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Questions tagged [time-travel]

For questions relating to travel in time. Such travel often involves FTL travel; consider also using the [tag:faster-than-light] tag.

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Is “Time Travel” to the future currently possible?

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 put ...
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11answers
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Could medieval people produce automatic firearms if they had access to the schematics?

Assume you traveled back in time to the middle ages, and you brought with you the schematics of a fully automatic firearm. Could a group of experienced smiths and jewelers reproduce it? What would the ...
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6answers
608 views

Laws and usage of easily accessible time travel?

I'm imagining a world where time travel is a part of day to day life. Technically speaking, a sealed chamber (imagine it being about phone booth sized) would be linked to it's past and future ...
11
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5answers
642 views

A small group bringing early computing technology into the modern era

Inspired by this question Let's say a small group of people, 10-15 or so, were going to travel back in time to the mid-1970s, the time of the first personal computers. They can have experienced ...
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7answers
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How far can a time traveller go into the past before his electrical equipment becomes unchargeable?

My time traveller has a maybe 20-minutes-into-the-future smartphone and laptop. They can store large amounts of data, on the Petabytes level or higher. The time traveller can effectively store the ...
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21answers
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A small group recreating modern technology

Suppose a group of people get transported back in time (say 2500 years). Then, in a manner reminiscent of A Connecticut Yankee in King Arthur's Court, they try to re-design modern technology. Assume ...
11
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3answers
1k views

What if time travel had to take into account spatial distance?

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, ...