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13.1k posts
 
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Q&A Gas Giant with solid surface

I have the feeling the answer to this will come down to ''impossible'' but let's ask anyway to be sure. We know gas Giants have no solid surface and if you tried to land on one you would fall int...

3 answers  ·  posted 5y ago by Blue Devil‭  ·  last activity 5y ago by Blue Devil‭

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Q&A What is the largest dragon that could take off without destroying the planet?

Inspired by this answer: Suppose there is an enormous dragon sleeping underground (let's not worry about the biomechanics of how such a creature could exist). One day, it wakes up, shakes the eart...

1 answer  ·  posted 5y ago by Tam Coton‭  ·  last activity 5y ago by Tam Coton‭

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Q&A The plausibility of a pack-hunting carrion-eating snake

I was thinking of a hypothetical species of snakes that join together for protection called Ladôni, due to their habit of mobilising in massive beds which make them resemble a large multi-headed s...

3 answers  ·  posted 5y ago by Arbiter Elegante‭  ·  last activity 5y ago by Arbiter Elegante‭

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Q&A Effects of multiple moons on a planet

Judging by our own planet we know what the effects of a moon on a terrestrial planet are. We also know that if a planet has two moons on the same side you would get insane tides and that two moons...

1 answer  ·  posted 5y ago by Blue Devil‭  ·  last activity 5y ago by Blue Devil‭

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Q&A Can a creature sustain itself by eating its own severed body parts?

I was inspired by geckos which can sever their own tails. I wonder if a creature which has such an ability, especially with a high regenerative power to grow its body parts, can sustain itself ove...

12 answers  ·  posted 5y ago by Li Jun‭  ·  last activity 5y ago by Li Jun‭

Question biology fauna food
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Q&A Can a person who gained immunity to a disease become an infectious carrier?

If a person is sent out of their hermetically sealed community and in the process becomes immune to a deadly disease. When the person returns will the immunity make them a carrier and infect/kill a...

1 answer  ·  posted 5y ago by Cherry‭  ·  last activity 5y ago by Cherry‭

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Q&A Which modern firearm should a time traveler bring to be easily reproducible for a historic civilization?

Eureka! Our hero just discovered the secret of time travel, but what to do with it? "I know!", he says. "I will travel back in time as far as I can and hand them a modern firearm. They will learn h...

12 answers  ·  posted 5y ago by MechMK1‭  ·  last activity 5y ago by MechMK1‭

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Q&A Is it possible for theoretical particles such as tachyons to interact and/or bond with normal matter

I understand that particles such as tachyons don't really exist and are unlikely, but say for the sake of this question they do. Would these particles bond or interact with atoms? By interactions I...

2 answers  ·  posted 5y ago by Jefferey Dawson‭  ·  last activity 5y ago by Jefferey Dawson‭

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Q&A Escaping a blackhole with an Alcubierre drive?

If your ship just got trapped inside the event horizon of an super massive black hole, could the ship "accelerate" back out with an alcubierre drive?

2 answers  ·  posted 5y ago by sirzento‭  ·  last activity 5y ago by sirzento‭

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Q&A Is surviving this (blood loss) scenario possible?

So my character (16 yr old girl) got a deep cut (inches across) from a dagger across her torso and is knocked unconscious. (She falls onto her back) She had just enough time to contact her friends ...

4 answers  ·  posted 5y ago by Kieran‭  ·  last activity 4y ago by Kieran‭

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Q&A If Earth Were a Gas Giant's Moon

Here is what we know of Earth: Mass: 5.972 sextillion metric tons Diameter: 7,917.5 miles Density: 5.51 grams per cubic centimeter Rotation: 24 hours Revolution: 365 days Core: 760 miles wi...

2 answers  ·  posted 5y ago by JohnWDailey‭  ·  last activity 5y ago by JohnWDailey‭

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Q&A In Search of a Super-Bright, Super-Stable Star

Long ago, I asked a question on how to make possible turning the nine realms of Norse mythology--Midgard, Asgard, Vanaheimr, Jotunheimr, Alfheimr, Hel, Nidavellir, Niflheim and Museplheim--into nin...

3 answers  ·  posted 5y ago by JohnWDailey‭  ·  last activity 5y ago by JohnWDailey‭

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Q&A ''Habitable'' planet close to a star

Imagine if you will a star comparable with our sun and a planet like earth orbiting at roughly the same distance around this star as our earth around the sun. Would it be possible to place a plan...

5 answers  ·  posted 5y ago by Blue Devil‭  ·  last activity 5y ago by Blue Devil‭

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Q&A Increasing muscle power without increasing volume

Some of you may know my mutant thread, and guess what? It's back. I'm wondering if there is any biological means to improve muscular power without greatly increasing the volume of said muscle. My...

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

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Q&A Forming a dust ring around asteroid Ceres

Is it possible, due to asteroid mining activities, for a space-fairing civilization to produce a dust ring around a very large asteroid (Ceres)? In my world, there is a lot of ore processing being...

1 answer  ·  posted 5y ago by Innovine‭  ·  last activity 5y ago by Innovine‭

Question planetary-rings
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Q&A Aerosol CRISPR Agent?

I will keep this short: I am writing a story about a Society with lots of Superheroes, and I want them to discover that they have powers after inhaling some sort of chemical. I want this to be pre...

5 answers  ·  posted 5y ago by Jwrecker‭  ·  last activity 5y ago by Jwrecker‭

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Q&A Where to place an artificial gland in the human body?

An artificial endocrine gland is cultured in the lab and is to be inserted in a person. This gland functions by secreting special substances in the blood stream. It needs to be placed in a positi...

8 answers  ·  posted 5y ago by SilverCookies‭  ·  last activity 5y ago by SilverCookies‭

Question medicine anatomy
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Q&A Keeping an "hot eyeball planet" wet

Consider such a tidally locked planet: Many issues with tidally locked worlds have been discussed, but I'm not clear on how the water cycle for an otherwise Earth-like tidally locked world, woul...

9 answers  ·  posted 5y ago by aadv‭  ·  last activity 5y ago by aadv‭

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Q&A Conditions of a more ideal version of earth

What would be the specific conditions required for a planet to be a more ideal version of Earth? I want the world to have a much larger proportion of land covered by lush jungle and forest ecosys...

1 answer  ·  posted 5y ago by rendered_mercurius‭  ·  last activity 5y ago by rendered_mercurius‭

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Q&A Blood for hydrogen breathers

Some follow-up thoughts on this question... Hydrogen isn't very soluble in water. Oxygen is more so, but still sufficiently insoluble that most oxygen-breathing Earth creatures use special oxygen ...

3 answers  ·  posted 5y ago by Logan R. Kearsley‭  ·  last activity 5y ago by Logan R. Kearsley‭

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Q&A What's the minimal space/mass required to feed a human indefinitely with advanced technology?

I know there are similar questions on here already, yet this is different because I don't care about traditional farming in this question. Environment This meant for food production on interplane...

1 answer  ·  posted 5y ago by TheDyingOfLight‭  ·  last activity 5y ago by TheDyingOfLight‭

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Q&A How can you eliminate dreaming without affecting REM sleep?

The Dreamlands are a vast, alternate dimension that can only be entered via dreams. They are divided up into several sections, all of which are inhabited by monsters who serve the idiot elder god A...

2 answers  ·  posted 5y ago by Incognito‭  ·  last activity 5y ago by Incognito‭

Question society humans
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Q&A What would be the side effects on the life of a person becoming indestructible?

I have a rather odd setting where one of my characters gets cursed/blessed with indestructibility, more specifically all of her cells have stopped degenerating and dividing and they all are now imm...

9 answers  ·  posted 5y ago by TobyB‭  ·  last activity 5y ago by TobyB‭

Question biology
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Q&A What effects would a massive amount of water vapor in the atmosphere have on an alien planet

I am an aspiring science-fiction novelist. I am experimenting with a world I'm trying to create and I wanted a couple of expert opinions on Atmospheric composition; 53% Nitrogen 27% Oxygen 3% Xen...

1 answer  ·  posted 5y ago by Jacob Badger‭  ·  last activity 5y ago by Jacob Badger‭

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Q&A How can the artificial womb be made affordable for the common people?

The artificial womb has become a reality, freeing many women from the 9 month burden of carrying a child. Unfortunately, it was not the liberating game changer that feminists hoped it would be. The...

12 answers  ·  posted 5y ago by Incognito‭  ·  last activity 5y ago by Incognito‭