Questions tagged [vacuum]
For questions about vacuums and partial vacuums or spaces largely devoid of matter, and/or their effects.
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If directly exposed to the vacuum of space, what would be the effects on a womans reproductive system?
If directly exposed to the vacuum of space, what would be the effects on a woman’s reproductive system?
I’m doing research for a writing project with a plot point centered around the health effects of ...
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Airtight beaks?
I have a (moderately) hard sci-fi, in which there is a species (the Bethin) who are based on squids. They have the biological equivalent of a space suit for their skin, and use the mantle cavity as an ...
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What type of security measure/contingent conditions could make jumping into a portal impossible inside a laboratory?
I am writing a spy-adjacent story where one of the characters is able to open and close portals that teleport them to a set number of known locations.
There is a moment in which this character tries ...
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KBC Void Stupendously Massive "Vacuum Hydrogen" generators- How to convert the Anti-Hydrogen into Hydrogen?
So, let me get this straight right here.
According to Wikipedia:
"The KBC Void (or Local Hole) is an immense, comparatively empty
region of space,...... The underdensity is proposed to be ...
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If someone was suddenly subjected to a vacuum would they sh*t themselves?
If someone has the magical ability to make a vacuum(no or minimal matter/atmospheric pressure) on earth around someone would that person in the vacuum then sh*t their pants? If so would it have to be ...
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Tractor Beam using a vacuum cleaner?
Would a tractor beam consisting of a powerful suction force be usable as a method of grabbing targets at a maximum range of about 10yd? This is obviously only applicable when not in the vacuum of ...
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A Massive Organism Living In The Vacuum Of Space
Okay, here me out: I am designing an massive, kilometers-long at the absolute minimum, creature that lives in asteroid belts in the vacuum of space. It hosts an entire ecosystem of living things like ...
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How could people survive teleporting into the atmosphere while surrounded by vacuum?
In my planned fantasy story, the protagonists must escape a dangerous situation by teleporting the ship they're on (a kind of steam-powered ocean liner) into outer space, then back to the ocean ...
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How long would (dry) food in a glass jar survive in space?
Say you eject a jar of jerky or something through the airlock of your space ship. Does the lid pop right away due to the vacuum? Does the food get so much UV it gives you cancer? (Does that depend on ...
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Will my hull change neutralise the effects of discharging projectile weapons from a space ship? [closed]
There have been many SF stories about how to neutralise the effects of discharging projectile weapons in an enclosed spaceshp environment.
My basic solution to a 9mm or .45 inch hole is to have one or ...
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Human Eye in a Vacuum
In my short story, an astronaut is in Earth orbit doing a spacewalk in your standard variety spacesuit and is just about to enter airlock back into the ship. However, just as the airlock door finished ...
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Communications in a vacuum
We have a human, magically protected so they can function in a vacuum. How will they be able to communicate? (The closest equivalent of suit radios--except they aren't wearing a suit.)
I would think ...
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Damage caused by a bomb capable of deleting everything within a 20 meter radius
What kind of damage could a bomb that cause everything within a 20 meter radius to just vanish have within the Earth atmosphere?
I would imagine that it would create an implosion and inflict immediate ...
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Maximum survivable time in the vacuum of space for an average human being [duplicate]
Suppose my character doesn't wear any kind of protection and is an average human being and the transitions from normal atmosphere to vacuum and back are instant.
Further suppose that my character ...
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How much energy an active structure would need to be a vacuum balloon?
In this question here there is an answer telling that it would be possible to make a vacuum balloon using superconductors, however, we are nowhere close to a room-temperature superconductor.
Assuming ...
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One-man Fighter Craft Maneuverability
Looking to design a one-man fighter craft (using CGI) for space-based combat. To be at all useful in such a role the pilot must be able to turn the craft. There are three axes of rotation involved in ...
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How could hydrogen in a vacuum be removed/extracted?
What reactions or process could remove hydrogen from the vacuum without compromising it, then from there a way that animals could do it, the vacuum is in a rigid space, but hydrogen still seeps ...
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Does water in vacuum form a solid shell or freeze solid?
I'm working on a sci-fi setting which includes an aquatic space-faring species.
When a human space vessel is ruptured and depressurizes, the gas can escape rapidly and we immediately suffer from the ...
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What does air vanishing on contact sound like?
I'm about to break rule seven of superpowers: don't think too hard about what it does to the air.
A superhero has the ability to disappear any atoms that come within 2 cm of their skin (atoms that ...
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Plants accidentally exposed to vacuum of space - Will the settlers save them on time?
A newly-built base on the moon has the first two compartments of a pressurized greenhouse farm. An airlock system automatically seals one compartment off the others when pressure sensors indicate a ...
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Weaponising Implosion instead of Explosion
Explosions are really messy - they cause debris to be spread over a wide area. They may also cause collateral damage. I want to use implosion instead.
I wish to use a force-field sphere that contains ...
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Importing Space for Sale in Cans - How to remove the smell? [closed]
My company wants to sell novelty cans (or other containers) of genuine space from various places in the Galaxy but unfortunately space smells - see the following expert's statement.
"Louis ...
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Effects of Explosive Decompression on the Human Body?
Many science fiction stories, movies, and shows involve characters undergoing explosive decompression, the technical term for a rapid drop in pressure, usually all the way to a vacuum. Frequently, ...
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Is it possible to "Smell" in Space? Viable Equivalents?
I am currently creating a Spacefaring Race that regularly travels between planetary systems in order to harvest resources, but due to the fact that the conditions required for them to Breed are fairly ...
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What does the physiology and biochemistry of a vacuum adapted post-human look like? Part 5: Senses
I am a post-human adapted for permanent life in vacuum and micro-gravity. How might my physiology and biochemistry overcome the following challenges?
Please note I have a strong cultural aversion to ...
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What does the physiology and biochemistry of a vacuum adapted post-human look like? Part 4: Movement
I am a post-human adapted for permanent life in vacuum and micro-gravity. How might my physiology and biochemistry overcome the following challenges?
Please note I have a strong cultural aversion to ...
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What does the physiology and biochemistry of a vacuum adapted post-human look like? Part 3: Metabolism
I am a post-human adapted for permanent life in vacuum and micro-gravity. How might my physiology and biochemistry overcome the following challenges?
Please note I have a strong cultural aversion to ...
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What does the physiology and biochemistry of a vacuum adapted post-human look like? Part 2: Temperature control
I am a post-human adapted for permanent life in vacuum and micro-gravity. How might my physiology and biochemistry overcome the following challenges?
Please note I have a strong cultural aversion to ...
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What does the physiology and biochemistry of a vacuum adapted post-human look like? Part 1: Radiation resistance
I am a post-human adapted for permanent life in vacuum and micro-gravity. How might my physiology and biochemistry overcome the following challenges?
Please note I have a strong cultural aversion to ...
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Vacuum Rated Sharpie Or Dry Erase Marker/Board?
Would it be possible to make a sharpie or a dry-erase marker that would work in a vacuum? Would they already work? To that end could you make a dry erase board or some such?
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A very small part of an office building is gone, leaving vacuum. How does this affect its surroundings?
A small perfect sphere is suddenly gone. Everything inside is teleported somewhere -- through space or even maybe through time, we're not sure. It's a small sphere, just enough to fit a human sitting ...
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Safety equipment to survive decompression
In the future, space travel is common, so common, in fact, that commercial transport is available to most people, like air travel is to us.
As a passenger on a vessel of Galactic Spacelines, half way ...
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What would happen to an airplane in space?
What would happen to an airplane in space? Or to be more specific, would anything interesting happen to the plane itself, and would the passengers and crew be able to survive for longer than a few ...
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What are the climatological effects to the surface of a planet where the atmosphere gives way to vaccum? (diagram included)
(Please see diagrams)
This is a question regarding an area of a Rocheworld scenario that I haven't found anything on.
It is suggested that the OUT side of a planet that is tidally locked with another ...
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Can a laser in outer space really appear as visible "bullets"?
Inspired by Star Wars and other sci-fi space series, we often see their ships shooting lasers as a "big needle", shot three or four times consecutively to perform a volley of laser fire, similar to ...
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How Long Would It Take to Die In a Vacuum With Access to Oxygen? [closed]
You've just been thrown out of the airlock with out a spacesuit. However, you do happen to be wearing a SCUBA style breathing apparatus. How long would the vacuum take to kill you, even though you ...
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Using EM noise + computers to simulate sound in the cockpit
I had a fun idea for a space simulator game I'm working on from a lore standpoint. We all know that there is no sound in space due to it being a vacuum. The lack of sound would probably leave pilots (...
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Could moon landing works with vacuum tube technology alone?
Before silicon computer we used the vacuum tube in place of transistor, the computers then were extremely bulky and took up a lot of spaces. Would it be possible for a team of researchers and ...
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Build a vactrain time-machine
Context
According to relativity law, it is possible to travel into the future approaching the speed of light.
For the 2nd Newton's Law of motion, in absence of friction (or opposite force), we can ...
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What would happen if all dark energy instantly converted to radiation due to vacuum metastability event?
What would happen if all dark energy (cosmological constant) instantly converted to radiation due to vacuum metastability event, while otherwise vacuum properties remain the same?
Dark energy density ...
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Could the principle of the zero point energy universe be used for infinite energy?
My understanding of the hypothesis is somewhat hazy, so I probably have gotten something wrong.
But as I understand it, the total energy density of the universe is either very small or exactly zero, ...
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Effects of being briefly exposed to a zero air pressure environment
Assume that a person is shielded by magic. The only thing this magic does is to keep air away from that person (ignore for now any consequences to said unfortunate individual). Aside from this, the ...
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Opening the Windows, In Space
I recently envisioned a fight scene in which the three main characters are in a bar on a spaceship when about a dozen space marines ambush them. They take cover behind the bar, but without weapons or ...
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If our universe nucleated into a lower energy state without completely annihilating us all what could be the effects of changes in physical constants? [closed]
If our universe is in a state of false vacuum, and if it tunnels into a lower energy state, the most probable scenario is that all know particles and forces would be completely transformed which would ...
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Could a plant be engineered to live in a vacuum?
Could an artificial plant species be designed and created that lives in a vacuum - for example on the surface of our moon?
The main problems I can see immediately would be the lack of an atmosphere ...
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