Search
Something you may not have thought of: the Earth-Luna system has the barycenter inside the Earth's radius. Fairly deep inside, in fact -- about 25% of the way down from the surface. Your system as...
I assume proper hygiene to prevent post-implant infections, which would otherwise be the biggest risk. Presumably the lab-grown hair needed some hormone(s) to stimulate its growth. There's a chanc...
You would send out a small laser or radar retroreflector out of the side of your ship and observe the tracking angle. Knowing the speed of your marker you can calculate the speed of your ship with...
I've sketched out an island, and then threw some tectonic plate boundaries on top hoping it would help me plot mountains. But the more I look at geological diagrams of plate boundaries, and read u...
Is it possible for a large enough Ion Drive with enough power to be dangerous to other objects "down wind" of the vehicle, even at long distances (100+km)? As I understand it, ion drives accelerat...
Time travel works...just invented, by you. The tests prove it! After many conversations and significant planning, your epidemiologist significant other has approved your plans for time travel, for...
I have an idea for a land based mobile organism that moves and uses photosynthesis for its primary means of energy generation. Can a motile organism conceivably get enough energy from photosyntheti...
It's my understanding that if an Alcubierre drive were to be constructed, it would be able to function as a time machine because there would be certain paths through you could take to get to a dest...
How does a Neandertal compare with an anatomically modern human? This diagram below is a simplification of the real answer: The average Neandertal male stood 64 inches tall, weighed 143 pounds an...
How could I modify an alternate Earth to have less tornados in the American Great Plains area known as Tornado Alley? Maybe make the Rockies lower? Introduce an east-west range of mountains or high...
What coloration pattern/ technique could a large mammalian predator employ to evade detection from other mammalian predators at 100 -> 20 meter distances (or close enough so that it could sprint...
Price's Law is a hypothesis that in an organization, or across an industry, roughly half the productive output is being generated by a number of people equal to the square root of those participati...
This question really has no answer because it is phrased in a way which doesn't actually have much meaning. As phrased, it appears as though the universe is governed by these constants, which can ...
Yes and No. Yes: Therefore, strong enough magnetic fields have the ability to deform and even break objects. When a magnetic field gets stronger than about 500,000 Gauss, objects get ripped to pie...
A classic image of mermaids are their long flowing hair that swishes in the water. But in the scientifically realistic sense this makes none. The hair would be nothing more than a nuisance to the m...
What would be the best way in which to genetically modify (or create through some other method) an animal which breeds normally for a certain number (50?) of generations before becoming sterile? Ge...
I want a world in which animals roam the wilderness on four legs, yet at least some of them are able to do the kind of carrying and fine handling of objects done by humans. The planet is superficia...
Nature does this on its own, given enough time. Different tree species have evolved different strategies. Some require a lot of sun, grow fast, and make a lot of seeds before being overshadowed b...
The Earth would be broken into pieces if the total energy delivered by the impacts was comparable to the gravitational binding energy of the planet. Earth is a sphere, so its binding energy is $$U=...
I don't think it is feasible for an elephant-sized hyena to hide on the actual hunting grounds, least of all from predators that have similar excellent senses. What it should do is to lay low some ...
Get ready to wave those hands How active do these giants need to be? I ask because Wikipedia's list of tallest people notes a lot of health problems. The 25 tallest people who are no longer living...
It looks like something went wrong during the import, causing imported posts to get the wrong character encoding. I fixed one at https://speculative-science.codidact.com/q/225476, but have come ac...
To replace using the like of the 'hard-science' tag on Worldbuilding SE, we have the 'Rigorous Science' category. As evident in the name, this involves 'research' of some form, but what does this m...
The Strawberry Jam can freeze parts in place that don't heat up much. Parts of the trigger mechanism would be a good candidate. So is making the lock stuck in safety mode. Also, you don't have a...
Looks like it may just be mechanical. According to this article, if true, you can rehydrate white glue with water and heat. https://simpleglue.com/how-to-revive-elmers-glue/
