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Q&A Lizard-like creatures "swimming" through the sand?

I have been designing a whole solar system for my story, and I am finally able to come down to creatures on the planets. I have already asked a question about one of the planets, Veynerth, so there...

3 answers  ·  posted 6y ago by Alyssa S.‭  ·  last activity 6y ago by Alyssa S.‭

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Q&A Scavenging metal resources in post-apocalypse after 100 years

This is another question for a setting I mentioned in previous questions (currency, ammo). The setting is: It's happening in post-apocalyptic SE Europe (Balkans specifically), about 60-80 years fr...

1 answer  ·  posted 6y ago by Bora‭  ·  last activity 6y ago by Bora‭

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Q&A Self-sealing spaceship

I am writing a Sci-Fi story that involves space ships shooting each other, as is the custom. I'm using a lot of handwavium, e.g. reactionless drives, FTL, gravity plating, etc., but I'd like the ac...

4 answers  ·  posted 6y ago by Morfildur‭  ·  last activity 6y ago by Morfildur‭

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Q&A What cosmological/biological event could cause most if not all humans to go nocturnal?

I'd like to keep this as science based as possible. I'm not even sure if this sort of question fits this exchange. Is there a possible world wide affect that when triggered (by human/cosmological i...

3 answers  ·  posted 6y ago by User3.14159265‭  ·  last activity 6y ago by User3.14159265‭

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Q&A Could a star half as hot as our sun maintain similar surface temperatures of planets orbiting it if it was half the distance?

I'm trying to build a world that is orbiting a red giant but sustains life similarly to the conditions of earth.Since red giants are about half the temperature (3000 kelvin) of our sun (6000 kelvin...

1 answer  ·  posted 6y ago by Lutro‭  ·  last activity 6y ago by Lutro‭

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Q&A Humans surviving on surface without Sun

Is it possible for humans to survive on the surface of the Earth, assuming the Sun was, for some reason, not emitting any light/heat/other radiation? Would whether the Sun was actually present affe...

2 answers  ·  posted 6y ago by Adrian Zhang‭  ·  last activity 4y ago by Adrian Zhang‭

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Q&A Star system that isn't the Sun: words for "sunlight"

Language revolving around the Sun would probably not be used on a planet with a different star, right? For example, if a planet was orbiting Sirius, "siriuslight" or "siriusburn" seems a tad clunky...

4 answers  ·  posted 6y ago by Ryneth‭  ·  last activity 6y ago by Ryneth‭

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Q&A Non-Iron Skyscraper Framing

I'll confess that I have a real issue with iron--it rusts quickly. In fact, the History Channel program Life After People constantly states that, left to its own devices, the iron that makes up a ...

3 answers  ·  posted 6y ago by JohnWDailey‭  ·  last activity 6y ago by JohnWDailey‭

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Q&A How to differentiate between elves and men

So in most fantasies elves and men are very similar in their physical appearance to where they look mostly the same, the only way they tend to be physically differentiated is by their ears and clea...

8 answers  ·  posted 6y ago by skout‭  ·  last activity 6y ago by skout‭

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Q&A Does my idea of FTL make any sense?

In my universe, there exist molecular level machines that can behave as a single entity. The humans use them for many purposes, including faster than light travel. The concept is as it follows: T...

5 answers  ·  posted 6y ago by Mattias Constantin‭  ·  last activity 6y ago by Mattias Constantin‭

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Q&A Is it feasible for a Dune-style sand worm to have silica scales?

This question (and the links I found for my answer) Can a "dune" worm actually swim in sand? got me thinking about how a sandworm might reduce friction while "swimming." One idea I hit on would b...

1 answer  ·  posted 6y ago by KernelOfChaos‭  ·  last activity 6y ago by KernelOfChaos‭

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Q&A What would be the psychological differences between a human and an intelligent detrivore?

I am still working on my intelligent detrivore alien species and so far I have gotten some great help from you guys. But after searching online a lot about detrivore psychology I still cannot find ...

8 answers  ·  posted 6y ago by Amoeba‭  ·  last activity 6y ago by Amoeba‭

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Q&A Living biological boats? (Jasconius)

There's this creature that swims over the surface of water and it's giant, almost the size of a whale and has thick scales as armor over its back. This creature almost never dives underwater so fro...

8 answers  ·  posted 6y ago by Ekaen‭  ·  last activity 6y ago by Ekaen‭

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Q&A How to design a hyper-coffee plant

How much caffeine could you fit into a roasted coffee bean (that will later be ground and steeped) while still having a strong coffee flavor? I'm aiming for a super-caffeine boost -- something whe...

6 answers  ·  posted 6y ago by FoxElemental‭  ·  last activity 6y ago by FoxElemental‭

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Q&A How many seconds would it take for my 20,000 ton kaiju to come to a complete stop from 15 or 30 mph?

I have a bipedal kaiju-style monster that walks upright on two legs and weighs 20,000 metric tons. Supposing, of course, that it can carry its own weight, its muscles can support the stress, and th...

2 answers  ·  posted 6y ago by Joseph Rouleau‭  ·  last activity 6y ago by Joseph Rouleau‭

Question physics kaiju
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Q&A Coastal Mountain Ranges--In Which the Mountains are the Coast

One of the ways to create a major mountain range is a process called subduction. Here, heavy oceanic rock sinks beneath the lighter continental rock. The result--coastal mountain ranges like th...

3 answers  ·  posted 6y ago by JohnWDailey‭  ·  last activity 6y ago by JohnWDailey‭

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Q&A Microgravity BBQ setup

The development of microgravity cuisine is an interesting topic, especially when it comes to transferring simple processes like the successful thermochemical processing of muscle tissues (e.g. barb...

5 answers  ·  posted 6y ago by MedwedianPresident‭  ·  last activity 6y ago by MedwedianPresident‭

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Q&A Would it be possible to farm the energy from pulsars?

From what I can tell, pulsars emit light in beams from the poles of the pulsar. Would it be possible to construct something to get energy from a pulsar's beams of radiation? Or is this as idiotic o...

1 answer  ·  posted 6y ago by Sievert‭  ·  last activity 6y ago by Sievert‭

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Q&A Egg Geometry--Shape of Eggs in Oviparous Humanoids

What shape would the eggs of a species of oviparous humanoids be? Eggs are common enough that you'd be hard-pressed to find someone who hasn't seen one. While birds' eggs are often thought of more...

3 answers  ·  posted 6y ago by Pleiades‭  ·  last activity 6y ago by Pleiades‭

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Q&A How could it be possible for an entire region of space to be filled with Earth like planets?

Ok, I get it, me dumb, you smart. Only smart questions allowed. In any case I'm going to leave the question unaltered in case some others might get something out of the answers. Thanks to everyon...

6 answers  ·  posted 6y ago by Len‭  ·  last activity 6y ago by Len‭

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Q&A Is there any material today that could withstand the impact of a baseball at 0.05c?

I would like to better understand intragalactic ship design (aka, "spaceships"). It's travelling at a barely tolerable 0.05c (86 years to Alpha Centauri). It happens to impact with a baseball (14...

10 answers  ·  posted 6y ago by JBH‭  ·  last activity 6y ago by JBH‭

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Q&A Would there be gravity on the plates of a Dyson swarm?

I've heard several schools of thought. From a hard science standpoint, could there be gravity on the habitable surface of a Dyson Swarm plate? I keep thinking no. But if the outer shell were to b...

3 answers  ·  posted 6y ago by Richard‭  ·  last activity 6y ago by Richard‭

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Q&A Can moons counteract each other?

Would two moons of equal size and distance on opposite sides of a planet counteract each other's tidal pull?

3 answers  ·  posted 6y ago by Christopher Void‭  ·  last activity 6y ago by Christopher Void‭

Question planets moons
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Q&A Is depicting scenes of sub-FTL deep space travel with burning engines accurate?

I've seen many sci-fi scenes that feature a ship underway on a deep space journey. As the ship passes the vantage point we can see engines burning during sub-FTL speeds (The Expanse most recently)....

5 answers  ·  posted 6y ago by Fuser‭  ·  last activity 6y ago by Fuser‭

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Q&A Everything alive in the world dies this instant. Without bacteria to decompose anything, what happens to the remains? What does this look like?

So when I say everything, I mean everything. Humans, animals, plants, fungi, bacteria, all dead. If the bacteria and other detritovores and decomposers can't decompose anything since they themselve...

11 answers  ·  posted 6y ago by Sydney Sleeper‭  ·  last activity 6y ago by Sydney Sleeper‭