Questions tagged [immortality]

For questions about the ability to live forever.

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-2
votes
1answer
562 views

If we all became immortal at once, will we ever stop expanding the size of population? [closed]

Let's set the boundaries: Same earth, same time Overnight we all become immortals and totally indestructible Peoples never fall ill nor need to sustain themselves They actually can reproduce without ...
5
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9answers
3k views

How advanced could someone make a firearm with Medieval Technology

Assume I have someone who doesn't age, and has a lot of time to learn any skill or experiment with things, but who was born and raised (prior to becoming ageless) in a medieval farming village. He is ...
20
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3answers
5k views

(Regrowing) Teeth for Immortals?

Lets suppose there is a race of Immortal beings. What are possible solutions to them slowly losing their teeth due to wear and tear? After all, if a normal human lived for hundreds of years at some ...
-3
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1answer
90 views

How to calculate food consumption if all current human suddenly becomes immortal? [closed]

What if all human currently become immortal? Those who lived at particular fraction of time gain immortality and newborn don't have it . So the ages of people on earth currently will become constant ...
2
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5answers
206 views

How could my immortal avoid degenerative diseases?

So my main character was genetically engineered to be biologically immortal. By this I mean her DNA is a lot better than ours. The telomeres do not degrade over time same as genetic information. ...
1
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2answers
440 views

How would a society of immortals view a mortal? [closed]

Imagine a society where everyone is immortal, meaning they cannot die from old age. These people would be exactly like humans in every way, except that they are immortal, but could still be killed by ...
1
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1answer
405 views

Immortality via cloning [closed]

In this imaginary future (about 50 years from now), cloning functioning and viable healthy humans is possible. The procedure needs some stem cells that should be extracted just after your birth. Your ...
227
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24answers
61k views

How to safely check if you are immortal?

My hero lived his usual life until recently, when he realized that Magic actually exists. So far he has been granted levitation for a short period of time and invisibility for several hours. Both ...
1
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2answers
124 views

What would an alien teach on medival earth [closed]

My protagonist was a diplomat, and a spy. Things went wrong and he had to flee in a crippled starship. So, he crash-landed on a planet which was inhabit by a primitive life form. He crashed on 16th-...
1
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5answers
301 views

Age Reversal Accident - how will this affect the person?

In the future the technology to reverse one's age exists. We can make people younger but not older. One day there is an accident, and someone is reverted to a ten year old, instead of reverting to ...
-3
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2answers
324 views

Why would the government ban mind uploading when humans are biologically immortal? [closed]

The year is 2317 C.E. Assume all existing humans were bitten by radioactive "water-bears" or tardigrades. Ignore statistics and disregard murphy's law. Every human can live forever, unless due to ...
1
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1answer
185 views

How to build a literal colossus of disease? [closed]

Say you're a single celled being with the following characteristics. Able to control disease based cells around it Human-level intelligence Virtually immortal You've been around for millennia. You'...
-2
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3answers
332 views

How a hero can detect or test his own immortality? [closed]

The hero is born into universe populated by similarly looking to him people. But he suspects he could be immortal and possess some (maybe, passive) special powers. The facts known to him: He ages ...
0
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2answers
248 views

How Does One Ensures the Immortality of Their Consciousness [closed]

So lately I have been looking into how immortality is commonly pictured. The immortality of the kind "even if he's dead, he'll be back", when the "soul" (I personally prefer consciousness) of the ...
0
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2answers
279 views

Hiding immortality [duplicate]

So I somehow turned into an immortal (I don't age). (Looking ~25-30) Naturally, this brings around some problems. After ~10 years of fun, people started making comments on how young I look. I fear ...
4
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6answers
725 views

How can an organization keep prisoners secured who can escape by death and resurrection? [closed]

In my world, there's a small portion of society who are ageless, and resurrect in a distant location immediately when receiving lethal damage on their body. And then, there is an organization of "...
2
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0answers
170 views

You are alone on Earth. You are immortal. You are tasked to destroy all traces of civilization as quick as possible. What do you do? [closed]

You are alone on Earth. You are immortal. You are tasked to destroy all traces of civilization as quick as possible. What should you do to complete the task quicker?
7
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11answers
1k views

Natural environment to force evolution to Immortality

Which natural conditions are needed to force the evolution to immortality? I've read on a page (I don't remember the page) that if the environment is safe, the animal would evolve to have a shorter ...
28
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16answers
8k views

How do I make a server of a virtual world indestructible?

Imagine if we would hit a point in time where we would accept that living in a virtual world is better for being happy and would make us near immortal. And then we would build something like the ...
6
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3answers
319 views

Preparing Digital Immortalization

I'm excited to share my little secret with you, if you promise me not to tell anyone else and help me with my little, ambitious quest. I think I managed to found a way for someone to enter the ...
1
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7answers
739 views

Criminal justice if people could live arbitrarily long lives

In modern society the main punishment for a crime is either imprisonment or financial penalty. Even if you're a billionaire, a 20 year prison sentence isn't something to brush off, and a large fine ...
9
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23answers
1k views

How does a mundane army defeat an immortal army?

In trying to both invent and prevent mediums with which opposing armies can defeat "Army X", I come to you, stack exchange, hoping for some second-opinions on how to 'defeat an immortal army'. In ...
27
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11answers
12k views

How could immortal children age faster than immortal adults?

In plenty of stories you have beings who age incredibly slowly and are technically immortal. I have a handful of similar such beings who have through some means or other attained the benefits of ...
0
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1answer
128 views

Immortals vs the Gateway to Hell [closed]

Deep under the earth, in a stock standard "Deep Dark Cave" is the entrance to the underworld. It's a very real place, and visible from the far bank of the River of Souls, but no living person can ...
1
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2answers
148 views

Can evolution happen in one single individual?

Lets say there is one being (it can as intelligent as a dog or an average human). But lets also give it/him a bit more unorthodox situations. He/it doesn't need to sleep and eat. Nor also his cell ...
12
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9answers
2k views

Should immortal people have a god? [closed]

Assume we are living in a world in which there are immortal people living among us. According to some religions the gods are eternal, and according to logic, everything with a start must have an end. ...
12
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2answers
936 views

How long would it take for someone to forget the most important things in their life? [closed]

Professor Y is trapped in a virtual reality. The VR is running on accelerated time to the point where he can live out millions of lifetimes in a real-life day, basically giving him immortality within ...
9
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8answers
5k views

What Disease(s) could Kill an Immortal?

Ignorance is curable, living is forever. Robert A. Heinlein1 Cutting to the hard data: Due to some or another reason2 the genetic information stored inside cells (aka DNA) of my Immortals does not ...
3
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4answers
931 views

What would immortality do to a society [closed]

So I really don't know, how bad or good it would be for a species to reach immortality, so some questions. The world is set in a near future and I talk about humans no special kind of alien. I talk ...
30
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8answers
5k views

Why would an incredibly long lived race not be known for their scarring?

Many long lived races are seen as serene, beautiful, and wise. Yet with long life comes the increased chance to be permanently injured in a life-altering way, either physically, emotionally, or ...
34
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20answers
13k views

Should immortal women have periods?

Mod Note: Some people may be squeamish about this subject, please keep all responses clinical rather than vulgar. So, in my world, I try to play the "immortality" trope with twists that make it ...
0
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2answers
265 views

How to setup non suspicious blockage that deny access to all except witches? [closed]

In the 16th century A.D. the Magistrate of East Hampton in Eastern North America, which formed following European colonization, called for an annual witch hunt, in which wizards and witch hunters ...
8
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7answers
530 views

Why do governments not permanently restrain super villains?

The argument for superheroes to capture villains alive is that superheroes are already illegally operating as vigilantes and compensating for muggle law enforcement is all they are morally obligated. ...
30
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10answers
7k views

Developing a government that can hide an immortal ruler (and their secret to immortality)

Someone has discovered the secret of immortality (whoa, awesome!), but it requires what amounts to a human sacrifice and their spirit overtaking the deceased body (not as awesome!). Technically, it's ...
14
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4answers
2k views

In long-lived races, how far should one track one's own family tree for relationship purposes?

Some background information: in this world there are races that are ageless. Meaning they stop aging at what humans consider age 30. This of course means that both men and women remain fertile, ...
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3answers
525 views

Is religion stronger than immortality? [closed]

There are immortal beings, of roughly the same intelligence of humans,but being immortal allows them to have more time to learn than us. -biologically immortal which means not aging but still being ...
3
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2answers
478 views

Would normal people accept a path of immortality given the following, specific restrictions? [closed]

It's one of mankind's oldest enemies -- time. Mortals fear it, because time brings all men (and women) to their knees. We fear it, because we fear growing old. Many of us have watched our grandparents,...
4
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5answers
2k views

How to perfect the “Great, Soft Jelly Thing” - A creature incapable of self-harm

This was inspired by the answer to my first question on worldbuilding, in which I was introduced to the wonders and horrors of Harlan Ellison's "I Have No Mouth, And I Must Scream", as well as my ...
16
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11answers
5k views

How can someone be invulnerable to any damage down to cellular levels while still having a limited lifespan?

One commonly cited problem with invulnerability-style immortality is that you watch the people around you wither and die while you survive. On top of that, even though you don't deteriorate, at some ...
2
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3answers
560 views

How will life change when people become immortal? [closed]

Imagine that in not so distant future becoming immortal is in reach of every living person. Let's assume that immortality means that some person simply stops aging. Resuming aging and becoming ...
2
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1answer
340 views

How would society change if people did not die from old age? [closed]

The latest generation of humans mutated a gene that keeps them from aging. They can still be killed by injury, disease, and malnutrition. But the they don't grow old like we do. If this was the case ...
19
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9answers
1k views

Why is brain uploading considered to be effective immortality? [closed]

I've heard that when humans become able to upload their brains to a computer, it would realize the dream of immortality... why? Let's suppose that I upload my brain to my computer and then transfer ...
27
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3answers
5k views

What is the limit of a human's memory if Immortal?

If an average human in build and intelligence were to gain immortality for whatever reason what is the limit to what they could learn and remember? This human is for all intents and purposes a normal ...
15
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12answers
1k views

How to govern a society of functionally immortal reality-benders?

So, you died. Good for you. Luckily, due to various scientific advancements that spit in the face of biology, philosophy, engineering, and general plausibility, you’re technically not dead! Your body ...
1
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2answers
413 views

Would society of immortals create any kind of religion? [closed]

As far as I know, the core of most religions on the Earth is an explanation of what happens to our souls/consciousness after we die and things that occur in our lives and we cannot explain ...
5
votes
4answers
652 views

How can a molecule grant long-life?

In Dune by Frank Herbert, there is a molecule called melange. Melange, also known as the spice, grants much longer lifespans to those who take it. How could a molecule grant greatly extended ...
-2
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1answer
111 views

Lonely gods (housing and food)

My last question got put on hold for being too broad (you can see it here) so I decided to chop it up into a couple smaller, more manageable questions. I explained the scenario I'm working with in the ...
2
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3answers
172 views

Lonely gods and their planets [closed]

I would like to make a world that follows all of our laws of physics except that every star has a habitable, earth-like planet in its Goldilocks Zone (I love that term). Each planet has a collection ...
3
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5answers
643 views

How would a government utilize a newly-minted immortal?

Backstory: One unfortunate day in a parallel universe at a lab, an accident causes a massive explosion that blows a janitor (working there part time while going to college) out of his world. His ...
0
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9answers
966 views

How would a universe in which death is impossible work?

In a parallel universe, death is physically impossible so nothing can ever die but this universe has lots of life. It is also physically impossible for any life form in this hypothetical universe to ...