science-based's questions - English 1answer

3.883 science-based questions.

I want a planet that is twice the diameter of earth's but has very similar gravity, atmosphere, and day length. Would doubling the rotational speed of the planet meet these parameters without notable ...

I'm writing something in which the main character has become a vampire, or vampire-like entity, due to the influence of a Lovecraftian horror. What are some things they, as a conscious person, may or ...

Inspired by a brief comment converstaion found here. I would like to investigate the design and development of an alien species whose technological development did not include an understanding of ...

Currently I am working on how to explain a character that can "phase" through objects in a similar manner to Martian ManHunter. His abilities are negated by certain (rare) metals. His ability could ...

Previous questions here: Creating a scientifically semi-valid super-soldier, part 1: Skeleton Creating a scientifically semi-valid super-soldier, part 2: nervous system Creating a scientifically ...

I'm trying to flesh out the history of a fictional galactic society, specifically the initial settlements and inhabited worlds. Something that I thought would be important to settlers would be an ...

This question is going to take some set-up to understand the world it is operating in. This is a modern-day magic world that I've been building up. Magic exists, is hidden, and is quite powerful. ...

In my world, zombies are quite common, and are considered a part of the wild life. Most of the usual flora and fauna are similar to those in IRL. I have three key questions, but I'll put the other ...

I am trying to write a sci-fi setting in a not so distant future in which analog signal (brainwaves, in this case) processing is one of the main points of the plot and pretty much required to explain ...

In pillbugs, sex is determined by two chromosomes: Z and W. Individuals who inherit two Zs develop as males, while ZW individuals become female. But in some populations, these rules are ...

Building on this question: Settings formed by Uncontrolled Terraforming of Venus and Mars via Portals My government, the Great Council of Duhurang1 has authorized the Minister of Astronomic Science2 ...

This is about a fictional material that is meant to be very similar to steel, but very brittle (under regular conditions). This means it breaks under stress instead of being strained signficantly ...

For story reasons, I need my mages to convert a moon on a collision course with their planet into a ring around the planet. The only thing they can do is hold the moon still. They can't do so ...

In my story there will be animals that are incredibly strong and resistant to injury. To better understand how to design my creatures, I'm asking for help understanding how to make the Eurasian Brown ...

Previous parts here: Creating a scientifically semi-valid super-soldier, part 1: Skeleton Creating a scientifically semi-valid super-soldier, part 2: nervous system Creating a scientifically semi-...

I ask the question, not as a subjective "well, Dale, what do ya reckon?" but as a perfectly factual question about tree growth here on earth provided a finite set of physical (natural, real) ...

The Background I have a species of intelligent humanoids roughly modelled after bears. They're hulking great grizzly-sized solitary mesocarnivores. Genus Homo and descended from H. sapiens, but ...

Scenario: An exact copy of our world is sliced in half by a particle beam. The beam has a diameter of 40 meters and moves at a speed of 0.999c. The beam slices the earth from top to bottom in 600 ...

I'm building a story about a world where it has been discovered how to travel to any possible universe according to the many-worlds interpretation, and there's a company which is in charge of sending ...

I've read some lines from wikipdeia and it didn't really help. So... Here I am. My alien species has three genders and all of them are active in the act of reproduction. In doing so, I would like to ...

I haven't been here in a while but I got another question, Would it be scientifically possible for sunlight to cause a zombie to self combust into flames? And if they would only self combust if their ...

I seem to remember reading that in the human genome there's a lot of "inactive" code, codons that might have been useful millions upon millions of years ago but now have no effect on the human body as ...

Premise Despite the streamlined appearance of submarines, it is actually difficult/expensive for them to travel at high speeds. Much of this cost comes from the drag that is induced by the speed ...

Lightsabers are cool, regardless of your opinion of the movies, lightsabers are really cool. From the fact that it can retract the blade to the lack of effort needed to cut through anything only makes ...

Would it be possible for a planet to have an ecosystem where life lives without ever touching the ground? By this, I mean that the producers (whether by photosynthesis, chemosynthesis, or other ...

This is not a fantasy or sci-fi scenario. This is about a doomsday cult terrorist organisation, akin to Aum Shinrikyo, in the present-day real world. Is there any way that such an organisation with ...

Let's say the world is about to deteriorate to an uninhabitable state; and will become fully uninhabitable in 2100AD. Humanity realises that we have to leave this planet and go to Titan1 and the best ...

Would putting a dye on my eyeball to make my sclera (the white of my eye) turn black bring any advantages? I know that wearing black around the eyes reduces glare (as in that functional makeup some ...

I'm making a fairly hard Sci-Fi story, and I was wondering what the most scientifically plausible 'energy shield' (for ships and stations) would be. My world tries to remain true to basic physics, but ...

In one of the documentaries he's featured in, Neil deGrasse Tyson talked about the evolution of the eye. https://www.youtube.com/watch?v=4SXHMm5I-68 The part that's always intrigued me is this: ...

In the world I'm creating, a branch of humans from prehistoric earth were castaway to another dimension by reality bending beings. The dimension exists as a large cavern filled with giant Earth ...

Context To revive the Carboniferous period of earth one man and a group of other scientists have been genetically engineering and breeding land arthropods into giant sizes and exotic shapes since the ...

I am trying to develop an alien species that could live on Titan and at first I supposed it would be easy with the species being able to use yellow, red and near-infrared wavelengths of light to see. ...

Looking most specifically regarding the moons around Saturn, Jupiter, and Uranus. I've been unable to get a concrete answer on this through various sources. I've actually read several articles briefly ...

Say you have a galaxy, possibly ours, with a central black hole. In an instant the black hole falls through a plot hole and vanishes. What happens to the rest of the galaxy? Does everything keep on ...

Kinetic shields From Dune's Handwavium I mean Holtzman-shields to NGE's AT-fields. It's a common practice to make knife fighting/D.E.Ws viable wit a magical shield, that counters any other attack ...

A large comet is quickly approaching my fantasy world. Its impact will spell doom for all life on the planet. Fortunately, there are mages on this fantasy planet who possess a magic capable of ...

I mean can time be controlled within an area or even a small portion of space? I would like to mention time-bombs, which either reverse time in a radius of explosion or take time forward. Also ...

What is a flower or shrub back home is a tree in an alternate Earth, and vice versa. That is something worth exploring. For example, Taraxacum officinale can grow from stems typically up to 5-40 ...

Bird wings are made mostly of feathers, and there's about a million articles out there on that subject. Bats, on the other hand, have wings made largely of skin and bone. These are flexible, giving ...

Detailed Synopsis: I started writing a story wherein advanced technology slowly stop working (starting from most advanced, and progressing until only handmade items function), while the global climate ...

Comics are full of superheros with super strength. These heroes punch through walls, lift and throw tanks, and wrestle with buildings. But that's superhero physics. The fact is that without ...

Fantasy worlds from Asian novels (and related media) have lots of kemonomimis. They are human-ish species that have animal ears and tails. Of the fox, wolf, cat, bear, raccoon, dog, lizard, and so on....

I was just wondering what kind of rule changes court layout etc would happen to have a 'basketball' game in a zero-g arena? I'm assuming the most likely thing to stay is a ball and 2 opposing baskets....

So, awhile back I asked this question Reversing the rotation of the Earth, effects In it I said that, We can probably assume that Dr. Doofenshmirtz wanted this to happen quickly, within a day, so ...

If there was a planet half the earth’s diameter, for which every other aspect of the earth was changed proportionally to keep the Earth’s perfect ratio intact (including having the perfect orbital ...

I request some help with the design of one particular denizen of my fantasy world, tentatively named Boar Troll. It needs to be an ungulate or closely related creature with emerging sentience, and ...

How to justify evolving ears that stick out from your head, on a humanoid. Like this:

Disclaimer: This question uses some liberal wording to get key ideas across. It's not meant to be academically rigorous, so please try to focus on the ideas and not the exact definitions of the terms ...

Imagine there was a material that was mostly identical to steel in almost every way, but instead of a density of $7.85–7.87 g/cm^3$ it would be a tenth of that. That is about 4 times lighter than ...

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