Posts tagged travel
Earth, far future: We built multi generation ship which can get 20 000 people to another solar system in next 20 generations (600 years) For scope of this question assume that ship itself is well ...
I am building a habitable, Earth like planet, but instead of it being in a solar system, it is inside a Nebula. The actual composition of the Nebula is uncertain at this point, but I am considerin...
Because who needs a space craft? Picture this: While performing a routine spacewalk, outside your small, 1- man space pod, a fault in the propulsion system controls causes the pod to explode, laun...
When I asked my previous question about love on multi generation ship, I left blank the where are the people going. Simply because I do not know. Now I am in search of software which would ease s...
This question is closely related to, but more specific, than the question/comment that inspired it: Could a modern times time traveler produce an antibiotic in medieval times?. Imagine a person is...
A character of my story is in the following situation: He is in the middle of a forest and has lost his way out. He wants to be sure to keep straight on and not to move in a circle. He has no co...
The year is 2020, and an organization known as Helios successfully settles a colony of 200 people on the moon. The colony is self sustaining and is mainly a research center, with most of its resid...
I have a large rotating (think wagonwheel) portion of a space-craft that, at the hub, connects to a non-rotating scientific research station. Imagine a football (soccer) field sized research and l...
Guilty pleasure: I just returned from one tinfoil-hat type of internet pages which suggests that we are being visited by Aliens who live on Venus. The fact, that we have only pictures from the grou...
To avoid being too broad, I'd like to use the portals for purely altruistic purposes (health, environment, safety), and not for scientific or military acheivement (e.g. - not an instant space eleva...
The human race has colonized the solar system with permanent settlements on all of the inner planets and outposts beyond. Vast space stations pepper the voids between orbits and massive mining/ref...
For a science fiction novel I'm currently writing... The spacecraft in question is based in the asteroid belt and is not designed to approach a planet. The ship has an offensive/defensive capabil...
All of the launched human habitable space stations in orbit around Earth (such as the International Space Station, are very spindly and brittle as of current day. In a idea I'm contemplating that ...
In a civilisation similar to humans (although not necessarily humanoid) living on a planet the size of Earth, could the whole civilisation (no limits on size, although I was thinking a few thousand...
If you've read Chronicles of Ancient Darkness, you might get the reference. In that story, the protagonists, after fulfilling their duty, decide to journey over a large mountain chain to explore t...
What would be required for a generation space ship to give residents the best possible living situation while still using the least amount of space, given the possibilities to have access to common...
Supposed we have a ship travelling at the speed of light, or very close to it, or over. A second ship is travelling behind it at the same speed. The second ship wishes to communicate something ...
Researchers create a sonic tractor beam By Hanae Armitage 27 October 2015 1:00 pm Using a simple set of loudspeakers, scientists have figured out a way to levitate and rotate object...
I first was thinking centripetal force on a circular ship, but performing external maintenance would be extremely difficult due to the force pushing the person or robot off. Would a spherical ves...
Can non-intelligent life forms evolve to leave their home planet and travel in interplanetary space, for instance, grow on atmosphereless icy moons and transfere spores over interplanetary space?
Question is ultimately asking why would we do this? A few parameters first... Technological: Our current knowledge of physics is correct and there is no such thing as faster than light travel, ...
An ancient civilization mapped wormholes when the universe was quite young and smaller. This allowed them to reach other galaxies (wormholes from our galaxy to others). They mapped it all. Humans ...
Lets pretend that Mars was a bit larger, so the gravity could hold on to the water and possible atmosphere, and then play along with the accidents that happened on earth happened at a similar tact....
Please note for this, assume technology is being used for their creation, not any kind of space major or anything. Edit: Removed the ability to do so within systems without having generators on b...
Researching efficient methods of no-FTL methods often turns up engine solutions that are efficient in the sense that they have a higher specific impulse, but most such solutions seem to have a comp...
Assuming fission thrusters as described here: Would a nuclear fission thruster with continuous fuel injection be possible?, and assuming drilling for the planet's molten mettle core as discussed he...
Centuries ago, humanity have been incorporated into an alien hive mind, spread by a bacterial-like infection. The "bacteria" infects the blood and brain and allows the infected to join their minds ...
Question inspired by movies Minority Report and Her The year is 2050, USA: The future is "realistically optimistic": We, the humans, have steady progress in computers and AI: We use wearable AI, w...
A class F star (1.4 times the mass of the sun — it has to go supernova) is expanding into the red giant phrase. Its Earth-like planet, with life on it, has slowly been pushed out of orbit as it exp...
This was spawned from this question about Blueshifting (BS) when traveling near the speed of light. I had found this while learning about the other question. @99.99995 percent c And interes...
As far as I understand, when you fuse deuterium (H-2) and tritium (h-3), you get a helium atom and a spare neutron. Basically alpha-rays? Now alpha rays are easily blocked by matter. You can block ...
I envisioned this method of maintaining breathable oxygen. So each ship would have these gardens generating oxygen like the plants on Earth do. How plausible is this and how would it likely work?
Kaylee is a mechanic on a Generational ship. The ship has several means for propulsion and has a plotted course that goes from star to star, molecular cloud to molecular cloud. It has a Bussard Ram...
In the future a major problem arose: a habit spread among the astronauts to make political statements upon landing on a new celestial body, often the statements were unpleasant to their government....
A staple of fantasy involving time travel is the hero (or heroine) zipping off into the future and then meeting a future lover with whom they go on to have wacky time-based adventures before presum...
How much would the gravitational force (on earth) have to increase to make air-travel impractical (not impossible as escape by space flight to other planets would be a nice option). But to a point ...
Major Camila de Ocampo, "La Comandante", wakes with a start. As she's been trained to do when coming out of stasis, she flexes each muscle, beginning with her toes until she finally finishes by rai...
Definitions: Slip Space - The area of space separating planes of the universe. Think of the universe as a flat piece of paper. Now imagine this flat piece of paper wrapped into a spherical ball. T...
I'm writing a very nontechnical science fantasy with a star-ship (literally a giant spacecraft toting around a star) in stable orbit around a black hole. It uses one of the "stellar engines" mentio...
In this setting, humanity has advanced to the technological capability of extra stellar travel via faster-than-light drives. However, due to distances between inhabited areas being extremely large,...
I was wondering if there is a realistic way that one can "travel" to the future, using today's technology. Two scenarios I have thought of: An individual is put under cryogenic freezing and then ...
My answer to this question essentially came down to the pilot being in a sphere with anything large jutting out of it. Some of the arguments made against me I feel are true if we assume fights like...
Considering a distant future where mankind has spread and inhabits lots of star systems. Would there be a justification for inter-system trade or exchanges ? FTL travel may be considered, but with ...
Earth is dying. We mis-managed it and brought the whole ecosystem to the edge of total collapse. About 50 years ago, we decided to move humankind to another planet, and now we are almost ready. A ...
A recent question concerning generation ships made me come up with a rather original alternative in my answer. It was pointed out that the concept of embryo space colonization has already been thou...
I have a fictional technology in my world that involves being able to create "tubes of compressed space" -- essentially, you have two stations and a (straight or curved) line of space between them ...
TL;DR then scroll down, genius This question is set in a planet with a human population, about the size of Earth with earth-like formations, that has appropriate lifeforms to the conditions follow...
A frog has already been levitated without any magnetic object attached to it. I'm wondering if it's possible to reverse this for transportation purposes, by having a vehicle levitate itself using m...
On earth, we use a simple but effective coordinate system which determines position unambiguously on the surface (GPS achieving accuracy within 1 meter, which speaking as an engineer, is a remarkab...
I was wondering what would happen if you attach 2 Huge ion engines(I mean really really really huge) to planet earth. They should be attached on the north and south poles. Are 2 huge ion engines ...
