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Q&A

Posts tagged time

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Q&A Could complex Precambrian life be possible?

I have a really good question. Could it be possible for complex life to have existed in the Precambrian? I'm aware that only the fossilized remains of bacteria have been discovered from that time p...

1 answer  ·  posted 2y ago by Daikyu Maryu‭  ·  last activity 2y ago by Daikyu Maryu‭

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Q&A Could Sharks Survive a Longer PETM?

First things first, a little backstory: Sometime between the Paleocene and Eocene epochs, there was a mysterious, sudden, dramatic rise in global temperature. This moment in time was known as the...

1 answer  ·  posted 2y ago by JohnWDailey‭  ·  last activity 2y ago by JohnWDailey‭

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Q&A Could aliens from beyond the singularity of a rotating black hole survive and colonise regions of a normal universe?

Would it be possible for aliens that originated and evolved in a planetary system beyond the ring singularity of a rotating black hole to send individuals out into a normal universe to colonise it?...

2 answers  ·  posted 2y ago by Ichthys King‭  ·  last activity 2y ago by Ichthys King‭

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Q&A Would a civilization living on a planet without a moon still come up with the concept of months?

We divide the year into months of ~30 days because that's roughly the period of the moon, adapted to fit a solar year. However, would a civilization living on a world with no moon but a year of ~3...

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

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Q&A What does a timeflow-doubled superhero see?

I was just bitten by a radioactive stopwatch, gaining the voluntary ability to experience time at twice the usual rate. While doing so, for every second of real time, two seconds occur within my bo...

2 answers  ·  posted 2y ago by Foo Bar‭  ·  last activity 2y ago by Foo Bar‭

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Q&A Durability of materials in ideal conditions

How long can objects made of hard material last at room temperature in otherwise ideal conditions? If left outdoors on Earth, over the course of millions of years, any material will be eroded by w...

2 answers  ·  posted 2y ago by rwallace‭  ·  last activity 2y ago by rwallace‭

Question time materials
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Q&A How do I calculate the total time dilation experienced by an accelerating ship?

My advanced human civilisation often has high-acceleration ships travelling at near lightspeed. I know that time dilation would have a significant effect on the time experienced by the crews, but I...

1 answer  ·  posted 2y ago by Starsong67‭  ·  last activity 2y ago by Starsong67‭

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Q&A Time reversal by the means of lightspeed

In Star Trek, going faster then light will take you back in time (Possibly in real life too!). But I've noticed one inconsistency. Ships, even when going faster then light, have a finite speed. By ...

1 answer  ·  posted 2y ago by El El‭  ·  last activity 2y ago by El El‭

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Q&A How Different Would the Outcome of the Fall of the Dinosaur Empire Be if Chicxulub Hit at a Different Season?

After 150 million years, the most successful empire in the history of Planet Earth finally collapsed 66 million years ago. A five-mile-wide space bomb--there's still disagreement as to whether it ...

1 answer  ·  posted 2y ago by JohnWDailey‭  ·  last activity 2y ago by JohnWDailey‭

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Q&A Epidemic friendly time traveller

My time traveller from the distant future is about to get stranded back in time, but realises that by travelling back a short time, maybe 100000 years, he is going to leave a trail of destruction b...

3 answers  ·  posted 2y ago by pjp‭  ·  last activity 2y ago by pjp‭

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Q&A Would a single solar system be able to come up with a main time system?

I have a solar system containing multiple planets, most having an intelligent species inhabiting it. To keep a common peace, they created a large government system to help stop territorial wars bet...

9 answers  ·  posted 2y ago by Aesin‭  ·  last activity 2y ago by Aesin‭

Question space time
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Q&A How Would a Continental Landmass Sink?

Atlantis is real. It's just that there's more than one of them, and none of them are actually called "Atlantis". Instead, they consist from the Kerguelen Plateau in the Indian Ocean to Zealandia,...

1 answer  ·  posted 2y ago by JohnWDailey‭  ·  last activity 2y ago by JohnWDailey‭

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Q&A Schwarzschild Metric in a universe with the same space time metric as that described in the orthogonal series, but with massive gravitons?

The universe described in the orthogonal series http://www.gregegan.net/ORTHOGONAL/00/PM.html is one, in which the minus sign in the space time interval is replaced with a plus sign. So this unive...

1 answer  ·  posted 3y ago by Anders Gustafson‭  ·  last activity 3y ago by Anders Gustafson‭

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Q&A A Nonlethal Time Dilation Field

I want a way to enclose an area (building-sized and on Earth, let's say) in a field that warps spacetime so that time appears to pass 100x slower within it. You don't need to explain how the field ...

10 answers  ·  posted 3y ago by Gilad M‭  ·  last activity 3y ago by Gilad M‭

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Q&A An alien race without the concept of "time"

In my narrative I have these aliens that don't experience time, they don't remember and don't predict events, which makes them completely reactionary. This is supposed to make them alien and diffic...

5 answers  ·  posted 3y ago by System‭  ·  last activity 3y ago by System‭

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Q&A Flipped over through fourth dimension. When do I start to notice biological problems?

In the middle of the night, while J. Random Human is sleeping, A. Hypersphere picks him hyper-up extremely carefully (so that none of his matter falls out in a direction he doesn't have), flips him...

6 answers  ·  posted 4y ago by notovny‭  ·  last activity 3y ago by notovny‭

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Q&A How could two alternate realities "blend" at a single point in space time?

From: https://en.wikipedia.org/wiki/Multiverse The multiverse (or meta-universe) is a hypothetical set of various possible universes including the universe which we live in. Together, these u...

10 answers  ·  posted 5y ago by Len‭  ·  last activity 3y ago by Len‭

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Q&A How would wormholes and teleportation affect the passage of time?

Time is not a constant, Albert Einstein proved that much. Time dilation is a difference in the elapsed time measured by two clocks, either due to them having a velocity relative to each other, or b...

2 answers  ·  posted 3y ago by System‭  ·  last activity 3y ago by System‭

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Q&A Formula for send and response times of messages at fraction of light speed?

I have a ship that begins the equation traveling at 50 percent the speed of light, but decelerating constantly to finally land on a certain planet (towards which it is moving the entire time). It b...

2 answers  ·  posted 3y ago by Jesse Tate‭  ·  last activity 3y ago by Jesse Tate‭

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Q&A Overclocking VR

Set in the immediate future, social network evolves with the advancement of 10G network and a major breakthrough in medicine. Giant tech companies raced to develop state of the art VR technology wh...

2 answers  ·  posted 3y ago by user6760‭  ·  last activity 3y ago by user6760‭

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Q&A How to get time to pass faster on another planet compared to earth?

I'm developing a story where humans colonize a few planets. One planet, lets call it Planet A, has similar gravity to earth, air pressure, and solar radiation. You cannot however, walk on the surf...

3 answers  ·  posted 3y ago by whn‭  ·  last activity 3y ago by whn‭

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Q&A What would it take to make a scientific second equal exactly one traditional second?

A scientist is resetting the clock on his microwave one day as he considers the hopelessness of keeping the time exactly right. Not for the reasons we worry about like power outages and daylight s...

4 answers  ·  posted 3y ago by Nosajimiki - Reinstate Monica‭  ·  last activity 3y ago by Nosajimiki - Reinstate Monica‭

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Q&A Pinniped Creodonts

Here is all you need to know about the creodonts: They were a group of carnivorous mammals that, despite having carnassials, had no relation to Carnivora. They were a global force, occupying terr...

3 answers  ·  posted 3y ago by JohnWDailey‭  ·  last activity 3y ago by JohnWDailey‭

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Q&A Maximum Personal Time-field Speed?

One day, you suddenly get superpowers! Whoo-hoo, you can speed up or slow down the flow of time for yourself. This means you can run faster than a jet, right? So you decide to test it out. You ...

8 answers  ·  posted 4y ago by Gryphon‭  ·  last activity 3y ago by Gryphon‭

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Q&A Would time dilation alter apparent mass observed from outside time dilation zone?

A familiar scenario in scifi: a bubble of space is isolated artificially from the outside world by means of time dilation: time inside the bubble moves more slowly than time outside it. Assume that...

1 answer  ·  posted 3y ago by Christmas Snow‭  ·  last activity 3y ago by Christmas Snow‭

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Q&A How could a volcanic island last for 100 million years?

Some islands can survive for very long. Madagascar, for example, has been around for 80-100 million years and is likely to remain isolated for hundreds of millions of years more. Volcanic islands,...

4 answers  ·  posted 3y ago by SealBoi‭  ·  last activity 3y ago by SealBoi‭

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Q&A Time in relation to life in the Jovian System

I'd just like to preface this with the fact that I'm super new and I apologise if this has been discussed in some way previously (I have looked at similar topics but they haven't quite given me the...

2 answers  ·  posted 4y ago by Sian Wheeler‭  ·  last activity 3y ago by Sian Wheeler‭

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Q&A Is it possible to encode a message in such a way that can only be read by someone or something capable of seeing into the very near future?

Say you have some way of seeing somewhere between a microsecond to 0.1 seconds into the future, or at least the most likely future. Is it possible,through something like a flip-book effect or some ...

19 answers  ·  posted 3y ago by DoctorJerk‭  ·  last activity 3y ago by DoctorJerk‭

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Q&A How quickly do prehistoric populations grow?

I am working on a species that ressembles humans beings and that, although slightly engineered in the sense that the evolutionary leaps are aided by genetic modification, they are left to go throug...

2 answers  ·  posted 3y ago by Nierninwa‭  ·  last activity 3y ago by Nierninwa‭

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Q&A How to figure out that you traveled 570 million years into the future while in space on a small shuttle craft?

I want a character to get sucked into what she thinks is an FTL-wormhole-gate. While it turns out that the gate is indeed a traversable wormhole, it does not allow for FTL travel. The gate transpor...

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

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Q&A If we brought ancient germs to the present

If germs from the past was brought to the present/future on a person (or by some other means of transportation) and we have immunity to its descendants, like the modern germs for example, would we ...

3 answers  ·  posted 3y ago by yo76yo‭  ·  last activity 3y ago by yo76yo‭

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Q&A Would you carry the exact same DNA if you were concieved at a different time?

In this world, time travel is possible, but the only thing that can be sent back in time are thoughts. From the perspective of your past self, you suddenly one moment realize that you have "memorie...

3 answers  ·  posted 3y ago by Lazar Ljubenović‭  ·  last activity 3y ago by Lazar Ljubenović‭

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Q&A Technology to see an invisible being

I have a world where there are two types of beings. One type, let's call them X, exist in our "dimension," and the other, let's call them Y, exist in another "phase" or dimension. Only 10% of X b...

6 answers  ·  posted 3y ago by Shalon Sims‭  ·  last activity 3y ago by Shalon Sims‭

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Q&A What would the experience be like for a human transported to 4 dimensions?

Our universe has 3 global spatial dimensions - that much I know. I am almost sure, based on an incredibly shoddy knowledge of physics, that there couldn't possibly be a 4th spatial dimension that w...

5 answers  ·  posted 3y ago by Nico A‭  ·  last activity 3y ago by Nico A‭

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Q&A What would the periodic table of a 4-Dimensional universe look like?

In this question, I asked about a universe with (amongst other things) 4 large spatial dimensions. In 3 dimensions, we have the familiar periodic table with its familiar arrangement of atoms in th...

1 answer  ·  posted 7y ago by Monty Wild‭  ·  last activity 3y ago by Monty Wild‭

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Q&A Keeping supplies for 1000 years

My main protagonist is going to fast-forward himself in time by 1000 years. He will simply reappear in the same place (marked by a small beacon), the process being instant for him (no hibernation e...

13 answers  ·  posted 6y ago by Michael‭  ·  last activity 3y ago by Michael‭

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Q&A The North Star in the ancient world sky

Question: Would a modern-day teen, trained in using the north star for directions when camping/hiking, notice a difference in how the "north star" (Polaris) works when transported suddenly to 1350 ...

2 answers  ·  posted 3y ago by Cyn‭  ·  last activity 3y ago by Cyn‭

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Q&A The Hadean Explosion?

In recent years, the search for the origins of life is becoming complex. It turns out that oxygen is NOT a requirement for multicellular life to thrive. As stated in this BBC article, poriferans ...

4 answers  ·  posted 4y ago by JohnWDailey‭  ·  last activity 3y ago by JohnWDailey‭

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Q&A Which modern firearm should a time traveler bring to be easily reproducible for a historic civilization?

Eureka! Our hero just discovered the secret of time travel, but what to do with it? "I know!", he says. "I will travel back in time as far as I can and hand them a modern firearm. They will learn h...

12 answers  ·  posted 3y ago by MechMK1‭  ·  last activity 3y ago by MechMK1‭

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Q&A Intragalactic velocity past the central black hole

In my story people are traveling from somewhere beyond the opposite side of the galaxy to Earth. The distance traveled is approximately 66 million light-years. I would like the travelers to exper...

2 answers  ·  posted 3y ago by Javor‭  ·  last activity 3y ago by Javor‭

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Q&A Consequences of a two-dimensional universe on cells and life

Suppose you have a 2+1 dimensional universe where the physics of that universe (we'll assume that the physics causes something similar to chemistry and that there is no gravity, but there is specia...

4 answers  ·  posted 7y ago by god of llamas‭  ·  last activity 3y ago by god of llamas‭

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Q&A Chemistry in two spatial dimensions?

I know that someone has asked how chemistry would be in four dimensions but I was wondering what would chemistry be like in two dimensions? From what I understand, in two dimensions, particles, ins...

4 answers  ·  posted 7y ago by Anders Gustafson‭  ·  last activity 3y ago by Anders Gustafson‭

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Q&A Born and raised on a world with longer days and years - would it impact life expectancy

If humans found a habitable world and access to it, what would the effects be of a longer day to those who were subsequently born and raised there? Is there any evidence that a longer day cycle (o...

2 answers  ·  posted 3y ago by Tommy‭  ·  last activity 3y ago by Tommy‭

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Q&A What's the overlapping calendar of two different lunar cycles

In My world of PD there are two distinct moons, Aurie is a big cream colored moon on a 32 day cycle and Chi is a smaller rust- colored moon on a 20 day cycle. Can somebody help me figure out how of...

3 answers  ·  posted 3y ago by Bett Struble‭  ·  last activity 3y ago by Bett Struble‭

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Q&A How would a Lunar Calendar be set up with 2 moons?

So I have a super-Earth that has 2 moons. Moon 1 is a bit smaller than our moon, and has an orbital period of 19.25 earth days. Moon 2 is larger than our moon and has an orbital period of 147.15 da...

3 answers  ·  posted 5y ago by Redwolf‭  ·  last activity 3y ago by Redwolf‭

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Q&A Ecological balance in a pleistocene+ world

So a friend is working on a worldbuilding/rpg project and I'm "beta-testing". He drew up an earth-like map and set the players start locations. Then I ask him about fauna. Will it be modern earth? ...

3 answers  ·  posted 3y ago by Riggy‭  ·  last activity 3y ago by Riggy‭

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Q&A What calendar would the Saturn nation use?

In my next novel, there are three major powers in the solar system: Earth, Mars, and Saturn. Earth runs on a slightly modified Gregorian calendar, Mars goes with the good old Darian calendar, and S...

5 answers  ·  posted 3y ago by Classified Angel‭  ·  last activity 3y ago by Classified Angel‭

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Q&A Non-causality-violating FTL travel. / Can omnipotence beat causality?

While building my sifi world I dug into ftl-travel and encountered these mean bullies, causality and relativity. They told me I can't have faster than light travel, because effect can't precede cau...

3 answers  ·  posted 3y ago by TheDyingOfLight‭  ·  last activity 3y ago by TheDyingOfLight‭

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Q&A Can mass be shunted off into hyperspace, but the matter remains?

My question is this: can excess mass be bled off into hyperspace (the large and compact extra dimensions, not the Star Wars-esque swirling vortex), yet the matter remains in our universe? Is mass ...

3 answers  ·  posted 3y ago by Ushumgallu‭  ·  last activity 3y ago by Ushumgallu‭

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Q&A Could a planet with two time streams be possible

I am asking specifically because I was recently doing a Doctor Who marathon and saw the apalapucia episode and thought "I wonder if that's possible?" So here I am. Is it possible to have a planet w...

4 answers  ·  posted 3y ago by Greenie E. - Reinstate Monica‭  ·  last activity 3y ago by Greenie E. - Reinstate Monica‭

Question reality-check time