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For questions that ask if a given concept is consistent, or being used consistently, in the context of the referenced world rules. Answers should say yes or no, with supporting info. This tag should not be used with the science-based, hard-science, or science-fiction tags. Comparisons to the real world should use the science-based tag. This tag may not be used alone. This tag may not be used with the science-fiction, science-based, or hard-science tags.

10 votes

Is it possible to perform surgery on your own spine?

All in all, it's pretty unrealistic. Then again, if it's SciFi, why not. Even the documented real cases where people have (allegedly) done surgery on themselves are for the most part somewhere in bet …
Damon's user avatar
  • 3,847
3 votes

Could a really fast man catch a bullet?

Yes, but not easily, and... If you can move 100 times faster, then you can rather trivially move as fast or just a bit faster than the bullet as well. Unless your superspeed explicitly works on/off 10 …
Community's user avatar
  • 1
2 votes

Is it possible to create a practical sword that's naturally toxic?

It's not realistic as poison in general is not very realistic for being useful on a sword. Poison ist for maliciously, and covertly, murdering someone. It's not what you bring to a sword fight. You w …
Damon's user avatar
  • 3,847
7 votes

Why might the government keep the gold at Fort Knox, even though super-villains steal it all...

Well, there is no gold in Fort Knox, and supervillains don't steal it. If you were a supervillain and you fell for the fraud, would you tell your supervillain friends how stupid you were? Or, would y …
Damon's user avatar
  • 3,847
3 votes

Humans with a scorpion-like tail?

Can you flex your index finger? In case you can (hopefully!), tell me where the muscle is. So, in one word, yes this is possible, and nature has done it. You can, in principle, place muscles somewher …
Damon's user avatar
  • 3,847
1 vote

Can I keep a person unconscious for a long time?

Regarding whether using anesthetics for a long time is dangerous, of course it is. Using anesthetics at all is dangerous. Unconsciousness, even on the order of minutes is possibly (and even likely) le …
Damon's user avatar
  • 3,847
0 votes

Is a "long exposure"-like night sky possible?

If... we can ignore the unimportant fact that everybody will be dead and torn to bits, then yes (at least I believe so, it will be hard to verify). All we need is the planet being sufficiently close …
Damon's user avatar
  • 3,847
0 votes

How long could someone with locked in syndrome survive in 1915

Ugh, that's a bleak outlook. Days. Another 50-70 years earlier, someone with locked-in syndrome would likely have benefitted from an awesome treatment called trepanation, in the early 20th century th …
Damon's user avatar
  • 3,847
8 votes

For a head of a palace guard (staying mainly inside the palace), is an estoc a realistic wea...

Sure, why not. I think it's fine. First, weapons do not need to make sense as long as they provide a certain level of intimidation. Consider present day police patrolling cities, train stations, and …
Damon's user avatar
  • 3,847
3 votes

Surviving inside a space station crashing into a planet

Your problem is that with traditional, present-day technology, to stay geostationary, the station has -- depending on its altitude -- a speed of something like 10,000 km/h (this is the speed of a "typ …
Damon's user avatar
  • 3,847
3 votes

Infantry weapons, or why are there people running around down there anyway?

One answer is already shown in The Empire Strikes Back. Although Vader may have some motive towards getting the Falcon, the main objective is to destroy the Rebel alliance (Skywalker really isn't that …
Damon's user avatar
  • 3,847
1 vote

How to explain the existence of just one religion?

You can take the history of the world we live in as an example for how it might work. Only in your world, the zealots of the most aggressive cult have been successful. Note the deliberate wording of …
Damon's user avatar
  • 3,847
12 votes

What's the most reasonable way to fit Monsters in your Pocket?

Monsters are made from atoms, and atoms are mostly empty (99.9999999999996%). All you need is a uh... Maxwell compensator which temporarily inhibits electromagnetic interaction. Then you can shrink a …
Vincent's user avatar
  • 16.9k
2 votes

Could humans alter the moon's orbit significantly with current technology?

It is certainly possible, however the "naive" approach is way out of our reach. Stopping the moon is a crazy, but that isn't even necessary. Just like you wouldn't want to stop an asteroid that is go …
Damon's user avatar
  • 3,847
4 votes

Is there any real potential advantage to having two hearts?

In theory, yes (From a certain point of view, we already have two hearts. But let's ignore that sophistry.) Naively thinking, two (or even three or four) hearts might indeed have a significant advan …
Damon's user avatar
  • 3,847

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