Questions tagged [bio-mechanics]

For questions about the mechanical processes that allow organisms to live, including respiration, consumption, excretion. Focus on shapes of body parts and connections between parts.

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4
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3answers
84 views

Help With Animal Survival Rates and Understanding Adaptations And Genetics

Skippable Introduction I asked a similar question 2 years ago and never got a real answer. I was told the question was too broad or "it can be whatever you want" "magic can do anything" so I thought ...
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2answers
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How would head shaping affect the ligament attachments of a gorillas skull?

After researching many head shaping cultures like the Paracas and proto Nazca it seems there is no adverse affects beyond physical. What would the affects be on a gorilla? Would it be able to function ...
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1answer
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How fast can a large animal knuckle-walk?

Start with a silverback gorilla, make it roughly three times bigger, assume it's bone and muscle structure is capable of compensating for the increased size: how fast can a thing like that reasonably ...
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2answers
110 views

Reasonably tougher humans against falls, concussions etc

My question is, how do we make humans more able to resist falls(not just free falls, also normal ones and from a "medium" height, 2-10 meters) and be able to move afterwards, at least for the jumps on ...
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1answer
74 views

Superhuman: Extreme Temperatures Pt.2

I have decided I will add my whole question… I’m new give me a bit of grace… I am creating a superhuman and I am in need of some helpful tips and answers. To get straight to the point I need to ...
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1answer
108 views

What would it take to get the temperature of the human body to rise to 3,000 °F?

I am creating a superhuman that can raise her overall body temperature to 3,000 °F (1648.889 °C) but I need to know the exact requirements of how that could happen. Let's say this superhuman could ...
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1answer
80 views

How to keep internal organs functioning within an exoskeleton suit in different gravity levels?

This question answers the issue I was wondering about of how well an exoskeleton suit could help my characters move as normal in higher and lower gravity Could a robotic exoskeleton give humans Earth ...
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1answer
106 views

Scaling up the bombardier beetle's chemical weapon. What would change?

There are two common quirks I keep hearing about dragon anatomy and biochemistry. The first is that dragons use lifting gases to keep aloft and breathe fire, both of which are just plain dumb. First, ...
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2answers
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How could dragons use their forepaws as hands?

So, I want my dragon to be able to do stuff like open doors and whatnot. Using the wings is kind of awkward and takes up considerable space, and because of the coronavirus, the mouth is also a no-no; ...
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2answers
262 views

Could spasmoneme muscles be useful for a living creature?

I got an interesting answer to one of my questions and I would like to know some additional info. A myoneme (or spasmoneme) is a contractile structure found in some eukaryotic single-celled ...
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4answers
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Lizardfolk and the problem of balance and anatomically sound tails

So, lizardfolk are humanoid (and, so, upright) creatures with reptilian features and are also part-time endotherms. They're well-adapted to living in water and on trees to a degree. One adaptation for ...
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3answers
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So, how do I put the extra muscle, needed for flight, into a large flying creatures like dragons?

I've been thinking about this the whole day. At first I thought it was an easy fix, given my dragon's bones have a tensile strength of 3-6.5 GPa and an elastic modulus of 50-140 GPa, depending on the ...
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2answers
86 views

How would Humanoid Insects Molt?

I am writing a story that has insects the size of humans, but I am having a little trouble with the biology. When you look up why there are no large insects on Earth, the most popular answer is that ...
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1answer
85 views

How would a dragon's neck be optimized for the most force output for the least amount of weight?

Basically I wanted dragons to be able to efficiently finish off armored opponents by chomping on one of their arm then batting them around and against hard surfaces until they're no more. If you need ...
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12answers
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How can a dragon take off to the air silently?

Imagine a dragon as tall as average adult horse with a wing span of 12m long measuring from tip to tip. I wonder what evolutionary traits or techniques could allow the dragon to lift itself off the ...
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14answers
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Dragons have a constraint on muscle mass that isn't dedicated to flight. What's the best natural physical weapon for them?

Since the dragon lives in a forest, he limits the use of his acidic breath weapon on home ground to hit 'n run, supply destruction, and a way to deter his enemies and give him a chance to escape. ...
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4answers
221 views

Feasibility of Cyborg Trees?

I'm writing a thriller story about a group of explorers who traveled to a distant planet in the hopes of finding intelligent life, when the explorers arrived they discovered a planet that was full of ...
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0answers
50 views

A Creature Reliant on Mechanoreception to Hunt Prey? [closed]

I'm currently developing a military sci-fi concept and could use help working through some theoretical creature designs. During early concepting, the actual specifics of the creature-threat took a ...
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4answers
206 views

Can a biological system be used to power an android?

The purpose of this question is to know whether or not organic tissue can be used to power and android. Compared to a nuclear cell or an ordinary battery this doesn't seem efficient, it needs food, ...
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1answer
152 views

Are Air-Breathing Merfolk Viable?

I normally ask sci-fi questions, but oh well... It's fairly well established by this point that gills, while fine for fish, wouldn't work for mammals, as we need more oxygen than can reasonably be ...
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3answers
265 views

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 ...
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2answers
117 views

How can an amorphous creature change viscocity at will?

In my fantasy setting, slimes are a species of giant (about eight cubic feet), single-celled amoeba. They have the ability to freely change their state and viscocity, being able to "melt" into a ...
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4answers
250 views

How low can the density of a living creature be?

In the anime, called Attack on Titan, the primary antagonists are these huge, humanoid creatures, called titans. Titans have sizes between 15 and 4 meters. Larger titans aren't unknown, but they ...
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2answers
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How strong, resistant and fast can a (humanoid) living being be?

How fast could run a humanoid being, how much damage could resist, how much weight could lift, how strong could hit, under the indicated evolutionary conditions? is there a limit? I have always ...
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1answer
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How many people can a sealed 3x1x1 km biome support?

Question Context : Mars second moon Deimos has been converted into a generation ship. A considerable portion of its mass has been shaved off during the process & ejected backwards along its path ...
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What’s the fastest possible speed a human could move in a single step without some form of augmentations or assistance?

Im new here, so go easy on me if the question is a bit bland or improperly written. I just decided to post this question since I haven’t been able to find adequate answers to this question anywhere ...
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what materials can I use to bioprint a human skeleton?

In the grim darkness of the 22,d century, there is only war. humanity has waged war on itself for decades, turning many areas of the planet into wastelands. With every decade that passes, new weapons ...
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Anatomically Correct Propellers

NOTE: I previously asked the same question regarding wheels, because I thought that the answers would still help me and that wheels were more applicable to a wider audience than propellers. However, I ...
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2answers
351 views

Is a 500 kg flying creature possible?

I usually like to leave some wiggle room for myself when fleshing a concept out. Dragons make that sort of impossible, same's true for nanomachines but ripped senators are a question for another day. ...
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1answer
132 views

Would stronger tendons and bones allow for stronger muscles for the same weight?

Follow-up to this question: Would linear increase of a muscle's dimension increase the power as well? Let's suppose there is a genetically engineered creature that has the abilty to synthesize ...
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2answers
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Would linear increase of a muscle's dimension increase the power as well?

The square-cube law applies to bodies with the same shape, and require them to be increased/decreased in all three dimensions. If you were to take a cube, with every edge being a long, and expand it ...
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2answers
208 views

What problems would arise if a species that uses wheels via electricity/conductivity instead of muscle tissue to move? [duplicate]

I've been thinking about making a species that uses wheels for locomotion. However, instead of using muscle tissue to spin them (as that would cause damage to said tissue), they would use electricity ...
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5answers
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The anatomy of an organic microwave generator

I have a concept for a species of arctic-dwelling organism (let’s just call it a polar bear) that evolved an organ that was able to produce microwaves, which it uses to tunnel through ice. If such a ...
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4answers
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What is the bio-mechanical plausibility of a fox with venomous fangs?

For context, I've been working on a fantasy race for use in a science fiction novel, the gist of which is essentially a red fox that has had its genes manipulated by a supernatural force with the ...
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6answers
531 views

How could dragons effectively use their wings as weapons in ground combat?

One reason I prefer classical western dragons over wyverns is that they aren't totally handicaped on the ground. However, those forelegs are only supposed to be for better locomotion on ground and ...
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5answers
326 views

Sanity check: 4D bio-wheels

In our 3D world, it is basically impossible to evolve living wheels, or helicopter rotors, or anything similar because free rotation of an axle dictates that there is no fixed connection to the body ...
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2answers
317 views

Wings for orbital transfer bioships? - The ascent

I've been looking at the altitude boosted SSTO designs from the 90s that were designed to be lifted to launch altitude by modified jetliners and thinking about bumblebees and wondering if bioships ...
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1answer
359 views

Developing a scientifically accurate species of dragon-like humanoids

I'm trying to figure out a way to make this species as I envision it while still maintaining scientific realism. I want to get it as close to "yes, this could exist in the real universe" as possible. ...
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4answers
884 views

Is a reptile with diamond scales possible?

I thought of a concept for a dragon or similarly gigantic reptile with a special adaptation, in which they’re born with scales made almost entirely of carbon. Then, over an incredibly long life cycle, ...
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6answers
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Biology of a Firestarter

Biologically speaking, what would be the best real world explanation for a pyro, torch, fire-starter type mutation. Leeching heat energy from the environment might freeze dry your surroundings. ...
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3answers
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How can dragons propel their breath attacks to a long distance

So if you remember my dragons: They aren't that big (roughly a shire horse in size, but a longer neck and a tail) They use graphene in their bodies, which might or might not explain how they fly They ...
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5answers
552 views

What minerals that are more durable than calcium would be suitable for bones?

Edit: I am asking in the context of alien life, should have specifyed that to begin with. I have many ideas for fantasy/sci fi races, and one that I kept coming back to is a species with bones that ...
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8answers
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Could a medium sized mammal in the order carnivora evolve to be bipedal?

In the movie Guardians of the Galaxy (and a few others), we meet a bipedal raccoon known as Rocket (who I am aware did not evolve to be bipedal, but I am using him as an example). I honestly love the ...
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1answer
223 views

Where would padding inhibit a limb's movement the least in a quadruped creature?

Of the six limbs of classic dragons, the forelegs always stuck out like a sore thumb. They're dead weight in flight, etc... However, since in my setting you can find any sort of armament, short of a ...
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2answers
689 views

Can my heraldic dragons fly?

Heraldic Dragons Heraldic dragons are the creations of a mad god, called Anon, designed after the classical six-limbed ones. Measurements: Head+neck length: 180 cm Body length: 180 cm Height at ...
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6answers
554 views

Would it be possible to rearrange a dragon's flight muscle to somewhat circumvent the square-cube law?

The square-cube law holds true only for objects that are similar. In evolution, you can't make big leaps forward, but since most fantasy worlds are created by gods or people who think they're gods, I'...
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239 views

Living nests for insects - Part 1: Optimal Hive shape

I've been playing with the idea of living nests for insects for a while now to help populate my worlds. The idea is that they don't build a static nest out of wood pulp and other material but have a ...
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4answers
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Dragon forelimb placement

Most dragons (before Skyrim and GoT) had six limbs in total, four legs and a pair of wings. The question is how would a dragon's forelimbs be placed? It's obvious they have good terrestrial ...
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3answers
363 views

Creating a scientifically semi-valid super-soldier, addendum: Metabolism

A while back Demigan had a running series of posts about various aspects biological enhancement for the purpose of designing super-soldiers with an element of (pseudo) science behind them. You can ...
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1answer
147 views

How can I increase wingbeat frequency for large flying creatures?

Flapping flight bumps into a size limit after a while because of wingbeat frequency. My knowledge on birds is rather limited, so here's how I interpreted that: A longer wing is a longer lever -> ...