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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Anatomically Correct Opticoid

Description An Opticoid is an alien species from the tv series Ben 10 and is named and known for having green eyes with slits all over its body except for its head where there are two large bat-like ...
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1answer
82 views

non muscular rapid color changing

I have this alien race of amoeba-like creatures about the size of humans with the ability to morph their shape and move by constantly making and dissolving muscles by manipulating their membrane and ...
13
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6answers
511 views

Creating a scientifically semi-valid super-soldier, part 6: Radiation protection

Previous parts here: Creating a scientifically semi-valid super-soldier, part 1: Skeleton Creating a scientifically semi-valid super-soldier, part 2: nervous system Creating a scientifically semi-...
2
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2answers
404 views

Amoeba Skeletal Structure

So I am making these giant(human sized) amoeba-like aliens and to have something this big it requires a skeleton to maintain shape and to support its body but also needs to be flexible so it can do as ...
6
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1answer
353 views

Creating a Scientifically Semi-Valid Pseudo-Arthropod Primate Part 1: Pseudo-Dragonfly Wing Rib Muscles

Background As a parody of the super soldier questions and as an efficient way of organizing these questions I will now start this series of questions about Pseudo-Arthropod Primates. Questions from ...
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1answer
89 views

Pancreas Chitin

Okay so I am making these arthropod looking humanoid mammalian species, so think of a human with armadillo armor and jointed sloth arms. And I have heard that the pancreas produces Chitin so my ...
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2answers
381 views

Creating a scientifically semi-valid super-soldier, part 5: Heart and circulatory system

Previous parts here: Creating a scientifically semi-valid super-soldier, part 1: Skeleton Creating a scientifically semi-valid super-soldier, part 2: nervous system Creating a scientifically semi-...
17
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3answers
501 views

Anthropomorphic Animal Head Support

So I have struck another snag in my draft involving my character's biology. It is an anthropomorphic animal related to the pantherinae subfamily. So far, its physical structure resembles that of a ...
46
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22answers
8k views

Advantage of luminescent eggs?

For example, a quote from one of the Witcher 3: Blood and Wine's side quests says The eggs themselves are a sight to behold, luminescent. The man (hologram) is referring to giant centipede eggs. ...
11
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8answers
887 views

What's the most plausible way to bio-engineer an underground ecosystem, without photosynthesis, to produce oxygen?

Here's the full question: What's the most plausible way to bio-engineer an underground ecosystem, without using photosynthesis, so a mine system would not need an active air exchange system? (It was ...
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6answers
333 views

What sort of legs would a 1-ton pig neeed to support its body weight and move in short bursts of speed?

I recently asked how big a giant pig would need to be in order to carry a 10 foot tall (3.0 meters) and 272 kilogram (599.66 pounds) humanoid (wearing plate armour or an ankle-length cuirass ...
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10answers
1k views

Neutral, science-based Undead

I'm looking for one or more biological processes that could be bolstered, changed, or introduced to a human to create a severely extended lifespan, ideally requiring death first, in order to best ...
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4answers
545 views

Creating a scientifically semi-valid super-soldier, part 3: Physical shock resistance

Part 1 here: Creating a scientifically semi-valid super-soldier, part 1: Skeleton Part 2 here: Creating a scientifically semi-valid super-soldier, part 2: nervous system In most movies, comics and ...
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2answers
147 views

If humans adapted to survive car crashes what would our physiology be like? [closed]

A good scenario for this situation would be roads got more dangerous and cars were not improving for more people to survive car crashes. in this world they became more common. what would our ...
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2answers
2k views

Creating a scientifically semi-valid super-soldier, part 1: Skeleton [closed]

Sometimes you just want to have a dragon, giant scorpion or a superhuman that has a bit more realism behind it than "it's strong, fast, can jump extreme distances despite it's weight and it's smart, ...
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5answers
330 views

Swimming in the rain?

This question is inspired by salmon swimming up waterfalls. I am aware that it is an entirely different thing, but I felt that it was worth mentioning in understanding the question. “What would need ...
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8answers
2k views

Building The “Perfect” Mount

Horses are not perfect for war but they are still very good when trained. How to make a horse better for the following conditions? be stronger in the act of charging infantry and other horseman ...
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4answers
252 views

biological cybernetics for human prosthetics

So in my book the main character loses his left arm (all the way to the shoulder) and is giving a prosthetic arm but I want the arm to be bio-cybernetic like I was thinking that the metal (can use non-...
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5answers
1k views

Humans with a scorpion-like tail?

I'm trying to create a new race of humanoids that are in appearance almost identical to humans with one exception: They have an extension of their spine protruding from their back, much like a tail. ...
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3answers
173 views

How can perpetually-gliding lifeforms develop space travel?

Malgrovian gliders inhabit the middle layers of the atmosphere of Malgrov, a gas dwarf. They spend most of their life gliding, preying on giant balloon-like floating lifeforms. When they get older, ...
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2answers
123 views

How would magic controlled insects go about repairing a magical scarf?

About the Question The end questions are about the mechanics of the repair work itself for certain parts of the scarf. Everything else should be explained below. Location On one of the worlds of a ...
3
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3answers
719 views

How could a human without bones survive?

My novel is a fantasy, so it doesn't need to be completely accurate, but I still want a (somewhat) plausible solution. My world is a steampunk inspired Earth-like planet with magic. There are people ...
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3answers
3k views

How strong would John Carter really be on Mars?

Let us assume that in the future, there is a formerly human colony on Mars that has existed there for some centuries. The people of this world have had time to adapt to the lower gravity over at least ...
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3answers
696 views

Are single-biomed planets (like in *Star Wars*) possible? [duplicate]

I know this may seem like an obvious no, but with the newest Star Wars movie just released, there is a mineral-rich planet called Crait which I have seen make a few debates about whether or not this ...
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3answers
418 views

How to make selective healing?

Selective (Prioritizable) Healing What is it? It is the ability to choose which wound do you want to start healing first, or at least, which wound do you want regen faster slowering the rest of ...
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3answers
160 views

What is the plausability of biomechanical muscle mass?

So in my story, the protaganist has had an accident where most of his muscles have to be rebuilt. The medical staff do a procedure in which they give him cybernetic muscles, and I'm thinking that they ...
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1answer
54 views

Name for standard, non-cellular mechanisms? [closed]

Let's assume a dichotomy of standard machines versus cellular machines. Today, most machines are non-cellular, and are made up of large, specialized parts that themselves are not made up cells, and ...
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1answer
307 views

How large could a frog be?

While Prionosuchus and other large temnospondyls are definitely imposing and capable of causing mortal harm, they still adhere to a distinctly salamander-like profile. Anurans (relating to frogs or ...
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5answers
424 views

Multi-purpose Fictional Chemical Element Needed

I am looking for some guidance in creating a chemical element. I want to know if it is scientifically plausible for a single fictional element to do all the things I need it to, even if at a stretch, ...
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6answers
323 views

Food sources for engineered spaceborne life forms

Years ago, I was tinkering around with the idea of an engineered life form which could survive the vacuum of space and be made into a starship. I have since given up on the idea, but curiosity is ...
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1answer
215 views

Flying Stingrays [closed]

In my story, a member of the highly advanced alien civilization (let's just call them Annunaki) decided to make a species for his own protection, the Wingrays. His proposal The Wingrays are (just ...
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1answer
106 views

Gripping with radial palms

How would gripping of different objects, such as rocks and sticks, work for an organism that has radially symmetrical hands, resembling starfish in shape. They have four to five digits, depending on ...
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2answers
176 views

Why would someone want to be eight feet tall? [closed]

Let's imagine that through the application of advanced biotechnology and cybernetics, humans in the 23rd century have created a sort of machine mitochondria that lives inside a person's cells and ...
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2answers
520 views

Effect of sustained high G enviroments on the human body?

Tau Ceti e is possibly a good candidate for colonisation as it has a yellow dwarf sun like earth. But it's mass is estimated as >4.30 ± 2.1 of earth. (See Wiki) I remember from a documentary that the ...
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2answers
1k views

Could nanites give us superhuman strength? [closed]

Year 2067 C.E. could nanotechnology and bio-engineering one day bestow upon us incredible strength, enable anyone to bench press[1] 1 tons without assistance at 1g Earth surface gravity? No exosuit[2] ...
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8answers
539 views

How long would it take to transform a human into a space-ship and back?

This is not a very hard-science-fiction tale, but more about human relations and adaptability, but I still want it to sound plausible. A space faring civilisation that descend from humans uses bio-...
12
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4answers
486 views

Creating a plausible death world

Could a planet's biosphere be as insanely violent a la War Against the Chtorr or Fragment? Pretty much every organism, even the plants, is omnivorous and voracious. The two biggest obstacles to this ...
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4answers
285 views

The perfect assassin [closed]

Imagine you are a scientist working for the government. Your employer asks you a strange request: to make the perfect assassin. He gives you the required minimum for this assassin: I.Q. of over 200, ...
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3answers
233 views

Ancient Greece have access to cheap, durable and easy to process material, how far can they advance?

Let us consider a human civilization on the level of Plato's Ancient Greece or quite close. They have metal tools and weapons, horse and bull powered chariots, ships with sails and paddles, democratic ...
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2answers
463 views

Could a virus extend life-span?

Would it be possible for a virus to extend the average human life-span (but only by about 50-70 years max) if the infected people kept it controlled enough where it wouldn't (alternatively) kill them (...
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8answers
633 views

Weapons for bioengineered aliens

So I'm working on an alien race I'm calling the Zaux. They look sort of like big, upright stomatopods. They're a super collectivist hive society, completely dedicated to their species' survival. ...
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3answers
143 views

Ways to make an alien viral plague scientifically hard?

Aside from resorting to a grey goo-ish nanoplague that kills indiscriminately regardless of biochemistry, how might an alien virus, bacteria or other pathogen still be dangerous to humans? Could a ...
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3answers
528 views

How big would a human have to be to have a full set of redundant organs?

I'm trying to design a realistic genetically engineered nanotech super-soldier with a full set of redundant organs. How much more interior volume and thus height/weight/muscle mass would a human body ...
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15answers
3k views

Symbiotic benefits for large sentient bio-machine

I’m working on a setting, and have a state I want to achieve but need to come up with a compelling reason for why it is the way it is (even if no one but me ever knows the ‘why’.) I’m after a reasoned,...
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8answers
7k views

Can a human being live with a continuous stream of blood instead of pulses?

For any reason, a human heart is replaced with a pump that instead of pulses provides a continuous stream of blood. It varies the pressure, as a heart does, as needed. Ignore such technical issues as ...
6
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2answers
656 views

Would it be possible to bleed if your blood pressure would be less than atmospheric pressure

If your blood pressure ever falls below the ambient atmospheric pressure would it be possible for you to bleed. Because if blood pressure was less than that of atmosphere air would move in if you get ...
2
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1answer
168 views

How might an organism that is made from neutron superfluid store genetic information?

I was thinking of a set of life forms that originates from neutron superfluid inside a neutron star. So these life forms are not made of atoms but are made entirely of neutrons. How might this life ...
35
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11answers
7k views

Would humans be able to derive nutrition from foodstuffs found on alien planets?

Suppose humans have developed the technology to travel between star systems. This might be some science-fiction method like warp drive, jump drive, peanut butter drive, hyperspace drive or whatever, ...
33
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11answers
10k views

Why are low gravity humans depicted as TALL?

I totally get why humans who have colonised a low gravity environment (Mars or an asteroid, for instance) are skinny. Muscles doing less work, square cube law, force output of a muscle proportional to ...
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3answers
500 views

How could water breathing animals have a warm-blooded level of metabolism?

In the popular merfolk topic, I always use the model of marine mammals, not water-breathing fish-like animals. They breathe air, that turbo-charged 20% oxygen fluid that enables the scale of ...