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Worldbuilding : Recent Questions and Answers

Find answers to your questions about Worldbuilding or help others by answering their Worldbuilding questions.

Why can't spaceships go underwater?

It is a somewhat common limitation of spaceships in some universes, that they cannot go underwater. They can land on the planet, take off into orbit, hyperdrive into the next...

Asked on 11/30/2021

22 answer

What is the optimal rate of mutation (for evolution)?

Evolution requires a process: Mutations occur; most mutations are harmful/detrimental, but a few are beneficial. Then, beneficial mutations are selected for. It seems to me that there is...

Asked on 11/30/2021 by cowlinator

2 answer

How movable are miniature black holes?

I've purchased a miniature black hole on ebay. I've heard they make excellent kitchen disposal units. Unfortunately the seller says it is for collection only. Will I be able to...

Asked on 11/30/2021

2 answer

Which modern firearm should a time traveler bring to be easily reproducible for a historic civilization?

Eureka! Our hero just discovered the secret of time travel, but what to do with it? "I know!", he says. "I will travel back in time as far as I...

Asked on 11/27/2021

13 answer

Is this subspeciation plausible?

Below is a diagram showing transverse cross sections of skulls representative of the two subspecies (A and B) of the Trilateral* species. Is it plausible that such obvious differences –...

Asked on 11/25/2021 by rek

4 answer

Weather forecast for colossal O'Neill cylinders?

I think we can predict with great accuracy what's the weather going to be in a small O'Neill cylinder since we get to control the humidity and air flows, etc...

Asked on 11/25/2021

1 answer

How do you build an underground city that "cuts through" a mountain range?

Let's say I have a mountain range similar to the Andes but with no easy passes, hence forcing everyone to circle around it (for hundreds or even thousands...

Asked on 11/25/2021 by Hankrecords

9 answer

What impact would a magical curse that saps the life from plants have on bodies of water?

I have a region in my homebrew D&D setting that used to be grassland/fertile farmland, and the breadbasket of the elven empire, until some wizards did a collective magical ritual...

Asked on 11/25/2021 by Ettina Kitten

2 answer

What wavelength should I use for my ray gun?

A villain is wreaking havok in town. He can become intangible at will, making him invulnerable to all conventional weapons and the hero team's powers. However one of the heroes...

Asked on 11/25/2021 by Teleporting Goat

6 answer

Would there be any reason to colonize the coastal regions of a lifeless Earth-like world?

I'm designing a setting (or in this case, a game) that is dealing with the early days of a colony on a new Earth-like planet (but without any contact with...

Asked on 11/22/2021 by PixelArtDragon

23 answer

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