Questions tagged [kardashev-scale]

For questions about or related to the Kardashev scale of technological development.

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What percentage of the Sun's energy can you capture with a Dyson swarm?

My secret society is planning to advance humanity as much as possible and they have decided the best way is to build a Dyson swarm. Still, they don't know how much power from the Sun they would be ...
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3 votes
1 answer
100 views

Hypothetical energy sources for a picotech utility fog civilzation?

Imagine an (ultra) high-tech civilization that has access to, say 1031 bits of unique usable data (Type Z on Sagan's "Information Mastery" scale), and is capable of harnessing and utilizing ...
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1 vote
0 answers
98 views

How Would Human Society's Outlook Change if an Alien Type III Civilization Had Been Discovered? [closed]

The Kardashev scale divides civilizations into four types (0-3) based on energy consumption. No type II civilization has been discovered in our galaxy and no type III civilization has been detected in ...
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27 votes
12 answers
3k views

Deflecting an incoming star, railgun style

A friend of mine, ɹɐqooɟ, lives in a large globular cluster where stellar encounters and collisions are very common. His civilization is a Type 1.8 civilization, having built half of a Dyson Sphere ...
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6 votes
2 answers
2k views

Can my advanced civilization halt the expansion of the universe?

Do the laws of physics permit any chance for a Type III civilization on the Kardashev scale to halt or even reverse the expansion of the universe, or bring the galaxies back closer together, assuming ...
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2 votes
3 answers
180 views

What is the most efficient way of mining energy from a flare star?

Set in the distant future, human is transitioning to a type 3 advanced civilization on a Kardashev scale in about a hundred years or two. We have nearly exhausted the energy from our Sun and several ...
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1 vote
3 answers
119 views

How much energy is produced by a sphere of mirrors around a rotating black hole? How would it impact a civilisation in the Kardashev scale?

So, as a bit of background, my world takes the assumption that Planet Nine is a rotating primordial black hole, and humanity, a Type I civilisation, is able to build a sphere of mirrors around it (...
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3 votes
3 answers
4k views

What could exist inside and between the walls of a Dyson Sphere?

According to FutureTimeline.net, A Dyson sphere could be built around the solar system around the year 3100 when the world reach the Kardashev type 2 scale. This is what is written there about the ...
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2 votes
2 answers
244 views

How would a Type I civilization habitable planet be any different to a Type II civilization habitable planet?

This question is a different version of other questions that I have found here discussing a similar but different problem. The problem I'm facing here is about the excess or waste heat that an ...
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6 votes
11 answers
631 views

What type of natural or artificial disaster could devastate a multi galactic civilization?

There is an advanced civilization that spans multiple galaxies. The civilization has learned to tap every available source of energy within the volume that it has colonized. The civilization ...
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15 votes
5 answers
3k views

How can I make a black dwarf star?

In response to a question about an asteroid filled with degenerate matter, Ender Look suggested that using matter from a black dwarf would be better than using matter from a white dwarf since black ...
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0 votes
2 answers
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Economy of a Type II Civilization [closed]

How exactly would a Type II civilization, according to the Kardashev scale, have to structure its economy in order to be a viable system? For more information on the Kardashev scale and a Type II ...
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1 vote
2 answers
399 views

Society, Economy & Government of a Type II Civilization [closed]

How exactly would a Type II civilization, according to the Kardashev scale, have to structure its economy, governing body and society in order to be a viable system? For more information on the ...
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2 votes
5 answers
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Logical reasons for Forgoing a Dyson Swarm

In my Universe, the Colonization efforts and collapse of Earth leads to the rise of organic populations, nations, and cultures all across the Solar-System. Every planet and moon with hydro-static ...
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2 votes
1 answer
892 views

What is the energy requirement needed to make a Visser wormhole and what kind of civilisation on the Kardashev Scale could do this?

So, after discussing how to make a wormhole in chat (after I started with how long Earth could last in the middle of an invasion of Earth in the mid 1970s - early 1980s), I was curious: How much ...
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-1 votes
2 answers
259 views

What inventions/technology would we have to create to achieve a Type I status on the Kardashev scale?

Hope this isn't too broad. I tried to make it as easy to understand as possible. A list of these technologies would be great
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3 votes
2 answers
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powersource with managably sized wormholes

Let's assume that I managed to create a wormhole, only problem is,that I have to observe it with microscopes (it's so small), but I can keep it open. Also, I have a dyson sphere. I want the power from ...
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-3 votes
3 answers
360 views

Powersource untill heatdeath [closed]

So I was recently working on my story's fluff (lore), however, there's a problem with the science part. The D-Engine, a nigh unlimited "source of energy". Additional information: The D-Engine is ...
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6 votes
3 answers
298 views

an artificial fission star

A K2+ civilization wants to build a fission star, a huge mass of fissile material which doesn't collapse due to the radiation emitted by its fission decay. I know there are reactors like the aqueous ...
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5 votes
1 answer
299 views

Is it possible for type II civ to resuscitate dying star?

I suppose there is sufficient time for us to achieve type 2 civ status on the Kardashev scale, that means we cannibalise the Sun! Joke aside would such a civilization level be sufficient to revert a ...
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40 votes
6 answers
10k views

War between two type III civilizations from the perspective of a type II civilization

In my setting we have two Kardashev type III civilizations who have been at war a long time and their war has now shifted into our neighborhood. These civilizations are until now unaware of human ...
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8 votes
2 answers
911 views

Could a civilization engineer supernovae?

The Eternal Emperor wants to throw a party the likes of which the galaxy has never seen. The billionth anniversary of his reign is fast approaching (a mere hundred thousand years away!). He has ...
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6 votes
10 answers
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What is the least impactful thing that could be done to wipe mankind , but allow the survival of other animal life?

A group of biosphere conservation activists from a type three civilization come across the earth. Using their technology and observations, they see that throughout human history , humans have ...
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2 votes
1 answer
170 views

Is the relationship between technological development and energy consumption one of correlation or causation?

According to the Kardashev Scale, a civilization's ever increasing energy consumption causes advances in technology. However, in various works of science fiction, I have found many examples of small ...
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4 votes
4 answers
618 views

How does an advanced civilization *hasten* the heat death of the universe?

Other questions concern what to do to prevent or live through or slow the eventual heat death of the universe. This civilization is different: they want to bring it on, and they can't wait! This has ...
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0 votes
1 answer
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What's the lowest Type on the Kardashev Scale a civilisation could be for us to take it for God? [closed]

If a Type IV or V civilisation intervened on Earth, we would certainly believe it was nature at work, unless they decided to reveal themselves. Well, then, think they're literally divine entities. ...
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6 votes
5 answers
589 views

What physical constraints should a near omnipotent civilization consider when simulating a Universe?

Background The Foo are a universe spanning civilization ranking near IV on the Kardashev scale. As explained in this question, they have decided to devote their vast resources towards the ...
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64 votes
13 answers
9k views

What sort of problem would drive a near omnipotent civilization to seek an "outside the box" solution?

The Setup A while back, I read an article in which the author compared the rise and fall of civilizations in the universe to a forest. In the forest, small plants come into being, grow, and die over ...
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6 votes
3 answers
902 views

Celestial arrangement for the Cube World

An earlier question here concerning a cube-shaped planet got me thinking. Suppose an artificial world-sized engineering project as described in this answer The K-II civilization that built it ...
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6 votes
6 answers
496 views

What are some likely ways a type-I civilization would keep track of time; and, from what point of beginning?

For an intelligent species of life to attain so advanced a level of technological development and operation as to be considered a type-I civilization, in a number of evolutionary scenarios they'd ...
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2 votes
3 answers
323 views

Type 2 civilization orbiting twin yellow hypergiants system possible?

Imagine a world so brilliant and yet unthinkable - a habitable Earth-like planet infested with intelligent life attempting to erect a flexible Dyson sphere enveloping two yellow hypergiants. I know ...
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6 votes
5 answers
2k views

What problems would an semi-immortal alien race run into?

I am writing a story with an immortal race of aliens with psychic powers. Their minds are separate from their bodies and located in a pocket dimension inaccessible to ordinary matter. Their bodies are ...
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15 votes
7 answers
5k views

How can we extinguish a supernova?

Assuming in a galaxy far far away there is a Type 2 civilization (currently on the verge of making the transition to Type 3). Their scientists predicted that the star (red giant) they are orbiting is ...
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4 votes
4 answers
483 views

To dwarf all inhabitatable objects

Scenario This is set in the future; humans already achieved Type II civilization status. Humans conquered the entire Solar System and managed to colonize Jupiter and all its moons. The next big ...
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15 votes
4 answers
2k views

Entry requirements for a Type n civilization

This question about genetics (not required reading) contains the phrase "science of a Type II civilization." This got me to thinking: although we intuitively know what this means, does this actually ...
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13 votes
2 answers
884 views

How can a Type II civilization influence accretion rates from a debris disk to a passing star?

This is supposed to be a test of the hard-science tag. All answers to this question should be backed up by equations, empirical evidence, scientific papers, other citations, etc. Speculative or ...
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8 votes
7 answers
1k views

How could a civilization trigger star formation?

I'm going for the ultimate in world building here: Creating a whole new star. I have a race that's about a Type II civilization (as per the Kardashev scale). The important thing here is that they're ...
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12 votes
5 answers
2k views

How to get across the galaxy moving slower than light - in a single lifetime?

All the recent talk on Worldbuilding about the vast energies available to higher-level Kardashev civilizations, the need for 50,000 year message-systems, and so on, got me thinking. With enough energy,...
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21 votes
14 answers
11k views

Would a Type 2 Kardashev Civilization really build a Dyson Sphere around their own sun?

We are currently estimated to be about 0.7 on the Kardashev Scale. I am interested in the second level of the Kardashev Scale: Type II "A civilization capable of harnessing the energy radiated ...
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18 votes
4 answers
2k views

Does the Kardashev scale have points below zero?

There's a Kardashev scale in which Earth civilisation is at 0 (the lowest) level with all following levels being purely hypothetical and describing civilisations more advanced than human. Is there ...
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