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Q&A

Posts tagged time

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Q&A How do I calculate solar altitude and hour angle from the surface of another planet?

I'm trying to calculate the solar declination at the solstices, solar altitude at solar noon, and hour angles at sunrise and sunset to build a standing stone calendar at latitude 53.8 degrees South...

1 answer  ·  posted 6y ago by Rúnatál Davino‭  ·  last activity 6y ago by Rúnatál Davino‭

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Q&A How do you capture this magical critter?

[Critter's descriptions] (D1) appearance closely resembles a cat (D2) no bigger than a dog (D3) toothless (D4) strange claws to climb any surfaces (D5) powerful hind legs can sprint like a cheeta...

11 answers  ·  posted 9y ago by user6760‭  ·  last activity 6y ago by user6760‭

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Q&A A place from which one could watch time outside move faster

Please reality check my place from which one could watch time outside move faster... A space station constantly moving at near light speed. The space station is created by a race with superior te...

5 answers  ·  posted 6y ago by Len‭  ·  last activity 6y ago by Len‭

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Q&A How could it be possible to exert gravity without mass?

Some of what I read in How could a 4D organism influence events in our world made me think in a different direction about a question I asked before. I'm trying to create a large sphere shaped fiel...

6 answers  ·  posted 6y ago by Len‭  ·  last activity 6y ago by Len‭

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Q&A Observing the age of the Universe when orbiting a black hole

Imagine a civilization developing on Planet X that is orbiting a black hole (or a similar gravitationally massive object). Given the time dilation near such a massive object, do the inhabitants of ...

4 answers  ·  posted 7y ago by Klangen‭  ·  last activity 6y ago by Klangen‭

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Q&A What would organisms be like in four physical dimensions?

In this question, I asked about a matter-filled 4-spatial-dimensional universe, with a gross structure defined by my own answer to that question. Then, in this question, I asked about what the per...

2 answers  ·  posted 8y ago by Monty Wild‭  ·  last activity 6y ago by Monty Wild‭

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Q&A Can time dilation happen in a higher dimensional space or inside a wormhole?

A wormhole usually helps us to create a shortcut to a distant object through a higher dimensional space. Can the time factor in that higher dimensional space differ from our three-dimensional spac...

2 answers  ·  posted 6y ago by Peaceman‭  ·  last activity 6y ago by Peaceman‭

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Q&A (Please Someone Explain) Is time travel using wormhole as portals possible logically?

I am working on a story and came up with a doubt regarding an explanation given for time travel using wormholes as portals. The below given is taken from Wikipedia link: https://en.m.wikipedia.org...

6 answers  ·  posted 6y ago by Peaceman‭  ·  last activity 6y ago by Peaceman‭

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Q&A How broken would my jPhone be if I traveled back in time 24 hours?

I have a character who ends up jumping backwards in time by 24 hours. Essentially nothing else changes, but the character has their jPhone in their pocket at the time of the jump. How functional sh...

4 answers  ·  posted 6y ago by Dubukay‭  ·  last activity 6y ago by Dubukay‭

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Q&A Year marking astronomical event with extreme perihelion precession

For us earthlings, the concept of "year" came from the observation that the Sun reaches a minimum and a maximum span in the rise-set path in the sky. On a planet experiencing extreme perihelion p...

1 answer  ·  posted 6y ago by L.Dutch - Reinstate Monica‭  ·  last activity 6y ago by L.Dutch - Reinstate Monica‭

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Q&A How long does it take for an eclipse to cause the ocean surface to freeze?

I am working with a story. I wish to make my story somewhat logical by adding some science and thereby not making it to appear fantasy. This story is on a fictional planet far away from Earth. Let...

2 answers  ·  posted 6y ago by Peaceman‭  ·  last activity 6y ago by Peaceman‭

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Q&A Reasons for time dilation to happen on a habitable planet with same g force and not orbiting a black hole

I wish to clarify my doubts regarding time dilation Is it possible for a planet to be habitable like Edmund's planet from interstellar, which has somewhat similar gravitational force as Earth (9....

4 answers  ·  posted 6y ago by Peaceman‭  ·  last activity 6y ago by Peaceman‭

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Q&A Are there any ways to allow some form of FTL travel without allowing time travel?

Faster than light travel is a really cool thing to have in sci-fi settings. It allows humans, in relatable time scales, to travel the galaxy and see a variety of worlds. It allows for conflicts spa...

9 answers  ·  posted 7y ago by ckersch‭  ·  last activity 6y ago by ckersch‭

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Rigorous Science Where to place my space-station so it observes one full planetary revolution per 24 hours?

For a SciFi project I work on I have a space-station orbiting earth that uses an 8 hour 3 shift system for its staff. Each shift is assigned to one-third of the countries and organizations on earth...

11 answers  ·  posted 6y ago by dot_Sp0T‭  ·  last activity 6y ago by dot_Sp0T‭

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Q&A Interactions with higher dimensions

I was reading Flatland, and the thought occurred to me that interaction between an n-dimensional being and a n+1+-dimensional being may not only be difficult but dangerous, that Flatland contains e...

3 answers  ·  posted 9y ago by Monty Wild‭  ·  last activity 6y ago by Monty Wild‭

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Q&A Binary star system, What time is it?

You are native to a planet that falls between two suns, thus ensuring eternal sunshine. How would we be able to tell the time? Do you formulate some kind of system based on which sun is in the sky...

9 answers  ·  posted 6y ago by ultorian‭  ·  last activity 6y ago by ultorian‭

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Q&A Faster time for humans compared to (more advanced) intergalactic civilizations

This is my first post, I apologize in advance if my English is not accurate, it is not my first language. My question is: in a world where very advanced civilizations have achieved intergalactic t...

3 answers  ·  posted 6y ago by Davide42‭  ·  last activity 6y ago by Davide42‭

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Q&A The 372-Day Calendar

There seems to be a connection between orbital revolution (one year) and distance from the star the body orbits. For example, Earth orbits the sun at a distance of 93 million miles and completes o...

1 answer  ·  posted 6y ago by JohnWDailey‭  ·  last activity 6y ago by JohnWDailey‭

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Q&A Does time dilatation make travelling close to the speed of light redundant?

I find time dilation confusing so I'm not sure if it is a relevant factor. Lets say you have a spaceship. There's no such thing as faster than light travel, but you do have inertial dampener techn...

3 answers  ·  posted 6y ago by Lorry Laurence mcLarry‭  ·  last activity 6y ago by Lorry Laurence mcLarry‭

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Q&A How can it be bigger on the inside

We have these "magical" items everywhere in fiction; from the classic rabbit coming out of a hat illusion, to the TARDIS from Doctor Who, to Newest Magical Beast Newt Scamander Briefcase. These ite...

5 answers  ·  posted 7y ago by Hariz Rizki‭  ·  last activity 6y ago by Hariz Rizki‭

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Q&A Is there any feasible real sounding science sci-fi explanation for a chronovisor?

What would be able to explain a visor like device that can see the past or future? I'm trying to make it as little as clarketech as possible. Any ideas?

6 answers  ·  posted 6y ago by Max‭  ·  last activity 6y ago by Max‭

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Q&A Could you have more than one building in the same spot by "stacking" them in 4th dimensional space?

In my universe a 4th SPACIAL dimension exists around our 3 dimensions. I'm playing with ideas for a society that has access to a 4th spacial dimension and am currently thinking of what they would b...

9 answers  ·  posted 6y ago by AJ D.‭  ·  last activity 6y ago by AJ D.‭

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Q&A 4D Digestive System Structure

Note: I'm talking about a fourth spatial dimension. As far as I can tell, a 2 dimensional creature has one possible digestive system structure; have a cavity inside its body connected to the outsi...

2 answers  ·  posted 6y ago by Alex Binnard‭  ·  last activity 6y ago by Alex Binnard‭

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Q&A Could time dilation cause unwanted structural effects?

I'm working on a science fiction story involving starships travelling about 95% of the speed of light. I wanted to have a reason for the starships to need to shield themselves against time dilation...

3 answers  ·  posted 6y ago by Laharon‭  ·  last activity 6y ago by Laharon‭

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Q&A Is there any Rubber/Latex source that could have been used by Europeans prior to the discovery of the Americas?

I was imagining a scenario where an 21st century engineer accidentally finds himself transported through time to early Renaissance Europe. Realizing that no help or rescue is on the way, he decides...

4 answers  ·  posted 6y ago by Redbud201‭  ·  last activity 6y ago by Redbud201‭

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Q&A How to keep water out of a trench civilization

In my world there is a neolithic civilization of people who inhabit earthen trenches. The people first soften the earth with ... fluids ... and dig out 6 - 12 foot deep trench systems that extend o...

6 answers  ·  posted 7y ago by System‭  ·  last activity 6y ago by System‭

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Q&A Time travel and random events

Suppose we have a Branching Timeline paradigm, in which time travel into the past creates a new timeline. Is it fair to assume that any probabalistic events which might occur might be very differe...

4 answers  ·  posted 7y ago by danl‭  ·  last activity 7y ago by danl‭

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Q&A What is the ideal time period for 'forgotten history' novels/stories to take place and still end up with our history?

In novels (SF and FF) that hint at being earlier in Earth's history, such as Lord of the Rings and The Wheel of Time, in which period would such a story need to take place to plausibly and realisti...

10 answers  ·  posted 9y ago by DriesDP‭  ·  last activity 7y ago by DriesDP‭

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Q&A What happens at the interface between two universes with opposite thermodynamic arrows of time?

I saw this old closed question on Physics.SE and thought it would be perfect for here. The original author is long gone, so I thought I'll just have to post it myself. We can consider factors of p...

5 answers  ·  posted 8y ago by JDługosz‭  ·  last activity 7y ago by JDługosz‭

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Q&A Smaller Planet But Similar Time Structure

So I'm not sure this is possible but I was hoping someone might be able to figure out a way for it to work. My planet is smaller than earth. I'd say about 75% the size. However for plot reasons, I...

1 answer  ·  posted 7y ago by Olandir‭  ·  last activity 7y ago by Olandir‭

Question planets time
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Q&A What would happen to landfills if abandoned for many years?

So it's plausible that any planetary civilizations (alien or human) may have landfills. It is also natural to think that many planetary civilizations would die out, or migrate away from a planet. S...

1 answer  ·  posted 7y ago by John Watmuff‭  ·  last activity 7y ago by John Watmuff‭

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Q&A How to realistically build a time machine?

In 1890's H.G. Wells famously takes a "science fiction" approach to time travel by building a machine that can move freely through time as a dimension. It was made of clockwork "” mechanical gears...

5 answers  ·  posted 7y ago by JDługosz‭  ·  last activity 7y ago by JDługosz‭

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Q&A How would time dilation by one character affect other characters in the same system?

I am in the midst of writing a book wherein one of my characters (Let's call her X) can affect spacetime, mostly by causing time to dilate. My character is earthbound and a shadow organization di...

5 answers  ·  posted 7y ago by Kshitij Naithani‭  ·  last activity 7y ago by Kshitij Naithani‭

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Q&A The Key For a Longer-Lasting, Steampunkier Industrial Revolution

From 359 to 298 million years ago, the "Carboniferous Coal Swamps" dominated the continents. It was the Carboniferous coal itself that sparked one of the greatest watersheds in human history--th...

2 answers  ·  posted 7y ago by JohnWDailey‭  ·  last activity 7y ago by JohnWDailey‭

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Q&A Helping the Soviets to win the race to the moon

Because of an error in the interpretation of the Mayan calendar I just discovered, I know now that Earth will be destroyed on March 13, 2021 at 11 o'clock in the morning, time zone of Palenque. I ...

7 answers  ·  posted 7y ago by Ginasius‭  ·  last activity 7y ago by Ginasius‭

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Q&A Would it be possible for there to be a life form that has a time symmetric life cycle?

All known life forms have life cycles that are not time symmetric as they look different when time is reversed. I was wondering if there could be a life form that would have a life cycle that wou...

1 answer  ·  posted 8y ago by Anders Gustafson‭  ·  last activity 7y ago by Anders Gustafson‭

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Q&A Will This Violate Causality?

Okay, so I have a sci-fi setting in which there is a form of FTL travel. Imagine the universe(all three/four dimensions of it) was stretched out onto the surface of a sphere. Now assume that ther...

3 answers  ·  posted 7y ago by Douglas‭  ·  last activity 7y ago by Douglas‭

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Q&A If an immortal, fabricated particle could travel FTL, would it exist in all times, or only the past relative to its present?

This seemed too scifi or hypothetical for physics, so here goes. Suppose a manipulated quark with 0 mass could travel faster than the speed of light. It's known that the faster you go, the slower...

5 answers  ·  posted 7y ago by Bango‭  ·  last activity 7y ago by Bango‭

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Q&A I'm stranded on an alien planet. How do I measure an earth year without a clock?

I just got shoved through a stargate onto a planet I don't know. I was told the gate would open again in exactly one Earth year. I wasn't carrying anything; I don't even have my watch. How do I k...

29 answers  ·  posted 8y ago by Tristan Klassen‭  ·  last activity 7y ago by Tristan Klassen‭

Question planets time
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Q&A How Would a Post-Planetary Civilization Measure Time?

Our perception of time is steeped in the rhythms of our world, and blended with the most ancient of superstitions, decrees and mathematical conveniences. Thus we have days that track our world's ro...

12 answers  ·  posted 9y ago by Serban Tanasa‭  ·  last activity 7y ago by Serban Tanasa‭

Question space culture time
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Q&A How to send a message to the past using a precognizant rabbit?

Let's say we have a wild rabbit that can see a few minutes into the future. Being a non-sentient animal, it barely registers these abilities, and largely uses it to find food, avoid predators, save...

3 answers  ·  posted 7y ago by possiblySerious‭  ·  last activity 7y ago by possiblySerious‭

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Rigorous Science Racing Around the Edge of a Black Hole

I am trying to understand the physics of an interstellar race. Say two ships are racing past a black hole as if it were a corner on a race track. One of the ships takes a hard line and comes very ...

3 answers  ·  posted 9y ago by John Watmuff‭  ·  last activity 7y ago by John Watmuff‭

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Q&A How can the more lucky friend of John Doe past-proof his travel to Versailles?

We know the depressing fate of John Doe who woke up one day in the Middle Ages, to quickly die or spend his life in a monastery. His more lucky friend Mark had a vision before being transported a...

3 answers  ·  posted 7y ago by WoJ‭  ·  last activity 7y ago by WoJ‭

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Q&A Is ignorance of time dilation effects justified?

When I was younger I learned about time dilation and since my story was (and is) set post-planet I thought many hours about how to handle it. I came to the conclusion that I could just drop it and ...

4 answers  ·  posted 7y ago by Ayutac‭  ·  last activity 7y ago by Ayutac‭

Question physics time
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Q&A Buried under the Sand: Good or Bad for technology?

So, here's the setup. Spaceship emergency lands on a habitable planet in the middle of a desert. Being a desert with decent wind movement, the ship quickly ends up being buried under the sand. A f...

4 answers  ·  posted 7y ago by Andon‭  ·  last activity 7y ago by Andon‭

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Q&A Where does the Temporal Protection Agency get its intel?

Imagine a world with time travel, got it? Good. Now imagine that time has multiple dimensions. Time has its OWN dimension of time, along which it can evolve. This is called hypertime, or "w" (As i...

5 answers  ·  posted 7y ago by Douglas‭  ·  last activity 7y ago by Douglas‭

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Q&A What would a 'bend' in space-time look like to the external observer

Judy likes coffee. Right now he is standing in the middle of the urban park sipping it. Unbeknownst to him a local phenomena occurs somewhat near: space itself bends where a lovely group of lilies...

4 answers  ·  posted 7y ago by System‭  ·  last activity 7y ago by System‭

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Q&A What happens to the space created due to wormholes?

I am working on a story which is based on space time hacking and moderation. While researching I found that a wormhole is simply a Folded time-space-as shown in demonstration below (Image credits: ...

2 answers  ·  posted 7y ago by Karan Desai‭  ·  last activity 7y ago by Karan Desai‭

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Q&A Is it possible to create a consistent timer using only gravity?

I've got a cave civilisation who have never seen the Sun, and don't have much of a concept of time. I was inspired by a Reddit post from someone with a similar situation, and like me, the OP was wo...

4 answers  ·  posted 8y ago by Lou‭  ·  last activity 7y ago by Lou‭

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Q&A Wouldn't a spaceship traveling at luminal or near light speeds come back to find earth hundreds of years in the future

If a spaceship left earth traveling at near or at light speeds (that being possible in this situation) would they not when coming back to earth, arrive many years in the future due to Einstein's th...

6 answers  ·  posted 7y ago by Cameron Leary‭  ·  last activity 7y ago by Cameron Leary‭