Questions tagged [time]

For questions about the standard passage of time on objects/people/civilisations etc. Also consider the [time-keeping], [spacetime-dimensions], [alternate-history], [universe], [time-travel], or [time-manipulation] tags.

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6answers
463 views

How would precognitive aliens deal with not being able to see the future clearly? [closed]

I'm designing an alien species who have a natural ability to gain future forknowledge. However they don't see the future. What they actually see is a collage of all possible futures superimposed. ...
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4answers
234 views

How to kill a clairvoyant [closed]

Vincent Ingram La Ine, the famous clairvoyant villain-for-hire, has decided after his most recent prison break (for plot reasons, clairvoyance isn't constant, and requires a crystal ball and lizard ...
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3answers
757 views

If the world reset tomorrow, how long would it take humanity to get to space [closed]

Scenario: The world reset to the state it was in at the beginning of humanity All materials go back into the ground There are no man made structures (no buildings, no dams, not even a treehouse) All ...
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1answer
203 views

View the past by reflection? [duplicate]

I want to postulate that I have a sort of "time machine" that uses reflections from nearest planets to image places on Earth at a time in the past (2 x distance of reflector in light years). Is this ...
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1answer
207 views

Electrons have been frozen in time, now what?

Related to this question and this one also as both mention stopping time, I'd like to be a little more direct with my question, and ask about a smaller subset of time and change related to Time Stops. ...
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4answers
170 views

How would financial systems change in a universe where time dilation by individuals is feasible? [closed]

I was reading this answer to a recent question about a planet traveling at the speed of light, which contained the lines: Since time is money, this could be exploited for various economic effects. ...
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2answers
254 views

How much is it possible to fake age? [closed]

There's a society with a privileged class of people. Privileged - because the period of time when they can be part of that class is limited. Only people between 20 and 30 years old can be admitted and ...
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9answers
472 views

Speeding up technological development using a time machine [closed]

Imagine that we have invented time machine. Now we can go back in time okay? Now if we go back in time and teach our ancestors thing which were discovered or invented thousands of year later after ...
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2answers
356 views

Accurately Measuring Sidereal Years For Calculating Tropical Year

I decided that a sidereal year in my world is about 435.126 days long. It would follow that leap years occur every 8 and 125 years (with a double leap year every 1000 years!), but I hadn't though ...
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4answers
228 views

using a paradox to multiply time machine

I've asked myself many times if it's possible to multiply a time machine, but never really found any statement on how. Let's say we're in a field with one time-machine (the First one and still only ...
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3answers
253 views

How everything will act in a world of two time dimensions? [closed]

As far as we know , we live in a universe with only a single dimension of time, we know that some events happens BEFORE or AFTER other events , we know that some events happens slower or faster then ...
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2answers
74 views

Effects of latitudinal time zones with multi-step DST

In OTL, longitudinal time zones (each ideally 15° wide, ±7½° around each of 24 main meridians) were introduced in the late 19th century when time tables for trains, for instance, began to require more ...
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2answers
292 views

Time manipulation based on physics equations

I'm fairly new to the idea of writing.... anything, and I was asked to make a character to insert in a friend's world. I am trying to create a fictional character that has the power of manipulating ...
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0answers
113 views

Can you mine bitcoins or other data a time loop? [closed]

You have your own time loop. For one day only: at midnight, if you choose, you can transport your mind back 24 hours and relive the day, but with all the memories you have gained. Nobody else will be ...
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0answers
62 views

Time dilation due to constantly accelerating drives [closed]

I am writing a story on a civilization that has the ability to make constant accelerating drives. The ships will accelerate with 8g's (heavy worlders) for half of the trip and then de-accelerate for ...
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0answers
112 views

What might 3-dimensional time look like?(from a hypothetical standpoint?) [duplicate]

I recently started a conworld, and I want it to have a 6-dimensional universe with 3 time dimensions and 3 space dimensions. I think the first dimension would be our standard time. The second might be ...
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5answers
693 views

What should I fear/consider if someone asked me today to put me on hibernation and set the time to wake me up 2000 years from now? [closed]

The idea sounds very acceptable to me. Assuming that I'll be n a secure place and the machine would not malfunction and I would wake up at 4015. Anything I should be worried about before saying yes?
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2answers
231 views

How would society without a change in day or night form time, or structure to anything? [duplicate]

I'm working on a conceptual planet that is tidally locked to its star, and that there would be a ring or "twilight" zone of life on the planet. But because of this, there would be no sunset or sunrise....
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1answer
106 views

Speed of light, Motionlessness, and Time Travel [closed]

i want to ask something I quote from some web and got this : 'According to Einstein’s Special Relativity Theory, time is affected by speed. It’s already been proven in the lab that subatomic ...
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6answers
268 views

Capitalising on a Time Loop

I recently just watched "The Edge of Tomorrow (2014)" starring Tom Cruise. Its major plot device of a timeloop really got me thinking for a story/plotline. Say we have good old average Joe. He one ...
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3answers
145 views

Time on fictional planet

I already have the year being 2.2 earth years(800 earth days to be exact) on Kepler Bb due to transitional phases(of which there are 4 and each one lasts 80 earth days) and the main seasons being 1/3 ...
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1answer
101 views

Could a universe with something like special relativity based on position instead of velocity be logically consistent?

In a parallel universe if two objects occupy different positions in space then in the reference frame of each object the other has length contraction and time dilation. If the two objects are very ...
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1answer
148 views

What happen to gravity if time is suddenly running backward? [closed]

From my naive understanding of Einstein theory of relativity: gravity is not a force but only a consequence of inertia in a world where mass deforms the space-time. Without time, no gravity is ...
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8answers
1k views

What would be mindset of people if the entire Earth had one time zone? [closed]

What would be the effects of the entire Earth having one time zone? Does this increase productivity and help in syncing with each other? Can people adjust to a mindset where the clock is just ...
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6answers
1k views

Is 1000 years long enough for a major evolution to happen? [duplicate]

Writing a story where people have evolved to harness their brains to have control over different elements depending on personality. Is 1000 years a long enough time for this to plausibly happen? Does ...
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7answers
630 views

Can a planet have half the orbit and rotation times of Earth? [closed]

Ok, my head hurts after thinking about this and writing this question at least six times. Finally I have something that might pose as a question. Can a planet have a 6 Earth-month rotation around its ...
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1answer
153 views

What scientific mysteries could be explained by temporal gravity? [closed]

There is a way (somewhat handwaved) in which someone can travel through time. This is not merely the standard one dimension of time, for there are branching timelines. Whenever you travel into the ...
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1answer
349 views

What would it look like if time is stopped [duplicate]

Say a person can either move faster than light/ as fast as light without changing his position relative to other people (or any other manner of stopping time for that matter): What would he see? Would ...
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1answer
56 views

Moving someone along their timeline [closed]

If one would use something like the Time Stone from the MCU to move someone along their own timeline, would they have all of the memories that they would have made if they had lived out their lives ...
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2answers
160 views

Year with 13 months [closed]

Would it be possible to convince the world to have 13 months with 28 days rather than having 12 months with different numbers of days every month? Disregarding historical reasons for our current ...
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2answers
234 views

How survivors should measure time on tidal locked planet?

Setting: Earth-like planet orbitting red dwarf. Survivors from the Earth. (Only one planet, not post-planet civilization like in question: How Would a Post-Planetary Civilization Measure Time? ) ...
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1answer
108 views

If a civilisation is built on the back of a moving body, what is a day like? [closed]

What this question is asking is that if there were a group of people living on the back of a something that itself moves, how is the passage of time measured for days, weeks and seasons as these ...
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1answer
161 views

What would happen if all the machines on Earth were destroyed by an EMP? [closed]

If all machines on planet Earth were destroyed (possibly by an extremely powerful electromagnetic pulse from an alien civilization), how large of a percent of the human population would die out? ...
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1answer
610 views

How could you escape the universe entirely or reach higher dimensions [closed]

Given a multiverse that exists as a projection/hologram/simulation of a super sentience, how could a character in a type 3 (or 4) society that exists in apparent 3 dimensions of space and 1 of time (...
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3answers
213 views

Is time management obsolete? [closed]

Just to introduce myself, I'm a software developer. I've been working in agile environment for past few years, which made me notice some changes in the way people around me handle their daily tasks. ...
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33answers
5k views

On a tidally locked planet, would time be quantized? [closed]

Assume a planet that always presents one side to the sun. No moons. The orbit of the planet around the star is essentially spherical, very minor and undetectable aberrations. The orbital period of the ...