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Q&A

Posts tagged engineering

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Q&A Discussion of Aerogel Orbital Rings [closed]

Orbital rings are a proposed megastructure intended to dramatically reduce the cost to enter or exit a planetary gravity well. The ring is a solid structure, belting around the planet like a hula h...

0 answers  ·  posted 3mo ago by James McLellan‭  ·  closed 3mo ago by Canina‭

Question engineering phsyics
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Q&A How to survive and become self-sufficient in the nature?

Brad and his family are tired of society and the concept of money. They want to live a primitive lifestyle. They need a strong, comfortable and cheap refuge that will protect them from the elements...

3 answers  ·  posted 6y ago by Seraph Myrmidon‭  ·  last activity 2y ago by Canina‭

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Q&A Detection systems and trigger mechanism in a pre-electronic world?

I am building a setting that is essentially steampunk,being exact it would be pneumatic punk. What electronics and electronic equivalent exists, are primitive and extremely expensive. Thus the majo...

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

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Q&A What would encourage multiple animal species to evolve human features simultaneously?

The setting is fifty-five million years in the future on Earth, with multiple humanoid species that have different ancestors, but share similar characteristics. Their ancestors would be animals tha...

8 answers  ·  posted 2y ago by Lizardsaurus‭  ·  last activity 2y ago by Lizardsaurus‭

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Q&A Could we build a roof over the Grand Canyon?

(or some other Lesser Canyon) I'm playing with story ideas for a videogame that takes place in the post-post-apocalyptic US. Everything is overrun with monsters and ocean horrors and whatnot, you'...

2 answers  ·  posted 2y ago by Appleguysnake‭  ·  last activity 2y ago by Appleguysnake‭

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Q&A Ending "Natural" Reproduction

Quick Overview Here's the situation: your species, under directive of your friendly world government, has been informed that all "natural" (aka reproducing like your normally would and having a ch...

6 answers  ·  posted 2y ago by Millennium‭  ·  last activity 2y ago by Millennium‭

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Q&A Artificial oxygen oasis in an otherwise CO2 atmosphere

I wonder if it is possible to install artificial equipment that would exhaust oxygen into air in otherwise CO2 atmosphere so that locally people could breath in open air without any kind of tent or...

3 answers  ·  posted 2y ago by Anixx‭  ·  last activity 2y ago by Anixx‭

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Q&A How can I make the supporting pillars of an underground city less obstructive?

Node is the last active city of the lizard people. Node was built to be a self-sufficient city and a nexus of an interconnected bunker system. It was a vanity project from the peak of the lizard em...

22 answers  ·  posted 3y ago by Mephistopheles‭  ·  last activity 3y ago by Mephistopheles‭

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Q&A How could a ballistic mask provide full protection without compromising the wearer's singing voice?

So, I'm having trouble with one of my character designs. Guardian angels are former humans who died in such dumb ways that Heaven simply couldn't let them in, not before they proved they can preve...

1 answer  ·  posted 3y ago by Mephistopheles‭  ·  last activity 3y ago by Mephistopheles‭

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Q&A Powertrain for mid-19th century mecha

I'm writing a steampunk/weird west story set in 1867 and I want to incorporate some form of armored battle "walkers" (aka mechs). Looking for ideas for powertrains that could conceivably run such a...

7 answers  ·  posted 3y ago by Ryan Williamson‭  ·  last activity 3y ago by Ryan Williamson‭

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Q&A What would happen if a black person used genetic modification to turn off the MC1R gene?

The MC1R gene turns pheomelanin into eumelanins but there are another kind of pehomelanin called pheochromes. So if a brunette or black person used a cosmetic gene therapy to turn off this gene how...

2 answers  ·  posted 3y ago by Sabrine Crystal Santos‭  ·  last activity 3y ago by Sabrine Crystal Santos‭

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Q&A Mechanics and structure for an artificial giant creature?

I originally wanted to create giant land biological life-forms but the square cube law is limiting me to sauropod body sized creatures so another element of my story is artificially enhanced biolog...

1 answer  ·  posted 3y ago by RandySavage‭  ·  last activity 3y ago by RandySavage‭

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Q&A Can 2019-nCoV be altered to be carried by the wind?

After surveying customers about their new product, 2019-nCoV™, E.V.I.L. Inc. realized that many of them would pay for an upgrade which allows for the virus to be carried by the wind itself in order...

1 answer  ·  posted 3y ago by MedwedianPresident‭  ·  last activity 3y ago by MedwedianPresident‭

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Q&A How can sapient beings engineer transportation and building when they can only count 0, 1 and many?

Imagine a species of humanoid beings living on an Earth-like planet somewhere in the universe; they have developed complex spoken and written languages and they can study their own anatomy and the ...

6 answers  ·  posted 3y ago by user6760‭  ·  last activity 3y ago by user6760‭

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Q&A Can multiple space habitats be joined by tubes?

I wanted to create an extremely large space city which will be made up of many different large space habitats of ringed and cylindrical varieties. Although each habitat will contain its own city o...

1 answer  ·  posted 3y ago by RandySavage‭  ·  last activity 3y ago by RandySavage‭

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Q&A Would "land assist" technology be possible in real life?

In the game Call of Duty: Advanced Warfare, characters wear exoskeletons with an ability called "land assist", which allows them to slow down their fall using a jet of compressed air (or some speci...

3 answers  ·  posted 3y ago by Raleigh‭  ·  last activity 3y ago by Raleigh‭

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Q&A A plausable explanation of how life is created with digital DNA

I recently read that not only would a creatures digital DNA need to be stored but its mitochondria and microbiomes DNA needs to be stored. A previous questions answers mentions epigenetic structur...

1 answer  ·  posted 3y ago by RandySavage‭  ·  last activity 3y ago by RandySavage‭

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Q&A Biological Features Necessary for a Humanoid to Have a Much Higher Rate of Reproduction?

So for this question there's a Mad Scientist/Dark Lord that wants to engineer a race that can out breed mankind and carry him to victory. He has access to sufficiently advanced genetic engineering...

4 answers  ·  posted 3y ago by NixonCranium‭  ·  last activity 3y ago by NixonCranium‭

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Q&A How could 3D Bioprinting and Synthetic Biology be used in the future for reproduction?

I think it will be possible in the far future to take a single person`s cells, genetically enhance and change them using genetic engineering and synthetic biology using new genes, and put it in a 3...

2 answers  ·  posted 3y ago by Sabrine Crystal Santos‭  ·  last activity 3y ago by Sabrine Crystal Santos‭

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Q&A How could genetic engineering be used to create an opposite sex clone?

Do you think it will become possible to create opposite sex clones in the future? A male clone from a woman or a female clone from a man? I think it will become possible. To create a female clone ...

3 answers  ·  posted 3y ago by Sabrine Crystal Santos‭  ·  last activity 3y ago by Sabrine Crystal Santos‭

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Q&A How to allow a cylindrical habitat (O'Neill or McKendree) to radiate heat to space?

Background I am trying to find a design for a cylindrical habitat that would allow the enclosed cylinder to radiate heat out to space as does the Earth without using mirrors and windows. Problem ...

6 answers  ·  posted 3y ago by Abanob Ebrahim‭  ·  last activity 3y ago by Abanob Ebrahim‭

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Q&A Sea pumps to create rain using windmills to control weather?

I'd love some science advice and facts for this question: If they use wind power to bring up water from the ocean in the day time and spray it on prevailing winds going into land (i.e. 10-15 km fr...

4 answers  ·  posted 4y ago by com.prehensible‭  ·  last activity 3y ago by com.prehensible‭

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Q&A How long would it take to dig a 10 km canal with Bronze Age technology?

There's a a decent sized kingdom that is situated between the ocean and a gigantic dried out seabed. The Priest-King and his lackeys want to flood the useless desert because who wouldn't want more ...

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

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Q&A Improved lungs?

What needs to be improved or added to the structure (device) of human lungs to be able to filter toxic chemical compounds in the air (for example, in mines the air may contain nitrogen, methane, ca...

1 answer  ·  posted 3y ago by French Thompson‭  ·  last activity 3y ago by French Thompson‭

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Q&A How do I determine the physical size of a quartz crystal of a given shape and vibrational mode needed to approximate a specific resonant frequency?

So, one of my D&amp;D characters has a cut/relief-carved quartz crystal amulet (medallion shaped) that's both an arcane focus (crystal) and a holy symbol (amulet), and I thought it would be a good ...

1 answer  ·  posted 3y ago by Shalvenay‭  ·  last activity 3y ago by Shalvenay‭

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Q&A Dyson Sphere only ever possible theoretically

Assume technology more advanced than current levels, let us theorise for this question that we are capable of reaching and if needed extracting material from any planet or moon / body in our solar ...

2 answers  ·  posted 3y ago by AndyF‭  ·  last activity 3y ago by AndyF‭

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Q&A How massive can a structure get on the inside of a Mckendree cylinder?

Background A McKendree cylinder is a rotating cylindrical space habitat comparable to the more well known O'Neill model. It was proposed by NASA engineer Thomas McKendree in 2000 as an update of O...

1 answer  ·  posted 3y ago by Abanob Ebrahim‭  ·  last activity 3y ago by Abanob Ebrahim‭

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Q&A Is it possible to create an organism that is completely immune to radiation?

Radiation is the ultimate bane of all organic life. Its particles punch holes in our DNA, causing mutations and giving us cancer. But, is there a way to make an organism that is unable to get radia...

3 answers  ·  posted 3y ago by Cobbington‭  ·  last activity 3y ago by Cobbington‭

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Q&A Would Stirling engines be good in space?

My knowledge of Stirling engines is that they work via a heat difference and are extremely heavy when used on a larger scale. This makes the use of them on vehicles a strange choice when there are ...

8 answers  ·  posted 6y ago by Mendeleev‭  ·  last activity 3y ago by Mendeleev‭

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Q&A What do you make bricks out of in the rainforest?

Problem statement There exists a thriving Bronze Age civilization in a gigantic rainforest, bigger than the Amazon and Congo put together. This civilization is built in on the flood plains of a mi...

7 answers  ·  posted 4y ago by kingledion‭  ·  last activity 3y ago by kingledion‭

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Q&A How plausible does the power source for this fictional giant robot sound?

Here is a big one for you engineering fans to chew on. First off, a little context: The giant robot in question is called Mazinger Z, considered to be fiction's first pilotable mecha, launching t...

2 answers  ·  posted 3y ago by Jacob Blaustein‭  ·  last activity 3y ago by Jacob Blaustein‭

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Q&A Does adamantium solve the giant mecha problem?

When the giant aliens came lumbering out of the interdimensional fissure, we fought back, building giant robots of our own... which promptly collapsed onto themselves and were unable to move becaus...

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

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Q&A Futrinka street and the plausiblity of comfortably habitable giant-pumpkin houses

So, there was this pupet show about two characters, Mazsola and Tádé. They lived in a BIG pumpkin, that had been hollowed out and repurposed as a house. It looked something like this. Now, I k...

2 answers  ·  posted 3y ago by Mephistopheles‭  ·  last activity 3y ago by Mephistopheles‭

Question flora engineering
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Q&A Myelination in cephalopods

I am a complete amateur regarding biology, so please forgive me if this question is a little stupid. Could we ever create squids that have human-level intelligence and could serve as a replacement ...

4 answers  ·  posted 3y ago by Jonathan Böcker‭  ·  last activity 3y ago by Jonathan Böcker‭

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Q&A Creating chimera virus by rogue scientist

In my world there is a rogue scientist who wants to wipe out at least 90% of humanity. He's has a sample of measles which are very contagious but he needs something new. Could he merge measles with...

2 answers  ·  posted 3y ago by michael smith‭  ·  last activity 3y ago by michael smith‭

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Q&A What to remove to make a realistic Omni-Directional Maneuver (ODM) gear?

One thing I like about Attack on Titan are those lovely Omni-Directional Maneuver (ODM) gears! They're the perfect combination of a jetpack and a grappling hook. I love how the thrusters are placed...

1 answer  ·  posted 3y ago by Mephistopheles‭  ·  last activity 3y ago by Mephistopheles‭

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Q&A Horizontal lane separation for flying cars?

First these are ground effect vehicles, not true aircraft. While Star Trek, Star Wars, Blade Runner, The Jetsons, and every scifi I can think of has "magically hovering" private transportation, I a...

4 answers  ·  posted 3y ago by Vogon Poet‭  ·  last activity 3y ago by Vogon Poet‭

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Q&A Pre industrial form of rapid mass transit over land

I have a world that isn't an exact analogue to medieval technology, closer to the late 1700s in terms of culture and agriculture/metallurgy, only without gunpowder. I have them ahead of real histor...

8 answers  ·  posted 3y ago by Rick D‭  ·  last activity 3y ago by Rick D‭

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Q&A How to make fail-safe for full body virtual reality?

My VR machine isn't the plug-it-to-your-brain type, but instead it's more like a "reality sphere" around your body that have some kind of gravity machine to keep you in the center of the sphere and...

2 answers  ·  posted 3y ago by arlilo‭  ·  last activity 3y ago by arlilo‭

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Q&A Genetically engineered de-evolution

Why might a species advanced enough to develop genetic engineering start a process by which their own genes, over hundreds of years, would get edited back to resemble their more primitive ancestors...

13 answers  ·  posted 7y ago by the_au‭  ·  last activity 3y ago by the_au‭

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Q&A Group-minded alien species create alien human hybrids- why?

The aliens in question aren't of a hive mind in the strictest sense (instead of many drones answering to a leadership caste each organism acts as one cell, all of them are essentially 'the same ran...

6 answers  ·  posted 7y ago by king of panes‭  ·  last activity 3y ago by king of panes‭

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Q&A Smallest possible Victorian cogwheel size

In my late-Victorian-based world, mechanical contraptions are incredibly advanced due to the early discovery and quick popularisation of mechanical computation. The science of writing instructions...

3 answers  ·  posted 3y ago by A Lambent Eye‭  ·  last activity 3y ago by A Lambent Eye‭

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Q&A How large and heavy would an arcology have to be?

I am trying to work out the size and (because this is among other things for populating a rotating habitat) weight of an arcology made to house, say, 5000 people - that seems a good number for a se...

1 answer  ·  posted 5y ago by Zuthal‭  ·  last activity 3y ago by Zuthal‭

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Q&A Uses for quantum entangled particles?

We already have them. They are the future, and they are beautiful. Quantum Entangled Particles. One spins one way. The other, another way. Unobstructed they spin, in complete opposition to each oth...

3 answers  ·  posted 7y ago by Caleb Woodman‭  ·  last activity 3y ago by Caleb Woodman‭

Question engineering quantum
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Q&A My mysterious "ruins" wander around and change on their own, what'd be a rational way for them to do that?

Civilization is fairly young in my setting. Thus, the sheer number of ruined buildings and abandoned structures, found throughout the wilderness, seems strange. The ruins vary a lot: has-seen-bett...

19 answers  ·  posted 3y ago by Mephistopheles‭  ·  last activity 3y ago by Mephistopheles‭

Question engineering
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Q&A 1g Acceleration Spaceship Design

In my story, a ship is built in orbit around Earth, designed for a 20-person scientific expedition to a planet 11.4 ly away. It will accelerate at 1g for half the distance, then flip around and acc...

3 answers  ·  posted 3y ago by Gilad M‭  ·  last activity 3y ago by Gilad M‭

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Q&A What materials and what shapes should be used for struts inside a vacuum airship's envelope?

What materials and what shapes should be used for struts inside a vacuum airship's envelope? The vacuum airship is a theoretical dirigible design were you replace the hydrogen/ other lifting gas w...

3 answers  ·  posted 3y ago by meaninglessname‭  ·  last activity 3y ago by meaninglessname‭

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Q&A How powerful does a chainsaw engine need to be to cut cloth and bone?

Chainsaws in games and films are an epitome of gruesome dismemberment. In Zombie attacks they are used to cut through cloth and flesh while in games they can dismember if not cut from skull to groi...

3 answers  ·  posted 3y ago by Demigan‭  ·  last activity 3y ago by Demigan‭

Question energy engineering
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Q&A What would be the best propulsion system for this aircraft carrier?

So, I was watching a funny movie about undead pirates when the realization hit me, I never once tried to create naval superiority for my Mary Sue. Well, guess I just do it now. Titanic 2: (n)Ice t...

8 answers  ·  posted 3y ago by Mephistopheles‭  ·  last activity 3y ago by Mephistopheles‭

Question ships engineering
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Q&A What kind of genetic engineering would be required to give a human-animal hybrid the following characteristics?

In my world, taking place sometime in the near future, scientists decide to mess around with genetic engineering. The goal is to create hybrid supersoldiers with animal genes ad have them perform e...

2 answers  ·  posted 3y ago by Space_Cadet‭  ·  last activity 3y ago by Space_Cadet‭

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