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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2
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4answers
287 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-...
8
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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
207 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
129 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
951 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 ...
5
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3answers
4k 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 ...
5
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3answers
741 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 ...
4
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3answers
432 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
177 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 ...
1
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1answer
57 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 ...
1
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1answer
356 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 ...
3
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5answers
494 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
343 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
218 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
112 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
193 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 ...
3
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2answers
652 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
2k 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] ...
8
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8answers
581 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-...
13
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4answers
557 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
309 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, ...
3
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3answers
246 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 ...
3
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2answers
621 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
712 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
156 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 ...
7
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3answers
609 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 ...
23
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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,...
35
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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
716 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
192 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 ...
36
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11answers
8k 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, ...
34
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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 ...
8
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3answers
575 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 ...
13
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11answers
2k views

Why would a body plan with multiple eating mouths evolve?

Aside from very simple or colonial organisms, all animals on Earth have only one mouth for eating. Many organisms have multiple spiracles or even multiple anuses, but not mouths.
3
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2answers
409 views

How plausible are my metal eating life forms and their impact on civilization?

This question is a continuation of two prior ones. How to render much of a world's metal unusable? What minerals and metals in particular were vital to the development of early civilization? The ...
3
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2answers
259 views

How can a jet-propelled horse work?

I was reading more Laundry stories and just went through Equoid. The humorous "Procurement Specification" got me thinking. In a rational SF approach (as opposed to magic), imagine a civilization ...
4
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4answers
249 views

Mind-reading technology

I'm attempting to figure out the easiest way to connect a human brain to a machine, in order to implement Immersive Reality. Constraints are below: Read all user movements, and prevent the ...
6
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1answer
155 views

Is there a biochemical that can change color AND emit light?

I have a group of settlers that live on top of an animal, and I want his skin to be their mode of communication. In the morning, information is transmitted through chromataphores in the skin changing ...
15
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7answers
1k views

Where would a “Magic gland” go for full-body saturation of magic?

If there were some organ, akin to the liver or a gland (I'm blanking on organ functions right now), that produces magical energy to project through the body, its various vessels, and directly out of ...
5
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4answers
561 views

Controlling Lab-Grown Limbs

It's not hard to imagine genetical engineering getting to the point where we can grow extra limbs, or design animals/animal parts from scratch. I was wondering how we could integrate custom designed ...
38
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8answers
9k views

How to modify the human eye to see into the ultraviolet and infrared bands?

If I'm writing a sci-fi story and I wanted to include humans with modified eyesight that see into the ultraviolet and infrared bands of the electromagnetic spectrum, what would I have to change about ...
13
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3answers
634 views

Pharbohydrates vs Carbohydrates

Question: Are there are any serious biological or evolutionary plausibility issues with separating the energy storage/production function from the production of structural/regulatory biomass? ...
8
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3answers
934 views

Stationary eye with moving pupil, is it possible?

I am making a sci-fi web-comic set on an alien world and I thought up an idea for an eye that works much like an eye from a mammal, but instead of moving the whole eye, only the pupil moves. This idea ...
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6answers
2k views

Is there any reason centaurs can't fit their own horseshoes?

Since the invention of hard road surfaces, a centaur would need to wear metal shoes like any other horse-like creature. Can you see any barrier to a suitably qualified centaur (a) being a ...
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5answers
1k views

Humans with 360 Degree Vision across IR, Visible, UV and XRay?

Wearable and implantable technologies are increasingly blurring the line between natural and augmented reality. Currently, our commercially available computer-aided vision systems for the blind are ...
6
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1answer
449 views

Nanobots Ecosystem, is it possible?

The Settings: A pod of nanobots stranded on earth-like barren planet orbiting sun-like star. Assume no life form has formed on the planet, and nanobots popuate the planet. Could they evolve complex ...
3
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1answer
312 views

running like a girl on the moon?

The other day I was watching my 8 year old grand-daughter run on the playground. She was running like a girl - like Jackie Joiner-Kersey to be precise. It appeared that her form was perfect - that ...
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3answers
1k views

Could a Species Use Tools (and Build a Civilization) Without Thumbs?

If humans were to vanish completely from the Earth rapture-style, other primates would possibly slowly evolve and eventually take our place (in a few million years?), since they have both the basic ...

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