Regarding travel forwards or backwards in time, outside of normal temporal constraints, and the implications and repercussions thereof.

learn more… | top users | synonyms

1
vote
0answers
131 views

What did Janeway do with the 29th century tricorder she took?

In the Star Trek Voyager episode: "Future's End": JANEWAY: Welcome to the twenty fourth century. I took the precaution of removing your tricorder. That's what it's called, by the way. ...
4
votes
0answers
88 views

Soldier teleports himself out of a tank using his mind; discovers he's from the future

I am looking for a book that I read many years ago as a teen. I think it was in the 1970's but the book could have been written earlier. It starts with a soldier in Korea in a tank that is hit by a ...
5
votes
1answer
322 views

Was Skynet limited in how far into the past it could send back Terminators?

I have always wondered why Skynet only sends back one Terminator at a time, and why it keeps trying to assassinate targets who know they are being targeted. After the first Terminator was sent to ...
12
votes
3answers
4k views

How did Picard actually cause the destruction of human kind?

Through the final episode of Star Trek: The Next Generation, we learn that This part is really unclear for me. How could the anomaly stop the combination of amino acids into the first proteins? Is ...
0
votes
1answer
138 views

Why did Picard describe the past as “the past” when he was actually there?

During final episode of Star Trek: The Next Generation Picard is moving back and forth in time and we can see three timelines: current, past and future. Two times during his "visit" to the past ...
2
votes
2answers
190 views

Which Time Travel theory does The Flash follow?

In the latest episode of The Flash However, this does raise the question: Which Time Travel theory applies in The Flash? ...would imply a single universe model, as changes in the past ...
5
votes
1answer
148 views

Short story where life is lived out of chronological order

I think I read this short story (within the past five years) which was a science fiction (possibly post-apocalyptic) short story anthology. There was some kind of event which caused the world to ...
5
votes
1answer
126 views

Man with saucer shaped machine that may or may not been a time travel machine

What is name of (TV?) Movie (possibly british) from between 1970-1980's involving a man with saucer shaped machine that may or may not been a time travel machine? I am trying to remember a film I saw ...
3
votes
0answers
59 views

Identify story about time-travelling assassin that can kill by touching people

Please help me identify a short story about a time-travelling assassin. His time machine is a car. He gets assignments over the car radio from "The Oracle." His 2 henchmen are named Chubb and ...
3
votes
1answer
122 views

Sci-fi movie where time-travelers(?) journey to ancient Rome/Greece(?)

I'm trying to remember a movie. The only thing I remember clearly is that there were modern explorers in a land or time that resembles ancient Rome or Greece. At the end of the movie during a ...
2
votes
0answers
72 views

Book about time travellers finding world with robot vs human gladiators and 100 ft jesus robot

Searching for SF book read in youth (80s) Time travellers go to cryo-sleep in mountain crypt, perhaps to avoid fallout from nuclear war? Wake up to find Earth much changed. Ruled by theocracies? ...
4
votes
1answer
155 views

Two spacecraft pilots travel at light speed, meet back on Earth in different era due to time dilation

I've been looking for the name of a sci-fi romance book about space travel but haven't been successful so far. I came across it a few years ago, read the plot on its back cover but didn't read the ...
3
votes
1answer
117 views

Scifi book with FTL travel that caused the ship to split into multiple copies

I'm trying to remember the name/series of this book that I read (at least) a few years ago. It had a sci-fi space travel theme, but was mostly set on this planet that had "zones" that kept people ...
3
votes
0answers
113 views

Time Machine Short Story in Letter/Essay format

I'm trying to remember the name of a short story that's written in the form of a letter to a doctor/professor (I think). The writer of the letter/essay, who is a scientist, describes an experience ...
2
votes
1answer
185 views

Is there any consistency regarding time travel in Star Trek?

Every so often, there's an episode of Star Trek involving time travel, and more often than not, the "rules" seem to change from episode to episode. For example, Future's End, Braxton explains that ...
3
votes
0answers
53 views

Looking for a children's book about a video game that allowed time travel back to the time of the dinosaurs

I'm hoping someone could help me find a book from my childhood. The protagonist is a young boy who gets given a video game that accidentally allows him to travel back to a time when dinosaurs are ...
7
votes
0answers
128 views

Pre-Historic Time Travel Short Story

I read a short story around 1989 in which a man somewhere in Europe (London/Paris maybe) sent a pocket watch somewhere (in time) and it came back a few minutes later rusted. The man decided to send ...
5
votes
1answer
108 views

Late 70's TV movie - woman sacrifices herself for child (neanderthal?) with blanket

I'm looking for the name of a late 70's/early 80's SFF tv movie or episode where a woman scientist sacrifices herself for a child (who may be neanderthal?) and they travel back in time or get beamed ...
1
vote
0answers
86 views

What happened to Thumper in The Butterfly Effect?

In the movie The Butterfly Effect, what happened to Thumper? Did he change or disappear? Or did it form a different timeline which caused him to change into something else ?
5
votes
1answer
119 views

SciFi / fantasy book from 80s about Jesus, present-day New York, time travel and the Dead Sea scrolls

I read this book back in the late 80s/ early 90s. I remember the title of the book as Mission. It started with a man being admitted to a hospital in present-day NY at Easter, with all of the wounds ...
5
votes
2answers
91 views

Young adult novel involving time travel, Asian military base

I'm looking for a child / YA book that featured time travel. It would have been published around or before 1975. I remember that it had some minor travel to the past, then travel to the future, to a ...
13
votes
2answers
1k views

When do phone calls to the TARDIS come through?

Throughout series 8 of Doctor Who, we see phone calls from Danny to Clara while she's travelling with the Doctor in the TARDIS. Now it's clear that when the TARDIS has stopped at somewhere reasonably ...
1
vote
1answer
123 views

Is this the Time Travel Bootstrap Paradox? - US Banknote [closed]

Is the following example using a US Banknote a Bootstrap Paradox? In January 2015, the US Govt prints a USD 10 banknote with serial no. #123456. In February 2015, it is issued for circulation and ...
2
votes
1answer
213 views

In Steins;Gate (The Show), how does the first D-mail change the universe

Spoilers All: In episode 1, Okabe sends the 1st D-mail, changing the world to the Alpha world line where Kurisu lives instead of dying. In episode 22, They reverse this by having Daru hack into SERN ...
2
votes
1answer
123 views

Two friends meet famous historical men

Okay I have been looking for this book for years now. It could be from 1999 to 2004. It is the story of two boys who are friends. They travel back in time as famous male friends such as President ...
4
votes
3answers
204 views

Were time-turners available during the first wizarding war?

It has been established that time-turners are wizard-made. We also know that time-turners were not available during the second wizarding war because they were all destroyed during the events of Order ...
0
votes
0answers
87 views

Why did the Reese stop aging after travelling back to 1987?

In 12 Monkeys the TV series, the 3rd episode from the end just aired, and it depicts Reese going back in time and then living 40 years without getting older. Likewise the mysterious woman is an adult ...
4
votes
1answer
141 views

Teenage girl finds clothes that make her travel back in time

I read this book as a girl some time ago. It was about a young girl (early teens?) who is rummaging through some old clothes, (at her mums friends house/ or mebe a shop) . She finds this article of ...
9
votes
1answer
400 views

Technology breaking down, No-one knows how to fix it

the story, or maybe part of a larger work, I am thinking of involves a portrait of either a.) an alien race or more likely b.) the future human race this race relies entirely on their technology ...
1
vote
1answer
573 views

How did The Flash break the time “barrier” if light can't? [closed]

The Flash S01 E15 was one of the best episodes I've ever watched on TV, and it left me hanging like a piñata. It ended much like Continuum which was good too. But it left me wondering, if the flash ...
6
votes
1answer
119 views

Short animation of a spaceship running against time

It's basically a man riding a spaceship at full speed thru a canyon in a random rocky planet.. Then he gets out and RUNS holding a pod into a big building, jumping over bodies stuck in time, only to ...
2
votes
3answers
326 views

Time loop paradox in The Flash

In season 1, episode 15 (Out of Time), we see a time loop in the end. Assuming the timeline when the episode started to be x, in the end, we get to timeline x+1. So, does Barry retain his ...
6
votes
0answers
93 views

Looking for time-changing story

In the story I'm looking for, the main character is a convicted murderer who is an experimental subject in a scientific research project into the nature of time. He has been subjected to some sort of ...
4
votes
1answer
146 views

Young adult fantasy series from 80s about a girl transported to a different reality?

Looking for a series I read when I was in middle school 20-25 years ago. All I remember is a girl visiting an older man on her way home from school is accidentally transported to a different reality. ...
9
votes
1answer
595 views

Time travel book series - Time agency alters humanity starting with the cro-magnons

I read a book a long time ago and can't remember the title. It has an agency that sends people back in time to make themselves powerful. The books all look forward to the time when the actual time ...
2
votes
0answers
140 views

A group of kids get magical powers, including time-freezing

I remember reading a book back in 3rd or 4th grade ('96/'97) from the school library. It involved a group of young kids (3 or 4 different kids, pre-teen I think?) who had somehow gotten magical ...
3
votes
0answers
56 views

YA Time travel/teleportation novel. Plot required using helmet (or other head gear)

YA Time travel/teleportation novel. Plot required using helmet (or other head gear)... but only for training. A young kid (less than sixteen?) finds he can either teleport or time travel (I don't ...
5
votes
0answers
105 views

Book that explained different forms of time travel in films

I remember a while back reading a book about the different forms of time travel in movies and science fiction. I can't seem to recall the name now!
1
vote
2answers
292 views

Was Star Trek’s “Time Warp” ever developed past episode one of the TOS?

I consider myself a Trekkie and I have seen pretty much every episode there is to watch at least once. That was a long time ago, and my memory is hazy but I seem to recall that in the first episode of ...
4
votes
3answers
291 views

Was John/Jane the only time traveler being manipulated by the Agency?

Please help settle an argument between myself and my son. I believe that John/Jane was the only time traveler being manipulated by the Agency, in order that they may not change the future. Nowhere ...
3
votes
0answers
150 views

Story About Kids Finding Out Their Uncle Time Travels

I remember bits and pieces of this book I read when I was a kid (probably late 90s). It starts with this boy and his family moving into to his uncle's(?) house. The boy finds a room of weird stuff, ...
1
vote
0answers
108 views

Explanation of time freezing [closed]

This is a question that's been on my mind for some time now. Suppose we have a stopwatch that can stop time when pressed, and can resume it when pressed again. There has been some references about ...
4
votes
0answers
75 views

FTL combat in Newton's Wake

Some setup is necessary before I can get to asking my question. In Ken MacLeod's Newton's Wake, FTL is possible. There is a form of chronology protection: Say ye try tae send a signal intae the ...
4
votes
1answer
152 views

time travel kids show

I'm looking for a kids show about a blonde girl that travels in time and brings historical figures back to her time to solve there problems some of the historical figures on the show was Charlie ...
8
votes
1answer
199 views

Book I read in the 1980s, about a scientist trapped in a pendulum after blowing up a time machine

Trying to find this story, I think it was part of a multi-story sci-fi book. People keep telling me it is "The pendulum" or "The time machine" but I am pretty sure it isn't. Nutshell plot, scientists ...
2
votes
0answers
51 views

Would Aaron encounter the same time-travelling Abe later, if Abe leaves their timeline first?

I first thought of this question when rewatching the part where Abe shows Aaron the mold growth on the weeble--based on the technician saying "it is a joke" etc, we know that Aaron planted the mold to ...
5
votes
3answers
274 views

Science fiction novel about a man who travels through time and falls in love with a warrior woman

I believe it was a full novel, that I must have read as a preteen, so it can't be newer than the late '90s or early 2000s. I don't remember much, but I think it was about a man who travels forward ...
9
votes
1answer
121 views

Ocean of time book?

I remember reading a book where people figured out time travel and when they entered "Time" they could swim through it, but it would cause ripples and change things. They would take certain time ...
5
votes
1answer
139 views

Looking for a story where all sickness and disease has been eliminated

Takes place in a future where all sickness and disease has been eliminated leaving people with weak immune systems. The main character is in charge of sending all time hoppers from the past to a moon ...
25
votes
0answers
569 views

Short Story: Criminals are sent back in time as punishment?

I've already searched Wikipedia's list of time travel stories in hopes of finding it, but no such luck. This is the basic plot of the story: In the future, criminals are sent back to the Renaissance ...