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Rigorous Science

Posts tagged modern-age

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Rigorous Science How far away could Earth detect a projectile travelling at relativistic speeds?

Suppose our alien neighbors woke up on the wrong side of the bed and decided humans would be less annoying if their home planet was hit with a giant artillery shell travelling at half the speed of ...

8 answers  ·  posted 9y ago by Joshua Snider‭  ·  last activity 4y ago by HDE 226868‭

Question modern-age
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Q&A My characters have been killing the same demons over and over again. How come the demons never adapt to them?

There are three "worlds" in this setting: Heaven, Hell and Midgard, Midgard being Earth and the entire Milkyway galaxy. When a demon or an angel enters Midgard, they can't just walk there, as they...

16 answers  ·  posted 4y ago by Mephistopheles‭  ·  last activity 4y ago by Mephistopheles‭

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Q&A Would we notice ridiculously healthy birds?

Consider the following situation: Over the last 2 to 3 years, all the world's birds and bats outside of those in human captivity or domestication have stopped getting sick; sick - even terminally s...

12 answers  ·  posted 7y ago by Monty Wild‭  ·  last activity 4y ago by Monty Wild‭

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Q&A A supermassive black hole is coming our way. When's the latest that we would notice?

I'm trying to build a story around a supermassive black hole, which is ejected from a merger of two galaxies, that is hurtling our own way. What is the smallest realistic distance at which the blac...

3 answers  ·  posted 5y ago by bantu‭  ·  last activity 4y ago by bantu‭

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Q&A Can a human colony survive on a 'hot' world?

A colony ship headed for its new home countless light-years from Earth suffers an unfortunate malfunction on the final part of its descent phase and crashes onto the planet. Thankfully, the ship cr...

11 answers  ·  posted 4y ago by Raznarok‭  ·  last activity 4y ago by Raznarok‭

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Q&A Where on Earth is it easiest to survive in the wilderness?

In which wilderness area on modern-day Earth would it be easiest for a lone human to survive year-round? What resources are available there and what tools and skills would be necessary? What is t...

15 answers  ·  posted 4y ago by Monty Wild‭  ·  last activity 4y ago by Monty Wild‭

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Q&A Is it possible to have battery technology that can't be duplicated?

I'm creating a near future world where one faction is using high energy density batteries that enable their vehicles to outperform gasoline based technology. Like cold and silent aircraft and helic...

27 answers  ·  posted 5y ago by Koras‭  ·  last activity 5y ago by Koras‭

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Q&A Making airships\blimps\dirigibles the dominant form of air transport

While similar to other questions they mostly focused on what impacts required in the past to keep airships as a popular air transport method today, this question is about how to make airships the d...

11 answers  ·  posted 5y ago by cypher‭  ·  last activity 5y ago by cypher‭

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Q&A Let's plot a course between Earth and Gor

We know that Gor, or Counter-Earth, is not stable in a long-term sense. Let's handwave that away, or assume that we are dealing with a temporary span of time in which the instability is immaterial....

3 answers  ·  posted 5y ago by Columbia says Reinstate Monica‭  ·  last activity 5y ago by Columbia says Reinstate Monica‭

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Q&A Is it plausible to make human gametes from different parent chromosomes?

I'm creating a near future world where laboratories could create human gametes (sperm & ova) using chromosomes from different people. So theoretically we could take 1st chromosome from a 1st pe...

3 answers  ·  posted 5y ago by DoubleHelix‭  ·  last activity 5y ago by DoubleHelix‭

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Q&A How much smarter would bred humans become?

I'm building a setting in a fictional Latin American country which is under military rule. The junta starts a breeding program in the late 40's with help from unscrupulous escaped Nazi scientists....

7 answers  ·  posted 5y ago by Geonosis‭  ·  last activity 5y ago by Geonosis‭

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Q&A Why would people let a super tree grow?

In my city, a very high skyscraper stands at the center. Somehow, a tree, in a span of [x] years integrates itself into the building. Its branches reach out from the top of the building and its sha...

18 answers  ·  posted 6y ago by Ngoc‭  ·  last activity 5y ago by Ngoc‭

Question flora modern-age
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Q&A How fast can I flood the Netherlands entirely and permanently?

I want the Netherlands to be flooded entirely, and I want the event to be of such a scale that it goes faster than hydroengineering can keep up with. This will mean that I need a sea level rise of ...

28 answers  ·  posted 6y ago by Tinkeringbell‭  ·  last activity 5y ago by Tinkeringbell‭

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Q&A Ergonomically correct eagle riders in the modern age

Since Tolkien put people riding on giant eagles in his books (or maybe even before that), the imaginarium of riding the winds on the back of magnificent birds has generated a plethora of images and...

6 answers  ·  posted 6y ago by Mindwin‭  ·  last activity 6y ago by Mindwin‭

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Q&A How Would We Reverse the Spin of the Earth?

I've seen multiple posts on destroying the Earth, but is it possible for humans to reverse the spin of Earth? In order words, considering modern technology at our disposal, is it possible for hum...

6 answers  ·  posted 6y ago by NL628‭  ·  last activity 6y ago by NL628‭

Question earth modern-age
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Q&A Where can I easily/cheaply get a hundred square miles of land for a new country?

I'm looking to found a new country on a real-to-life Earth, and I need somewhere to put it. The country is going to be anywhere from 100 to 1000 square miles (250 to 2500 square km) in size. Assume...

10 answers  ·  posted 6y ago by TheEnvironmentalist‭  ·  last activity 6y ago by TheEnvironmentalist‭

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Q&A Reasons why healthy people would intentionally want to get infected?

What would be a situation in modern times where normal, healthy people would want to get infected by a non-curable, but non-lethal, virus? A virus that would have pretty nasty symptoms. There...

30 answers  ·  posted 6y ago by R. Smyth‭  ·  last activity 6y ago by R. Smyth‭

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Q&A Noticing a space-fight or, A muzzle-flash on the deep

It's Earth, the modern day"¦and in the out there, there is a fight going on. Two vast space-empires duel for survival, locked in hateful combat. Clashes of fleets and individual spaceships are the ...

10 answers  ·  posted 8y ago by Marky‭  ·  last activity 6y ago by Marky‭

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Q&A How to calculate maximum altitude difference between metro stations?

For story purpose I am trying to design a mass transit system for a perfect city. Right ... maybe not so perfect, if you look carefully into the details, but actually the mass transit system is sup...

2 answers  ·  posted 6y ago by Shadow1024‭  ·  last activity 6y ago by Shadow1024‭

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Q&A How long can New York City sustain the Snakebot of Doom's hunger for Iron and steel?

The time: January 27th, 2017, 7:00 AM local. The place: New York City and environs. Jormungandr, the Snakebot of Doom, has just finished steamrolling New York City into something more closely res...

2 answers  ·  posted 7y ago by Monty Wild‭  ·  last activity 6y ago by Monty Wild‭

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Q&A Air routes around a "hurricane eye" on a tidally locked planet

On a tidally locked Earth-like planet a big part of long distance air routes would have to approach the hurricane eye and some may even benefit from it. On Earth aircraft are able to save time and...

2 answers  ·  posted 7y ago by Shadow1024‭  ·  last activity 7y ago by Shadow1024‭

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Q&A How to remotely spread life?

Our planet is dying. Cliche, I know, but unfortunately true and we do not have superpowers or the technology to build generation ships to escape. We have maybe a hundred years left, and we have d...

2 answers  ·  posted 7y ago by Dan Bryant‭  ·  last activity 7y ago by Dan Bryant‭

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Q&A Could self-driving light rail/subway/tram trains be much shorter (fewer cars) than systems where trains need drivers?

Tech level: more or less contemporary, no tech that would put you in awe. I'm trying to make realistic, driverless, mass-transit system. The first idea was that "driverless" implies that in each ...

5 answers  ·  posted 7y ago by Shadow1024‭  ·  last activity 7y ago by Shadow1024‭

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Q&A In modern world, what is the largest building that could be built overnight?

I've worked a couple of Habitat for Humanity mass builds where entire houses go from a poured foundation to complete in the course of a few days, and whole neighborhoods are built in a week. There'...

8 answers  ·  posted 7y ago by SRM‭  ·  last activity 7y ago by SRM‭

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Q&A Which voltage and frequency would be selected if there were no legacy issues?

Which voltage and frequency would be selected if there were no legacy issues? I can easily find how selection of electricity frequency and voltage was based on backward compatibility and quite arb...

2 answers  ·  posted 7y ago by Shadow1024‭  ·  last activity 7y ago by Shadow1024‭

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Q&A Mermaid means of transportation

Assuming we're talking about a world similar to ours with the difference of the existence of mermaids, that are fishes with an upper half visibly similar to a human's, live in the sea, can survive ...

2 answers  ·  posted 7y ago by Lwoorl‭  ·  last activity 7y ago by Lwoorl‭

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Q&A Detection and response to building a giant robot under the Antarctic ice-cap

In the question, Weapons for a civilisation-destroying giant robot, I asked about what weapons might be mounted on a giant snakebot over 1 km in diameter and over 9km long, equipped with six fusion...

2 answers  ·  posted 8y ago by Monty Wild‭  ·  last activity 8y ago by Monty Wild‭

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Rigorous Science Is non-manmade pandemic a realistic threat to modern first world?

Inspired by this question, and my own answer to it: Avoiding galactic pandemics. World ending pandemics are a common disaster/after-the-end story trope, I'm trying to determine if plausible, and h...

5 answers  ·  posted 8y ago by dsollen‭  ·  last activity 8y ago by dsollen‭

Question biology modern-age