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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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4answers
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Could 'robotic' prostheses be possible in the victorian era?

In my world I would like to have a cyborg-inspired veteran, but am not sure what kinds of prostheses would be possible, ideally without the use of electrics. My main concern is how the prostheses ...
6
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6answers
1k views

How might a purely mechanical 'voice' function?

In my world there are mechanical semi-humanoid automata. Would it be possible to make them speak in a fashion that sounds natural (i.e. human)? How might it function? The mechanism should be capable ...
2
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3answers
163 views

What kind of biological characteristic does a human being need to achieve great speeds?

In my book there is a tribe and one of the characteristics I describe is that they can achieve great speeds, something like 80km/h (50 mph) for 2 minutes approximately. How could it be?
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7answers
435 views

Noah fails his mission - what would Earth look like today and in the far future? [closed]

Assume that everything in the Bible is true up to the point when Noah built his ark and the flood came. This happened in 2348 BCE. Unfortunately the Ark was badly designed and sank almost ...
2
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1answer
113 views

Controlling Nanobots in the Bloodstream as a Form of Torture?

An oppressive government entity roughly 70 years in the future has access to elite--albeit experimental--technology. One such technology is a brain chip that allows its soldiers to control simple ...
6
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2answers
280 views

Dragon flight muscles

So, Mark Witton had a lengthy article on why paleontologists think the Quetzalcoatlus northropi could fly. One interesting thing about it is that Witton and Habib think the Quetzalcoatlus had a 90-...
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1answer
111 views

How much pneumatization is possible? [closed]

So, one of the most common theories about how dragons could maybe still fly, the living gasbag theory. Basically, most of the dragon is a cavity filled with lifting gas or air, in order to reduce its ...
3
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3answers
145 views

How could dragons run?

You already know the drill: Dragons stand 195 centimeters at the withers, normally 2,95 meters at the top of the head when standing still They can't fly They weigh: 1179 kilograms You're not allowed ...
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4answers
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Fart & Furious: flatulence as acceleration booster possible?

It's the Olympics, and it'll be one the world won't soon forget. The sprinters are in position on the starting blocks, the signal is given and the runners are off! However, one man gives off a fart so ...
4
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1answer
262 views

Would wide hips be a wiser evolutionary trait for digitigrade, biped humanoids?

I was asking a deviantART.com artist why they often draw their anthros and furries with wide hips regardless of gender, and they told me this (copypasting): "I'll see if I can't whip something up for ...
5
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2answers
152 views

What would the size constraints on my creature be?

Context This creature right here is one of the decedents of placoderms that that transitioned from rivers to land. The got onto land during the Middle Devonian and remained isolated from all other ...
6
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5answers
311 views

Why would a biped evolve into a monoped?

Say that you have a medium-sized, bipedal, vertebrate-like creature. It no longer has the need to have arms, so they atrophied until they disappeared entirely. Now imagine an animal that shares ...
1
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1answer
127 views

Biological padding?

Designing living creatures is hard, so I came up with a generalized idea to speed up the process in the future: Biological padding is a spongy structure made of spider silk and filled with either ...
6
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2answers
162 views

The Biology behind a slime that uses hydrofluoric acid to disable and digest prey.

So I've been working on a low magic world where magic is actually just another form of energy that can be actualized, similar to alchemy in Full Metal Alchemist. Although development has taken a ...
7
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4answers
145 views

Are Extraterrestrial's pagoda trees plausible?

In the National Geographic mini-series Extraterrestrial or Alien Worlds, they featured a hypothetical gas giant moon called the Blue Moon. The Blue Moon orbits a binary star, has a very dense ...
4
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1answer
114 views

Would a nictitating membrane, eyelid AND eyelashes get in each other's way in the same eye?

Or would that eye be the most well-defended from external debris and whatnot in the entire world? Cats seem to get by just fine without eyelids and a membrane but no eyelashes...likewise humans with ...
0
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4answers
219 views

What could a person able to re-arrange their muscle strength accomplish?

Suppose there is a type of person who is otherwise a normal human, but can temporarily transfer muscle strength from one part of their body to another. Whether this occurs through mutant genes, ...
5
votes
2answers
252 views

What is the best body plan to allow for giant size in a terrestrial animal?

My question is rather simple; assuming optimal atmospheric and planetary conditions, what body plan would be able to support the largest plausible land animal? To split the above question into a ...
2
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2answers
175 views

Creating a scientifically semi-valid super-soldier, part 9: Temperature control

Previous questions 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 ...
7
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4answers
277 views

Creating a scientifically semi-valid super-soldier, part 8: Communication

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-...
15
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5answers
3k views

What would be the disadvantages and advantages of having four fingers instead of five?

Animated creatures generally have four fingers (including thumbs). In a real-world context what physical possible consequences would result in having only four (or 8) fingers? Physiologically, what ...
5
votes
4answers
164 views

Using science, how could an animal achieve lift/flight by using pressure?

Say for instance we had a humanoid creature. how would they achieve flight by taking in a gas then expelling it at a greater pressure from a point on their body like the feet, back, or hands?
4
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2answers
128 views

What would be the physiological/anatomical adaptations of a 50 metre sea serpent?

In my last question, How large could my sea serpents be?, I asked what length would be a) possible and b) necessary for a whale-eating sea serpent. My sea serpent is a constricting predator* in a ...
2
votes
1answer
95 views

Feasability of having a voice modulator bioengineered into vocal chords?

I'm writing a story and I was wondering on the feasibilty of having a set of bio-engineered vocal chords that would have a voice modulator built in to help disguise the characters voice, would it be ...
8
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2answers
314 views

Are my wing-walking griffins viable?

This is the third question in a series of such for my worldbuilding project that deals with plausible fantasy creatures. Previously, I have pondered cockatrices and hydras, but now we move on to ...
2
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3answers
527 views

Creating a scientifically semi-valid super-soldier, part 7: Hearing

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-...
0
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1answer
168 views

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 ...
0
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1answer
72 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 ...
12
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6answers
365 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-...
3
votes
2answers
238 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 ...
5
votes
1answer
297 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 ...
1
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1answer
68 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 ...
5
votes
2answers
297 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-...
16
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3answers
342 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
7k 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
574 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 ...
2
votes
6answers
298 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 ...
11
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10answers
844 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 ...
11
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4answers
398 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
115 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 ...
5
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2answers
1k 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, ...
4
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5answers
310 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 ...
11
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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 ...
2
votes
4answers
210 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-...
7
votes
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. ...
7
votes
3answers
152 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, ...
2
votes
2answers
108 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
489 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
1k 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
665 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 ...