing a “retroscope” – looking back in time [closed]

Some time before 2020, a small group of physicists publishes a theory about how photons (and maybe other particles, too) “remember” their path and previous states, i.e. it should be possible to ...
4
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1answer
397 views

The Vertical City

This question is based on my recent exposure to the "Vertical City" proposition. If the familiar metropolitan cities, like New York, Chicago and so on, grew upward rather than outward, what ...
23
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10answers
13k views

A World Without Mathematics

What significant technologies would be lost in a world without "Advanced" Mathematics? Specifically, what technologies required to get to the next level of scientific progress in an area would be lost....
2
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2answers
224 views

Silent low altitude long range supersonic drone

In the near future, drones replace military fighter jets that require human pilots. These drones will be travelling at many times the speed of sound. Highly sophisticated drones will be able to evade ...
5
votes
2answers
261 views

Can we create an Earth-like planet from Oort cloud?

Say a technological advanced civilization wants to create an Earth-like planet using materials from the Oort cloud. Could they really be able to create a habitable world resembling Earth using just ...
0
votes
2answers
193 views

Will space exploration be possible in a world without sand? [closed]

Same Earth same timeline only difference there isn't even a grain of sand since the formation of planet Earth, can a civilization still be able to reach space age without the abundance of dirt cheap ...
4
votes
4answers
1k views

Motivation for Technological Advance

Supposing humans weren't so power hungry and selfish, what could motivate us to advance our technology at the same rate as we have been? If you imagine a very community based world where everyone is ...
1
vote
4answers
393 views

What kind of technology is required to part water?

Many biblical stories often depicts parting of water most famously by Moses at the red/reeds sea. I have considered using present day science to explain Moses's feat but that proved impossible, my ...
-1
votes
1answer
171 views

Peaceful light weight power sources [closed]

Could there power source that can provide unlimited power? It has to peaceful like wind or solar but be able to be moved if need. It has to able to be moved by air and by land, water would be helpful ...
1
vote
1answer
90 views

General Purpose Machine Gun Ring Planet [closed]

I wanted to use gravity assist to hurl some of the rocks and dust in the planetary ring in quick succession onto the enemy's direction, what kind of future technology am I looking for? Is there a way ...
12
votes
6answers
2k views

Is there a technical term for a civilization that “eats” others to gain their knowledge, powers, etc.?

Is there any kind of technical term (and if not, can you think of one) for a civilization that “eats” others to gain their knowledge, powers, etc.? Such as… the Borg from Star Trek sort of did this, ...
3
votes
3answers
753 views

An alien craft lands on Earth in the stone age and leaves a 'useful' artefact. Did they waste their time? [closed]

An alien spacecraft flies past Earth on a tour of the universe. They spot some apparently intelligent creatures and decide to leave them a present. The artefact is effectively a perpetual motion ...
3
votes
3answers
773 views

What would an Earth-like binary system be like?

I've been interested in binary systems lately, and I was recently wondering what Earth would be like if it was in a binary orbit with another Earth-like planet. Both planets exhibit the following ...
3
votes
2answers
892 views

Fusion Power and Plasma Propulsion

In the classic idea of a Tokamak Fusion Reactor, plasma races around an electromagnetic track. Is it plausible to "spin" off some of this rapidly moving plasma and direct it to nozzles for use in ...
13
votes
11answers
4k views

How do you establish identity when people can change their appearance at will?

Building on the universe established in this question, what happens to identity verification when someone's physical appearance and genetic code are modifiable at any time? Review of universe rules: ...
0
votes
3answers
226 views

Fell the phylogenetic tree

A top secret organization is planning to introduce a New World Order and replaces every human being (homo sapiens sapiens) with the evolved form of sub species of homo sapiens. Meaning we are sub ...
7
votes
7answers
1k views

What was the magic moon for? [closed]

In a setting I am building for a D&D campaign, the planet (named Amalthea) has two moons, Rhea and Namaka. Rhea appears a little larger and slightly redder than the Moon, and Namaka appears in ...
3
votes
3answers
345 views

What would be the effects of safe lightweight nuclear power?

Upon asking this question, I have learned why we can have nuclear powered ships, but not aircraft. The reason is because the shielding needed for the nuclear reactor is simply too heavy for the power ...
1
vote
2answers
214 views

Dwarf raising a battalion of dinosaurs [closed]

Set in alternate parallel universe where reality mirror ours with one big exception, the cunning dwarfs. The male adult is less than the length of an iPad but weights 50Kg, their technology is far ...
2
votes
1answer
250 views

What are the social and biological implications of a successful head transplant

My question is inspired by Sergio Canavero's proposed head transplant for Valery Spiridonov. Here was my favorite article about it: http://phenomena.nationalgeographic.com/2015/06/12/surgeon-reveals-...
6
votes
4answers
697 views

Scientific Accuracy - alien communication ideas

(Disclaimer: I tried this question earlier in the scifi site as well as real science sites, and was told should be on topic here) I'm writing a speculative story about aliens coming to earth - and ...
4
votes
11answers
951 views

What is a believable reason to not have a super AI in a sci-fi universe? [closed]

Artificial Intelligence will continue to be improved until we reach the Singularity and spawn a self-improving artificial general intelligence (AGI). This will probably happen within 100 years, and be ...
2
votes
6answers
448 views

Melting the core [duplicate]

I have suggested that you could use antimatter to melt the core of Mars and restart the magnetic "dynamo", but it occurs to me that I never really considered exactly "how" you could do this. Melting ...
2
votes
5answers
919 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
votes
3answers
310 views

The most personal device in twenty years?

The development from the first transistor to the modern cell phone (July 2015) took about 70 years. In the 90's, people walked around everywhere talking in their cell phones and today people walk ...
-1
votes
4answers
199 views

Forced re-entry of all man-made satellites in short moment notice

Is it possible to manipulate all artificial satellites(including ISS) and space junks currently in orbit to fall into Earth's atmosphere in one go? (Tech level is late 22nd century science) Note: I ...
20
votes
13answers
4k views

What non-intuitive modern items would be useful in a medieval-ish world?

The world is similar to that in Prince of Thorns: namely, so far in the future that civilization has essentially reset, and is back to a medieval level of technology and culture. However, there are ...
-1
votes
3answers
184 views

In a City, Are Sewers and Garbage Heaps Usually Connected? [closed]

I am making a semi-apocalyptic world in the near future in which there is a main, thriving city, around which there are scavengers who dig through the garbage as well as hang around the open sewer ...
2
votes
3answers
851 views

How would a modern stealth suit be designed using the technologies available to mid XXI century civilization?

EDIT: Question timeframe changed from early XXI to mid-XXI century. Lets say 2040 decade-ish. You are the engineer in charge for the construction of the latest ...
4
votes
4answers
942 views

How would Death Star move between systems?

Similar to the Death Star(s) depicted in Star Wars universe, my question is how do such a massive body move from its orbit around its parent planet across the stellar system or galaxy into the enemy's ...
3
votes
3answers
2k views

What alternate course of technological advacement could realistically have occured? [closed]

Imagine you're writing an alternate history or parallel universe set at present day or possible sometime a little before present day. Being an alternate history technology and society would have ...
4
votes
5answers
778 views

Alien exploration : drone digging earth crust

I was thinking of potential planet explorations, by extremely advanced alien species, through automated drones (or "flying laboratories") scanning and analyzing the planets. (By "extremely advanced", ...
0
votes
2answers
218 views

Dissipate blizzard?

Is it possible to dissipate a blizzard with a chemical component? Or maybe with a special machine? There are no limits here except that the technology is gunpowder-renaissance-Napoleonic technology. ...
0
votes
2answers
140 views

Build a renaissance flying boat? [closed]

What would be necessary for a boat to fly with renaissance technology? Resources are unlimited! But this has to be science based. I imagine a steam engine + balloon hybrid or something. Any ideas?
2
votes
7answers
244 views

Which Gun For Improvised Defense Of a Machine Shop? [closed]

My characters have a base in near-future Ethiopia. A powerful AI has some of "her" computers there, but the focus is on the people and their attempts to build infrastructure. They've got a machine ...
26
votes
7answers
4k views

How could a simple submarine be built using 100 BC technology?

I have some ideas, but I'd like my fictional Roman (100BC) General Mikey (ha) to build a submarine(s). This should be able to navigate in lakes and calm shores of the Mediterranean, succeed in ...
14
votes
7answers
336 views

How to navigate without magnetism?

Suppose a team of explorers touched down on an Earth-like planet which do not generate its own magnetic field and there are always a thick layer of cloud covering the sky at all time. My question is ...
5
votes
3answers
767 views

Camouflaging a mech

With modern technology, targeting equipment has become very good in its ability to pick out a target and lock onto it, thereby reducing the viability of traditional camouflage. In a world of mechs, ...
3
votes
4answers
584 views

Achieving orbit in Medival age

Can people living in the Medieval age put anything into orbit? if this question is too difficult then what about setting altitude records with man-made object in the stratosphere?
12
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3answers
2k views

Live-fire mech sports

In this world, mechs (think MechWarrior) have been developed and have become formidable fighting machines. They are capable of dominating the battlefield and can carry multiple heavy weapons into war. ...