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Rigorous Science

Posts tagged physics

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Rigorous Science What are Some House Games for Free Fall? [closed]

Living in space can be boring. What are some good home games for people living and working in free fall? I thought of a few - Bocce : in this variant the size of the jack and the player balls i...

0 answers  ·  posted 2d ago by James McLellan‭  ·  closed 1d ago by Canina‭

Question space physics sports
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Rigorous Science How Could Golf Change in a Low-Gravity Environment?

Low gravity golf was invented by Alan Shepard in 1971 when he hit two golf balls 40 yards on the moon. Surprisingly, this version of the sport with little atmosphere and much lower gravity, is the...

0 answers  ·  posted 5d ago by James McLellan‭  ·  edited 3d ago by James McLellan‭

Question physics sports
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Rigorous Science How Would the Sport of Wrestling Change in a Microgravity Environment?

How would competitive wrestling change in a microgravity environment?

2 answers  ·  posted 20d ago by James McLellan‭  ·  last activity 13d ago by trichoplax‭

Question physics sports
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Rigorous Science Meaning of Non-Locality?

Theory If I am understanding this history of this correctly, in the 1920s the mathematical process of converting measurements with a certain amount of measurement error into numbers, then doing yo...

0 answers  ·  posted 25d ago by James McLellan‭  ·  edited 17d ago by James McLellan‭

Question physics
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Rigorous Science What Would a Femtometer Scale Utility Fog Be Useful For?

Utility fog is a swarm robotics concept in which a mesh of robots barely larger than a grain of pollen (5 micrometer ( $10^{-6} $ m ) bodies and 50 micrometer arms) are dodecahedrons (12 sided pol...

0 answers  ·  posted 30d ago by James McLellan‭  ·  edited 30d ago by James McLellan‭

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Rigorous Science How to protect intelligent fluids from heat damage?

So, Second Earth had/has a firearm problem. Since my magic is really just advanced science, I can't create firearm-disabling fields, so instead, I created a spell that should be able to ruin firear...

2 answers  ·  posted 1y ago by Mr. Mistoffelees‭  ·  edited 1y ago by Canina‭

Question physics robots
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Rigorous Science Difference between 'AWPP' and standard quantum physics

Quantum Computers are considered a more powerful type of computer than so called 'classical' computers. While a typical classical computer could be considered as a black box that can solve Polynomi...

0 answers  ·  posted 2y ago by Mithrandir24601‭

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Rigorous Science An alternative way to rotate or in this case rolltate

As far as we know Earth and every other planet in the solar system rotate around their axes. Whether it be Uranus which rotates on its side or Mercury which rotates perfectly straight, all planets ...

5 answers  ·  posted 2y ago by Nanoshadow‭  ·  last activity 2y ago by Matthew‭

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Rigorous Science How efficient can a Dyson sphere be?

The shell variant of a Dyson sphere consists of an artificially-made shell of material about 1 AU in radius encircling a star. The sphere captures most of the star's energy and stores it for future...

1 answer  ·  posted 2y ago by HDE 226868‭  ·  last activity 2y ago by celtschk‭

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Rigorous Science Is it possible to create a beam of non-relativistic neutrinos?

Neutrinos have extremely low masses, and it's quite easy for them to reach high energies and speeds. As such, it almost always makes sense to treat a neutrino as being relativistic. I've been doing...

1 answer  ·  posted 2y ago by HDE 226868‭  ·  last activity 2y ago by dmckee‭

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Rigorous Science How fast would strange matter conversion go?

Background: So this Kurzgesagt video talks about quark stars, and how two of them colliding could send strangelets flying towards Earth or the Sun. Now it's been said that since, theoretically (as...

1 answer  ·  posted 3y ago by Nierninwa‭  ·  last activity 2y ago by HDE 226868‭

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Rigorous Science Can pion production effectively shorten the lifetime of neutrons?

The known charge-conserving decay modes of free neutrons all involve the production of a proton, an electron and an electron antineutrino: $$n\to p^++e^-+\bar{\nu}_{e}$$ This beta decay is why, out...

1 answer  ·  posted 2y ago by HDE 226868‭  ·  edited 2y ago by HDE 226868‭

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Rigorous Science How could a bad random number generator explain baryon asymmetry?

How can a character explain baryon asymmetry (there is more matter than antimatter) by the universe being a simulation with a slightly imbalanced random number generator being employed at the point...

3 answers  ·  posted 7y ago by Konrad Höffner‭  ·  last activity 2y ago by HDE 226868‭

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Rigorous Science What would a hard boundary mean in physics on the quantum-mechanical level?

In this question I asked about the possibilities of what a boundary might be like, with emphasis on the storytelling. Now I'd like to investigate what a hard boundary would mean in quantum mechani...

1 answer  ·  posted 7y ago by JDługosz‭  ·  edited 2y ago by HDE 226868‭

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Rigorous Science What if the Planck constant was exactly zero?

I was thinking of a parallel universe in which the Planck constant has an exact value of zero. How would this effect the physics of that universe and how would it effect the development of that un...

3 answers  ·  posted 7y ago by Anders Gustafson‭  ·  last activity 2y ago by HDE 226868‭

Question physics quantum
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Rigorous Science Could there be something like the Higgs field which gives particles their energy in a similar way to how the Higgs boson gives particles their mass?

First of all, in no way do I have advanced knowledge of particle physics, quantum mechanics, or any other necessary scientific concept for a full understanding of this question. Secondly, this is p...

1 answer  ·  posted 3y ago by Aeroan‭  ·  last activity 2y ago by HDE 226868‭

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Rigorous Science Which of these changes to physics will have the least effect on Earth's biology?

The Solar System has entered a region of space where the laws of nature are slightly different. It will experience different physics for 3 years, then things will return to what we know now. Which...

2 answers  ·  posted 3y ago by Vogon Poet‭  ·  edited 2y ago by HDE 226868‭

Question biology physics
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Rigorous Science How long would a planet that losses its gravity take to break up?

In my setting, one of the fallouts due to interstellar war between civilisations is that a planet's gravity can be removed. This capability is part of the setting's hyperspace mechanics so the exac...

1 answer  ·  posted 2y ago by Dave Driver‭  ·  last activity 2y ago by HDE 226868‭

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Rigorous Science How can I expand the definition and some specifics of pyrokinesis?

I'm writing a sci-fi world where, if you put it in simple words, a small percentage of population can manipulate the matter. I'm not going to dive into specifics, because I'm still working on WHY a...

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

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Rigorous Science To carry a person in its palm (like King Kong) how much pressure and at what speed would a kaiju need to apply?

Assume my kaiju is around 200 feet tall, weighs around 4,000 US tonnes and resembles a large lobster with two giant claws for its front legs and long spindly limbs with tiny pincers on the ends for...

2 answers  ·  posted 2y ago by Luke Duffy‭  ·  last activity 2y ago by Luke Duffy‭

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Rigorous Science Could a galaxy of Nicoll-Dyson beams hit a single target?

This was an idea for a flashback as I pick up my story around 100 trillions years from now at the point where star formation is ceasing and the red dwarf and stellar remnant era begins. Now living ...

2 answers  ·  posted 2y ago by RandySavage‭  ·  last activity 2y ago by RandySavage‭

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Rigorous Science Scources for metastable Metallic Hydrogen

Recently I've been looking into Metallic Hydrogen as a fuel for the vehicles of my fictional future world. The only issue is that I'm uncertain if the blasted stuff is metastable. And while I kno...

2 answers  ·  posted 2y ago by Seraphim‭  ·  last activity 2y ago by Seraphim‭

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Rigorous Science A clothing material or other method to slow free-fall descent down walls

I'm working on a military sci-fi piece that involves a lot of exo-skeleton enhanced, well, parkour -- for lack of a better term -- and was wondering how to deal with descents from great heights. ...

23 answers  ·  posted 2y ago by Delirium‭  ·  last activity 2y ago by Delirium‭

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Rigorous Science Superfluid lifeform

Could a life form that uses superfluids as part of its biology exist? I've read in places that the issue for life outside of Earth and especially the theorised silicon lifeforms is that the existe...

1 answer  ·  posted 2y ago by Nierninwa‭  ·  last activity 2y ago by Nierninwa‭

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Rigorous Science Adopting a new calendar for a multi-generational space journey [Generations Novel]

This is a mixed physics and conceptual exercise: In my story, we are aboard a multi-generational mission to resettle Humanity on a new planet in our galaxy. In the internal life of the ship inhabi...

3 answers  ·  posted 2y ago by Noam Josephides‭  ·  last activity 2y ago by Noam Josephides‭

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Rigorous Science Spacewalking in 0.3c - is it feasible? [Generations novel]

Imagine a spacecraft travelling at very high speeds, say 0.3c. While a crew member could theoretically suit up and perform spacewalking maintenance on the outer body of the ship, will they be expos...

6 answers  ·  posted 2y ago by Noam Josephides‭  ·  last activity 2y ago by Noam Josephides‭

Question biology physics
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Rigorous Science A Seafloor of Ice and Rock: Ice VI / Water Boundary

Many planets out there will be water worlds. Those generally come in two flavors: either the oceans are so deep that the water turns into high-pressure ices like ice-six, -seven, -ten and -eleven o...

1 answer  ·  posted 2y ago by TheDyingOfLight‭  ·  last activity 2y ago by TheDyingOfLight‭

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Rigorous Science How deep can the oceans be while still alowing some land?

Many alien worlds will most likely be water worlds. I was wondering what the deepest possible global ocean dept is where land is still possible. I think that volcanic islands will still have a chan...

1 answer  ·  posted 2y ago by TheDyingOfLight‭  ·  last activity 2y ago by TheDyingOfLight‭

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Rigorous Science Intermediate Structures Along a Space Elevator

Assuming all the primary hurdles in building a space elevator are overcome, would it be structurally feasible to attach intermediate stops along the length of the tether (between the planet and GSO...

3 answers  ·  posted 2y ago by Rusty‭  ·  last activity 2y ago by Rusty‭

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Rigorous Science What is the tallest mountain possible in any gravitational environment?

In world building it is often interesting to consider extreme landscapes "“ how tall can a mountain be on Earth for example. But what is the tallest mountain possible in any gravitational environme...

2 answers  ·  posted 2y ago by Slarty‭  ·  last activity 2y ago by Slarty‭

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Rigorous Science How small and fast can a bullet go in atmosphere?

In many sci fi universes that don't have handheld energy weapons, they instead use solid projectiles that either go big (Warhammer 40k) or really small (Mass Effect). The former I have a pretty go...

2 answers  ·  posted 2y ago by Seraphim‭  ·  last activity 2y ago by Seraphim‭

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Rigorous Science (Semi) Believable way to quickly submerge a large landmass

I once before asked a question on how to quickly submerge a large landmass/continent. The answers there basically concluded that literally ''Sinking'' (a la Atlantis) is pretty much impossible to...

3 answers  ·  posted 2y ago by Blue Devil‭  ·  last activity 2y ago by Blue Devil‭

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Rigorous Science Question about Kessler syndrome

I'm writing a novel set in a post post-apocalyptic world, where society on Earth collapsed a long time ago and has rebuilt itself by the time the novel starts. I need a reason to keep the people ...

4 answers  ·  posted 2y ago by Dashane Du Plessis‭  ·  last activity 2y ago by Dashane Du Plessis‭

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Rigorous Science Could co-orbital planets also be double planets?

Double or binary planets are a really cool science fiction idea. A second Earth hanging ominously in the sky. Co-orbital or trojan planets are also interesting in that you have them on more or less...

2 answers  ·  posted 2y ago by Axion‭  ·  last activity 2y ago by Axion‭

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Rigorous Science Stability in Lowering a Space Elevator

First question on stack exchange I've been lurking and learning for years and finally decided to pose a question for a novel I'm working on. Given the appropriate advances in material sciences an...

1 answer  ·  posted 2y ago by Rusty‭  ·  last activity 2y ago by Rusty‭

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Rigorous Science Is it theoreticaly possible to phase shift between alternate universe and/or realities?

It's something that's been used several times as a plot device on Star Trek, notably in the TOS episode "The Tholian Web", and the TNG episodes "The Next Phase" and "The Pegasus". I'm certain it's ...

3 answers  ·  posted 2y ago by Hewholooksskyward‭  ·  last activity 2y ago by Hewholooksskyward‭

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Rigorous Science How could an iceberg be created quickly?

For my middle-grade science-fiction novel, I need to come up with an invention or chemical that could rapidly create icebergs to refreeze the Arctic and slow climate change. Kurt Vonnegut's Ice-9 i...

2 answers  ·  posted 2y ago by George Brewington‭  ·  last activity 2y ago by George Brewington‭

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Rigorous Science How big does a pelican type creature need to be to carry a grown up human inside its mouth and still fly?

as the title, my question is how big a pelican like creature with its pouch mouth need to be in order to carry grown up human and still fly. since as far as i know hollow bone is to fragile for hu...

1 answer  ·  posted 2y ago by Li Jun‭  ·  last activity 2y ago by Li Jun‭

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Rigorous Science How could an ability to project fire from your body occur plausibly?

Imagine the ability to shoot long streams of hot fire like a USM2 flamethrower from the palms of your hands. or shooting them out of your feet so you can push yourself off of the floor. An answer w...

1 answer  ·  posted 2y ago by DEMI‭  ·  last activity 2y ago by DEMI‭

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Rigorous Science Control of atmospheric conditions

Background: We discover an artifact in the present day somewhere remote. This artifact is in the form of a small (approximately phone sized) sphere, and when researched, it is discovered to have th...

1 answer  ·  posted 2y ago by Lelu‭  ·  last activity 2y ago by Lelu‭

Question climate physics
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Rigorous Science What might be an effective mode of transportation for Giants?

In my story Giants, humans, and a bunch of other fantasy races live along side each other and i'm curious as to what might be an effective mode of transportation for 10 foot tall Giants with Ancien...

2 answers  ·  posted 2y ago by icewar1908‭  ·  last activity 2y ago by icewar1908‭

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Rigorous Science In what conditions could whales fly?

I am wondering if it is possible for whales to fly. I'm considering two different cases. How could we alter earth conditions (thickness, gravity) so that whales could actively fly (without changi...

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

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Rigorous Science Semi-FTL quantum communications

I'm trying to come up with idea's that have some plausibility of sending information FTL. So we can entangle particles together. When you measure them you influence them. If you measure one up the...

3 answers  ·  posted 2y ago by Demigan‭  ·  last activity 2y ago by Demigan‭

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Rigorous Science How massive would a planet need to be to sustain negligible damage from impact with the Earth?

I'm curious what factors a terrestrial planet impacting the Earth would require for the impact to cause negligible damage to the larger planet, while destroying the Earth.

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

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Rigorous Science Relativity, Time Dilation and multiple reference frames

I am doing some hard sci-fi worldbuilding and really want to get as much correct as I can, but the effects of high sub-light speed travel on the travellers is doing my head in. I've pored literally...

3 answers  ·  posted 3y ago by Budders‭  ·  last activity 2y ago by Budders‭

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Rigorous Science What is the science behind a wave that changes the laws of physics?

So I remember reading a long time ago about how a theoretical "wave" could exist, as the laws of physics suddenly changed in one place and then this rippled across the universe, basically at the sp...

2 answers  ·  posted 3y ago by Nierninwa‭  ·  last activity 3y ago by Nierninwa‭

Question physics
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Rigorous Science Could a hypothetically big enough planet, with an earth-like atmosphere, be big enough so that you cannot see its curvature from above?

I want to know if a planet with an atmosphere identical to that of Earth could be big enough so that from no point in the lower atmosphere it would be possible to appreciate the curvature in relati...

2 answers  ·  posted 3y ago by D3lf‭  ·  last activity 3y ago by D3lf‭

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Rigorous Science Feasibility of floating city-sized forests

My world is essentially a Neptune-sized gas planet that got seeded with life and its surface layer filled with oxygen, therefore gaining a sizeable layer with Earthlike conditions. Within this la...

3 answers  ·  posted 4y ago by user199429‭  ·  last activity 3y ago by user199429‭

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Rigorous Science What biological trait could make (certain members of) an insectoid species good at astronomy?

This is a science fiction intelligent alien biology question. I'm imagining a race of large (around 2m in height) insect-like species on a distant planet who discovered astronomy VERY late in thei...

12 answers  ·  posted 3y ago by Iroh‭  ·  last activity 3y ago by Iroh‭

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Rigorous Science What would happen to a gas giant during a supernova?

Fairly straightforward question. Imagine a gas giant planet, like the size of Jupiter, in orbit around a massive star. The star goes supernova. What happens to the planet? Is the energy of the su...

2 answers  ·  posted 3y ago by Geroditus‭  ·  last activity 3y ago by Geroditus‭