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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6
votes
5answers
278 views

Powerful tail swipe with as little muscle as possible. How?

If you look at flying animals, they usually have small tails. For instance, giant pterosaurs. Now dragons tend to be portrayed with more devloped tails. For my dragons, their tails, and the bony spade ...
15
votes
7answers
1k views

What would martial arts for dragons look like?

So, since my dragons have a lot of limitations that are needed for flight, I thought it was to make them some strengths. Two that still remain are their intelligence and long life, which can result in ...
4
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1answer
173 views

Humanoids with wings, how do they take off?

Remember when I said that flying creatures are a nightmare to design? Well, looks like dragons and gryphons were just the beginning, we still have two other species to cover, and they're worse. ...
5
votes
1answer
151 views

How light can a quadruped's legs and relevant muscles be in proportion to their body without losing function?

Dragon? Only possible with Magic? No. Dragon: big, strong, hard-to-kill, flies. Marden: 25% of total mass IS dedicated to flight. Problem! Hard-to-kill? Small hitbox. All organs in ribcage, even a ...
2
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2answers
112 views

How could “muscular hair” work?

Well, there is already a similar question, but I consider mine to be somewhat different as I am not asking about hair-thin fibers that can act individually. The kind of "hair" that I ...
2
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1answer
80 views

How could an eusocial dragon species of elemental castes work?

Well here are constant questions about how control, breath or thrown different "elemental" objects, electricity, fire, ice, water, air and the less common earth (because requieres things ...
15
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3answers
2k views

Are 'ambiskeletons' viable?

A recurring problem in trying to create large creatures is the square-cube law as it applies to upscaling familiar animals, particularly those with exoskeletons: if you double an animal's size, its ...
3
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0answers
79 views

How get functional arthropod-like legs for carry great weights?

"For big sizes and masses arthropod legs are a bad option" is what many people say, but nevertheless, this always looks cool and scary. So based on the first solution for an Anatomically ...
1
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1answer
57 views

How could be useful a long and flexible tail for a living flying mechanism?

Following the answer to my question about an Anatomically correct Quetzalcoatl, is problematic have gravity center positioned so far behind the wings.So in the case of a creature with a snake-like ...
4
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1answer
72 views

How could work a functional secondary respiration system (“Universal” respiration/lungs) at terrestrial and active creatures?

Following the path of my super predator, I thought that one interesting characteristic can be breath while is eating or producing sounds, an addition that could be useful for do not lose time during ...
1
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2answers
62 views

Ramifications of increased speed or force produced by muscles on the effects of a melee attack on a steel wall

So I've seen questions and answers on super strength but I was wondering more about superspeed. This superhuman can move 20 times faster than an ordinary human. Assume this Super Human also has ...
6
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4answers
179 views

Unique take-off strategies for six-limbed creatures?

So, dragons, gryphons, what have you. They're usually (before Skyrim and Game of Thrones in the dragons' case) depicted as six-limbed, quadrupedal creatures. Now, the thing is, staying aloft is much ...
4
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1answer
190 views

What's the scalability of this flying strategy?

So, a quick rundown: Giant pterosaurs lived during the Cretaceous period before some a-hole wiped the server clean. These pterosaurs ranged in appearance and lifestyle from sorta-scavengers, like the ...
3
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2answers
159 views

How could functional tentacles out of water (or similar structures) exist? [duplicate]

It is a common sight a lot of speculative terrestrial cephalopods and especially octopuses and not just that also is common see fictional works with creatures or characters with strong tentacles that ...
27
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7answers
8k views

If all natural sources of oxygen production stop, how long do we have?

One day on planet Earth, for reasons that are not immediately apparent to the population, all natural sources of oxygen production stop producing oxygen. No new oxygen is output from any natural ...
5
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2answers
165 views

Would it be possible to enhance the brain via a prosthetic?

So, I was creating an extremely small race of (genetically and technologically modified) beings for a world I'm building, but the issue was that their bodies were too small to house an acceptable ...
5
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3answers
2k views

What's a reasonable location in the body for a bio-implant?

Fairly straightforward. I'm writing a character with a regenerative ability that's prone producing cancerous tumors when healing from substantial injury. A friend suggested having some sort of ...
0
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1answer
98 views

Assuming the wing is strong enough to handle the forces, would allocating wing area towards the tip of a creature's wings help with flapping flight?

When it comes to pushing against fluids (such as water and air) you gotta get speed, demon speed! Speed is what we need! We need greasy-fast speed! It's rather apparent that slow-moving objects tend ...
3
votes
1answer
280 views

Increased flexibility for dragons?

Uhh... So, birds aren't exactly the most flexible creatures. Sure, they got their neck, but their ribcage is fused and solid. This is true for all flying creatures, including dragons, as the ribcage ...
1
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1answer
158 views

Anatomically Correct Glebsig [closed]

A Glebsig (plural Glebsigi) is an intelligent alien species from the game Stellaris. They look like this: Glebsigi can float in mid-air with their tentacles hanging below. Glebsigi manipulate things ...
2
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2answers
143 views

How could six-limbed dragons launch like vampire bats and giant pterosaurs?

So, birds have a rather significant disadvantage, Tthey "jump" into the air, which requires beefy legs that become dead weight in flight. Bats and giant pterosaurs circumvented this problem ...
6
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1answer
152 views

The square-cube law's progressive changes to biological creatures as they grow in size?

This site boasts hundreds of questions about the size of particular creatures and the effect the square-cube law has on them. However these questions usually focus solely on the skeleton and are often ...
3
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3answers
83 views

How to control a non-neural link controlled jumpjet/jetpack

When looking at movies and games, jumpjets/jetpacks are often easy to control. In games its a matter of a keyboard press away and in movies it more or less does exactly what the person asks of it, ...
3
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1answer
62 views

Bipedal mole rats

Mole rats start evolving bipedalism. Are they more likely to stand upright like humans as seen in this photo Or is the idea of mole rats walking bent over like pandolins more realistic
4
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3answers
208 views

A sentient “eusocial” swarm and maintaining communication

I've seen a question similar to the one I'm about to ask, but it does not quite address what I want to know, so here goes. I want to create an organism in which sentient individuals are actually ...
4
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3answers
99 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
57 views

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 ...
4
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2answers
116 views

How fast can a large animal knuckle-walk?

Start with a silverback gorilla, make it roughly three times bigger, assume its bone and muscle structure is capable of compensating for the increased size: how fast can a thing like that reasonably ...
2
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2answers
130 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 ...
2
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1answer
108 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 ...
2
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1answer
155 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 ...
5
votes
1answer
93 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 ...
3
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1answer
130 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, ...
2
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2answers
153 views

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; ...
5
votes
2answers
293 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 ...
14
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4answers
2k views

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 ...
11
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3answers
331 views

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 ...
5
votes
2answers
110 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 ...
4
votes
1answer
102 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 ...
15
votes
12answers
6k views

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 ...
15
votes
14answers
5k views

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. ...
5
votes
4answers
256 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 ...
3
votes
0answers
55 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 ...
4
votes
4answers
228 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, ...
6
votes
1answer
223 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 ...
3
votes
3answers
304 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 ...
7
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2answers
139 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 ...
6
votes
4answers
287 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 ...
0
votes
2answers
192 views

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 ...
4
votes
1answer
140 views

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 ...