All Questions
Tagged with spaceships biology
18
questions
4
votes
2
answers
750
views
Spacecraft Design of a Cold-Blooded Humanoid Race
I was talking with a friend recently and he reasoned that a cold-blooded race would take longer to get to space, but survive more easily once the technology progressed enough. The rationale was that a ...
- 195
1
vote
2
answers
221
views
How fast can a cylinder spin, with a human on its inner wall, to NOT experience motion sickness?
Context
I'm working on an interstellar Ark made of a few (probably 3 to be more specific) layers of cylinders (modified O'Neil's concept), while trying to get the station to be as compact as possible. ...
- 462
-3
votes
1
answer
132
views
How long could a reasonably fit human pilot survive 5g while not using submersive solutions?
For purposes of this discussion, assume NO use of fluid immersion or increasing the pressure of the breathing gas to counteract the external pressures on the pilot, nor putting the pilot in any kind ...
- 415
1
vote
0
answers
89
views
What is the ideal composition for an organic spacecraft? [closed]
One of my interstellar confederations is going to war with another, and has decided to re-purpose the same basic technology they once used to create dyson tree (more like dyson plant-fungus) colonies ...
- 677
4
votes
1
answer
204
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 ...
- 9,673
6
votes
2
answers
246
views
Are there existing Earthly body plans that make trapezoid or hexagonal spacecraft volume efficient?
Volume efficiency is extremely important when it comes to minimising the targettable cross-section of a warship in space. Humans make pretty efficient use of spaces that are generally square or ...
- 46.4k
20
votes
7
answers
3k
views
Aquatic aliens and the effects of acceleration in space-flight
A sentient species of water-dwelling aliens achieve space-flight.
Their living quarters contain water [no free gases].
They have evolved over millions of years to regulate their buoyancy at will.
...
- 49.4k
7
votes
3
answers
435
views
killer mechanism/organism similar to rust and virus
I need a mechanism/organism similar to rust and virus, that will both impair the ship's components AND will kill crew, so the only thing left are a few lucky survivors on a crippled ship. Presumably ...
- 489
18
votes
12
answers
5k
views
Possibility of airless spaceships being used for manned space combat?
The setting I'm thinking of is in the not-so-distant future where humanity has become an interplanetary species using conventional propulsion. The solar system is largely colonized with human ...
0
votes
4
answers
505
views
Can a spinning spaceship/station impose the physiological effects of gravity on humans? [closed]
Why doesn't the ISS (International Space Station) spin to imitate Earth gravity?
I remember reading somewhere that centrifugal force isn't enough to help people avoid things like osteoporosis, etc., ...
- 11
6
votes
4
answers
243
views
Chemicals for a biorocket
A civilization is very good at bio-engineering, and I was wondering if there was any kind of chemical an organism could produce which would produce viable rocket fuel. It has to do a of couple of ...
- 3,082
19
votes
4
answers
3k
views
Would merfolk's spaceship need artificial gravity?
Imagine a spaceship constructed for merfolk and it is completely filled with oxygenated water instead of air.
Since they can swim around effortlessly in the water, do they even need artificial ...
- 48k
4
votes
3
answers
349
views
Protecting humans in prolonged high-G maneuvers
In a world where torch ships sometimes will accelerate over 10Gs for hours, maybe sometimes days on end. Is there any way to keep the crew alive and preferably fully functional in during such harsh ...
- 1,864
9
votes
8
answers
877
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-...
- 951
14
votes
4
answers
3k
views
Anatomy of a living, tree-based spaceship - What's it made from?
I've always liked living spaceships, but it seems to me that the animal kingdom would make far inferior spaceships to the plant kingdom. With that in mind, what does this tree-ship have to be made ...
- 4,747