Questions about the physics of a fictional universe.

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18
votes
1answer
644 views

What happens to lasers in space battles?

In space battles, there are many missed shots. What happens to the lasers when they fly off into space? Do they eventually just fizzle out, or do they continue on forever? You would think that ...
-1
votes
0answers
53 views

Spacetime time dilation during warp travel instead of the ship?

According to answers I've seen on here, starships in Star Trek do not experience time dilation at warp speeds due to the ship being surrounded by a static warp bubble and isn't moving. Rather, ...
-4
votes
1answer
39 views

What can be the way of the light [on hold]

All we know that from the Sun to the Earth is comming light. But what can be the motion of the one particle of the light? Its have the source of the light Sun and opened eye on the finish of this ...
13
votes
2answers
217 views

Do you keep momentum when you Apparate?

For example, if you were falling, facing upwards, and you Disapparated, would you continue to move backwards really fast once you got there? If so, could you change your momentum by Apparating to a ...
1
vote
0answers
90 views

Firing from Starkiller Base [duplicate]

In the movie we see This event appears to be observed simultaneously and instantaneously/in real-time by multiple characters from a variety of very different vantage points. For instance: Han, ...
2
votes
2answers
227 views

In ST:VOY why didn't fluidic space collapse into a black hole?

I've been thinking about this question for many years, and today I came upon this amazing question, Why didn't fluidic space crush Voyager?. Part of the accepted answer is: It is safe to ...
6
votes
1answer
433 views

When Jon Snow stuck his sword through a head and out the mouth in S4E5, was that physically possible?

This is the scene I'm referring to: Given the limits of human strength, and materials on Earth used to build a sword, and the hardness of a human skull, would this be ...
1
vote
1answer
287 views

“The Martian” and weight units [closed]

In the book (and probably in the movie too, can't remember) there's several mentions of kilograms, with no mention of the difference between kilograms on Mars and on Earth, at least if you try to lift ...
3
votes
3answers
299 views

How strong would Clark have to be to lift the school bus out of the water?

How much additional weight would the water have added to the bus and how much strength would be needed to lift the bus out of the water in the way that he did?
-1
votes
3answers
323 views

Spells such as Wingardium Leviosa - where does the force come from?

In the Harry Potter universe, spells such as wingardium leviosa can move objects with no apparantly visible force being applied. Is there an canon explanation (or non canon otherwise) explanation of ...
2
votes
1answer
288 views

Are the space sounds in Star Wars diagetic or not (i.e. Do the characters hear them)? [duplicate]

This question relates to this one: Why and how can you hear explosions in space in Star Wars? Among the answers are this one and this one, among others, that simple put, point out that just because ...
-2
votes
1answer
128 views

Why doesn't The Flash catch fire due to air friction? [duplicate]

What protects The Flash from air friction? At the speed at which he moves, he should be affected by air friction.
-1
votes
1answer
219 views

To the other side

If the Millennium Falcon went into light-speed, it'll be on the other side of the galaxy by now. ~ Admiral Piett As far as I know, it takes a couple of days to cross the galaxy at light-speed. ...
5
votes
2answers
375 views

Story set inside a sphere

This is a story with a civilisation whose "planet" is the inside of a sphere, like an inverted/hollow world (or Dyson sphere but that's not quite the same thing). The physics in the story is made up. ...
20
votes
3answers
2k views

How does mass conservation work in the MCU Ant-Man movie?

In Ant-Man, it's (briefly) explained that the Pym particle reduces the distance between molecules, allowing a person to shrink while retaining his mass and strength. Much of the movie is consistent ...
3
votes
0answers
77 views

How much power does the Martian heat ray output? [closed]

In the influential H. G. Wells story, The War of the Worlds, the Martian fighting machine has a heat ray capable of projecting intense heat against anything it is turned on. I think the most ...
6
votes
1answer
98 views

How was the messaging system in The Arrows of Time (Orthogonal #3, by Greg Egan) supposed to work?

In particular, why didn't messages being relayed from the future use up bandwidth and prevent new messages from being sent back?
2
votes
1answer
466 views

What is the wattage of the Death Star's superlaser? [duplicate]

A question on /r/askscience talks about how big a nuke would have to be to disperse Jupiter. A question here on StackExchange talks about whether or not the Death Star could "Take out Coruscant" due ...
3
votes
1answer
229 views

Looking for the name of a book where a physicist gets transported to a medieval world

The character meets a witch of some kind that sucks the life from men, but manages to escape. He first encounters her when she seems to be running from some kind of creature or guards. He helps her ...
1
vote
0answers
74 views

The Aesthetics of impossible or unreal physical phenomena [closed]

I am a MA Design student working on a project to illustrate experiments on speculative/fictional physical events. My final work will consist of strongly simplified staged experiment lab situations and ...
3
votes
2answers
215 views

Niven's “Neutron Star:” plausibility of premise?

It's been a long time since I read the Larry Niven story "Neutron Star," so I'm relying mainly on the Wikipedia article (linked). The body of my question is hidden behind spoiler tags because there's ...
2
votes
1answer
253 views

Hypometric Weapons in the Revelation Space Universe

The hypometric weapon shows up in Alastair Reynolds' Revelation Space series. Its effect is to delete all matter in some sphere, aimed by the operator. The name "hypometric" is tantalizing, ...
4
votes
2answers
101 views

In-system Space flight mechanics in the Union/Alliance universe

I am having trouble understanding the in-system space flight mechanics in the Union/Alliance universe. It seems that the spaceships come from Jump at a moderate high fraction of lightspeed, which ...
2
votes
2answers
639 views

How can ship crew walk in USS Enterprise?

Has there been a scientific explanation for ship crew walking in spaceships in Star Trek? I know rotating stations can create artifical gravity but USS Enterprise does not rotate, at least not enough ...
1
vote
0answers
278 views

What is the relativistic energy of the destruction of Alderaan? [closed]

When we watch, with Princess Leia, the demolition of her home planet Alderaan, we can see the chunks of the planet blowing away at what seems like a really high velocity. Just having watched the ...
2
votes
2answers
287 views

Could the Quadros 1 probe have been launched in 2193?

The Star Trek: Deep Space Nine episode "Emissary" establishes the existence of the Quadros-1 probe, which surveyed the Gamma Quadrant. Apparently it encountered the Idran system, close to the Gamma ...
6
votes
4answers
367 views

How can Quicksilver run with someone with out injuring them

If quick silver can go that fast if he didn't hold the persons neck would his sudden burst of speed snap their neck or would they just have whiplash like in X-men Days Of Future Past?
10
votes
4answers
3k views

Interstellar — Black hole manipulation?

Some things have confused me about the black hole in Interstellar. Namely: How did Cooper ever leave the black hole once he was inside it? How was Cooper able to suspend in the tesseract? Something ...
1
vote
0answers
149 views

What is the most massive planet a human could stand on? [closed]

At what mass does a planet's gravity become so great that a human can't actually physically remain standing under their own power? To clarify, I'm talking about a trained astronaut, so I'd assume they ...
-2
votes
3answers
653 views

Why doesn't Hulk tear his muscles when lifting very heavy things?

I have doubts that it's realistic for a creature like Hulk to actually lift and throw cars and such heavy things without causing himself a torn muscle similar to what happens to a weight lifter ...
3
votes
1answer
369 views

How can Wolverine cut through heavy moving objects without getting knocked down?

Wolverine has claws to cut anything, but if I had a knife, even one made out of adamantium, and tried to hold it against a car coming towards me, or a moving airplane, my arm wouldn't be strong enough ...
10
votes
2answers
488 views

Why did the team members come FLYING through the gate when arriving on Destiny?

It has been well established in the Stargate universe that anything entering the gate will exit on the other side with the same velocity (speed and direction) as it entered. In the opening scene of ...
-2
votes
1answer
461 views

In terms of energy output, what type of bending is strongest? [closed]

From a physics standpoint, which school of bending is able to create or exert the most energy? Cases for each that I considered: Air: Probably the weakest, since air has little mass and is easy to ...
20
votes
6answers
1k views

When a ship drops out of warp does it retain the speed it was at when it entered warp?

Within the Trek Universe, if a Starship was to enter warp while at full impulse, would it still be at full impulse when it dropped out of warp? In the same vein; Is it even possible to enter warp ...
3
votes
2answers
325 views

Compasses on Arda

Would a compass work on Arda? Or rather, beginning in what age would a compass work on Arda? ... and the follow-up question: Why don't Frodo and Sam use a compass in the Emyn Muil?
8
votes
2answers
1k views

Physics behind the “force push”

When a gifted character uses "push" on something/someone, he/she doesnt get involved in action-reaction force pairs. Here is some force on human body as an action. Where is the reaction? On the ...
4
votes
3answers
318 views

How could the matter converter in Tron Legacy generate an army

E=MC2 is a physical law, matter and energy are linked. Theoretically it would be possible to convert a significant amount of energy into matter, like reverse nuclear fusion. How would the matter ...
2
votes
3answers
316 views

Was the idea of a tidal dislocation weapon ever suggested in SciFi? [closed]

In an intense and non uniform gravity field, the various parts of a moving body tend to follow different trajectories, and will unless the whole structure is tied strongly enough to prevent flying ...
13
votes
3answers
5k views

In Gravity, are the orbital mechanics of space debris plausible?

I Gravity, a satellite somewhere is shot down by a missile, and the debris from that hits other satellites causing a chain reaction of rapidly increasing amount of space debris. The protagonists are ...
0
votes
1answer
577 views

Excessive force used by Superman mysteriously fails to cause injury?

It was established in an answer to another question that Sheldon from Big Bang Theory was wrong to say that Superman doesn't have enough space to gently decelerate Lois when he catches her and a ...
8
votes
3answers
1k views

How can S-foils (X-foils) help with heating in space?

S-foils were made famous by Star Wars' X-Wing star fighter. But why were they needed in-universe aside from "Lock S-foils in attack position" sounding cool? S-foil Wookiepedia has this to say: ...
5
votes
2answers
538 views

How do I place a stationary wormhole on a planets surface?

In the Commonwealth Saga by Peter F. Hamilton (and many other universes) the planets are connected by large wormholes, that stay on the surface of the planets, so you can travel through with vehicles ...
4
votes
1answer
156 views

Equal Mass in both universes in Fringe

I'm only just getting to season 3, so if this has been answered later, just say that. In 2x14, Jackson, Walter says that the two universes will try to fix an imbalance in the mass of it's own ...
15
votes
2answers
6k views

Why do diesel cars not work in Revolution?

Revolution is a post-apocalyptic TV series, where the main premise is that some sort of technology was used to disable electricity (as in not just the mains but electricity even in batteries doesn't ...
21
votes
5answers
2k views

Is there a canon explanation for why Star Trek ships bank when turning?

This is quite obvious if, like me, you've played the Star Trek MMO where the game designers were inspired by the motion of the ships in the movies. I think it's most noticeable when the Bird of Prey ...
4
votes
2answers
306 views

Lorentz contraction in sci-fi?

In particular, I'd like to remember the title of a SF novel that I read a thousand years ago. Unfortunately I have forgotten almost every detail, except one that's stuck in my mind: after encountering ...
9
votes
3answers
2k views

What kind of battery does WALL•E run on?

WALL•E has been working for several hundred years and one of the keys to this is his ability to use parts of broken robots to replace his own broken parts. Now this won't work with the electrical ...
2
votes
3answers
374 views

How does or doesn't the physics of Mistborn mesh with Newtonian physics?

In the Mistborn series by Brandon Sanderson, it is mentioned a few times that if you push some thing that's lighter than you, it will be pushed away, while if you try to push something heavier than ...
12
votes
5answers
21k views

What is Iron Man's flight range and max air speed?

In the Iron Man movie Tony flies the Iron Man armour from Miami to Afghanistan, roughly 7800 miles. What is the maximum range of the Iron Man armour? What sort of speed does the armour cruise at? ...
7
votes
2answers
702 views

In WALL•E, why does everyone get thrown when the Axiom suddenly lists?

In WALL•E when Captain McCrea is fighting for control of the Axiom, he ends up forcing the ship to abruptly list when he's thrown off of Auto. This, of course, has the undesirable side effect of ...