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13.1k posts
 
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Q&A Energy manipulating superhero -- how would it work

I want to make a superhero that can control all forms of energy. From what I've heard you can do a lot like, manipulate time and space, open blackholes, teleport, shape shift, and manipulate matter...

4 answers  ·  posted 10y ago by Aaron Tuturro‭  ·  last activity 5y ago by Aaron Tuturro‭

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Q&A How would lack of sunlight affect a human population?

Other than photosynthesis being an issue, if the Earth's surface became inhospitable and humans were forced to live underground, what biological changes would they be expected to go through to adap...

7 answers  ·  posted 10y ago by James Hunt‭  ·  last activity 6y ago by James Hunt‭

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Q&A Locations for space centres

The basic question is: When is a location good enough to build a space centre on it? Some info to the function of the space-centre: The space centre has a lot of traffic, also humans. I imagine...

4 answers  ·  posted 10y ago by J_F_B_M‭  ·  last activity 10y ago by J_F_B_M‭

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Q&A What's a plausible way for a three biological sexes setup to develop for a dominant intelligent species?

It's easy enough to figure out how a species might evolve a third biological gender in general (e.g. some sort of asexual drones/workers, ala insects). But what I want to build is a system where t...

7 answers  ·  posted 10y ago by DVK‭  ·  last activity 8y ago by DVK‭

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Q&A Power cable from earth to the moon?

Related Question : Can we 'beam' energy from the moon? I was wondering if instead of 'beam'ing energy from the moon, could it be possible to extend a power cable from the earth to the moon? If th...

8 answers  ·  posted 10y ago by aksh1t‭  ·  last activity 8y ago by aksh1t‭

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Q&A Is the Alcubierre Drive relatively free from relativistic collisions?

Related to the this question about not going SPLAT. That one was for conventional travel through space at high speeds. Now I want to know about how things would work with an Alcubierre drive. I...

1 answer  ·  posted 10y ago by bowlturner‭  ·  last activity 10y ago by bowlturner‭

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Q&A Solar flares: "the week the earth stood still"

I've been hearing and reading about that solar flare in 2012 that could have sent us back to the 18th century, by causing huge geomagnetic storms which would have prevented (every?) electricity-bas...

5 answers  ·  posted 10y ago by eyam‭  ·  last activity 9y ago by eyam‭

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Q&A How much power can you send via a laser through the atmosphere without catastrophic effects?

Assuming that you had: some sort of amazing power plant on the moon that can create an unlimited amount of power a similarly amazing solar panel on earth that can receive an unlimited amount of p...

2 answers  ·  posted 10y ago by user2813274‭  ·  last activity 6y ago by user2813274‭

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Q&A Harnessing the Moon's kinetic energy

Instead of trying to tether the Moon, can we somehow harness the Moon's kinetic energy, the same way we do wind? If so, how is this possible?

2 answers  ·  posted 10y ago by MDMoore313‭  ·  last activity 10y ago by MDMoore313‭

Question moons energy
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Q&A Building a (solid) ring around the earth

Could you build a ring around the earth, so that it would just sit in the sky? I'm not talking a geostationary orbit of rubble like the rings around Saturn, but a solid structure just high enough t...

5 answers  ·  posted 10y ago by stib‭  ·  last activity 5y ago by stib‭

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Q&A Disease treatable by zero-G

Background story: In near future (max 10 years from now) mega-rich person suffers yet unknown disease. He obviously employs every doctor possible and spends loads from his fortune on researching, w...

4 answers  ·  posted 10y ago by Pavel Janicek‭  ·  last activity 7y ago by Pavel Janicek‭

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Q&A How would human society develop if humans had gills?

Imagine a species (the cause is largely irrelevant - could be alien meddling for all I know) that is Homo sapiens in all except one detail: they have additional organ which is kind of like gills - ...

4 answers  ·  posted 10y ago by DVK‭  ·  last activity 7y ago by DVK‭

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Q&A A species developing writing but not (yet) speech

I am not a writer. I have never written any story and I have no idea of what it takes to get this idea into any meaningful narrative. It's more of a thought experiment for me and I formally give th...

5 answers  ·  posted 10y ago by Michael Sacchi‭  ·  last activity 10y ago by Michael Sacchi‭

Question evolution language
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Q&A How far can a time traveller go into the past before his electrical equipment becomes unchargeable?

My time traveller has a maybe 20-minutes-into-the-future smartphone and laptop. They can store large amounts of data, on the Petabytes level or higher. The time traveller can effectively store the ...

7 answers  ·  posted 10y ago by Eric‭  ·  last activity 6y ago by Eric‭

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Q&A Are portals possible?

In a video game series called Portal, we are given a gun, which shoots two portals: an orange one and a blue one. These portals have the following properties: Anything that goes into the orange ...

7 answers  ·  posted 10y ago by alexqwx‭  ·  last activity 5y ago by alexqwx‭

Question teleportation
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Q&A Making the First contact

Visiting the Worldbuilding site plays with my creativity and imagination. So I am going to describe the dream I had: I am member of a different (alien) culture, from a different star system. Also,...

3 answers  ·  posted 10y ago by Pavel Janicek‭  ·  last activity 10y ago by Pavel Janicek‭

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Q&A In 'portal', pushing interconnected portals on thin portal sized rectangles of material through each other?

A question about portals from the 'portal' games. In the games, pairs of flat, identically sized and shaped, effectively for simplicity rectangular, portals, that lay flat on surfaces, link two pl...

2 answers  ·  posted 10y ago by alan2here‭  ·  last activity 10y ago by alan2here‭

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Q&A Burrowing/tunnelling creatures on earth with intricate underground organisation/society?

What underground, for example burrowing or tunnelling creatures on earth, have underground organisation/societies, that are intricate enough for interesting narrative features, for example friendsh...

2 answers  ·  posted 10y ago by alan2here‭  ·  last activity 10y ago by alan2here‭

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Q&A How long would it take to terraform a lifeless but somewhat earthlike planet using bacteria, fungus, seeds and eggs?

What are realistic time-schedule expectations for far-future terraforming and developing earth-like plant and animal/fish/bird populations on distant planets, by means of robotic space probes with ...

5 answers  ·  posted 10y ago by Dronz‭  ·  last activity 6y ago by Dronz‭

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Q&A What happens to air pressure if the ice caps completely melt?

Apologies; it just didn't seem like an appropriate question for Earth Science or Biology. Let me know if I'm incorrect. Maybe Physics? If all the ice, permafrost, ice caps, etc. melted due to glo...

2 answers  ·  posted 10y ago by Mikey‭  ·  last activity 10y ago by Mikey‭

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Q&A Restoring the world after a global apocalypse

So the world has been destroyed. Pick your poison. We have probably 300 different scenarios lying around here somewhere. What's Left: The world is a desolate wasteland, dry and crispy and barr...

11 answers  ·  posted 10y ago by James‭  ·  last activity 6y ago by James‭

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Q&A Can a gas giant have its own habitable zone?

Gas giants can generate heat via the Kelvin-Helmholtz mechanism. It's oft-repeated that Jupiter actually generates more heat internally via this method than it receives from the Sun. Scale this mec...

4 answers  ·  posted 10y ago by Leushenko‭  ·  last activity 5y ago by Leushenko‭

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Q&A Is this 80.000km-diameter world plausible?

Characteristics: has close to 80.000km in diameter The atmosphere is composed of: -30% hydrogen (cold gas planets have hydrogen but it makes sense it exists in a rocky planet?) -20% oxygen -...

4 answers  ·  posted 10y ago by ballah‭  ·  last activity 9y ago by ballah‭

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Q&A Possibilities with a force-manipulating device

What if, sometime in the next say 600 years, humanity develops a device capable of manipulating the four fundamental forces in the area around it. (For example, a handheld device could work in a ra...

3 answers  ·  posted 10y ago by AlphaModder‭  ·  last activity 10y ago by AlphaModder‭

Question physics
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Q&A Breathe in space, with or without a suit?

I've been wracking my brain about a world I'm writing in, how to make some group of regular people able to survive in space for extended periods with or without a suit. I can reduce the amount of t...

9 answers  ·  posted 10y ago by C Bauer‭  ·  last activity 6y ago by C Bauer‭