# Tag Info

Accepted

### Why does Deep Space Nine spin?

According to the Star Trek: Deep Space Nine - Technical Manual the rotation was driven by four factors: To control the rotation imparted by the processes of docking and undocking spaceships. To ...
• 702k
Accepted

### Why is the crew of spaceships exposed to quakes and trembles in a battle?

This is addressed in the TNG Technical Manual. The Enterprise has artificial gravity (of 1g) pulling the inhabitants downwards. When the ship experiences sudden unexpected movement, the ship is able ...
• 702k
Accepted

### Is there any explanation as to why small scale vehicles—such as X-Wings and T.I.E. fighters—in “Star Wars” have gravity?

Because if such ships did not have artificial gravity or inertial compensators, the occupant would be reduced to chunky salsa every time the ship sped up, slowed down, or rounded a curve. This ...
• 38.7k

### Why does Deep Space Nine spin?

It is not gravitational We can be quite sure that the station is not spinning for the purpose of creating gravity, because the final scene of "What You Leave Behind" zooms out of an upper Promenade ...
• 9,554
Accepted

### What's the gravity maintained in Ceres?

As far as I remember, they never gave out that level of detail on the TV show. We're just told that Ceres has much lower gravity than Earth. In the novels that the show is based on, the gravity is ...
• 104k

### Is there any explanation as to why small scale vehicles—such as X-Wings and T.I.E. fighters—in “Star Wars” have gravity?

For manned craft that travel at the speeds involved in Star Wars, artificial gravity is a necessity. Small changes in direction would produce forces that would pulverize a human pilot. So if you want ...
• 98.6k

### Did Kubrick take care to get the strength of artificial gravity correct in "2001: A Space Odyssey"?

Partial answer: In the book the "carrousel" in Discovery is 35 feet in diameter. As it made one revolution every ten seconds, this carrousel or centrifuge produced an artificial gravity ...
• 52.1k
Accepted

### In The Expanse, how does rotating Eros create gravity?

From the source novel, Leviathan Wakes, we learn that people live inside Eros. The spin does indeed threaten to spin them off into space, but the floor (really the exterior walls) prevent this from ...
• 702k

### Why is there gravity in the pod bay on Discovery One in 2001 and 2010 movies?

If you watch the 2001 clip more carefully, you can see that most of the time, the actors are walking with a very stilted step (also mentioned in comments). Either the floor, or their shoes, are ...
• 11.8k
Accepted

### SF short story about a man trapped in torus with triangular cross-section

"What Dead Men Tell", a novelette by Theodore Sturgeon which was also the answer to the question Corridor with a dead body turns out to be in a Möbius strip; first published in Astounding ...
• 167k
Accepted

### Why not increase gravity when an intruder is on board

At least as of the TNG era, the artificial gravity system does not appear to have been designed to be modulated on the fly. According to Section 12.3: Artificial Gravity Generation of the fully canon ...
• 111k

### Are repulsorlifts anti-gravity?

Repulsorlift technology is explicitly called out in the Star Wars: The Force Awakens: Incredible Cross-Sections as being a technology based on anti-gravity. "Repulsorlifts allow a craft to ...
• 702k

### Why is the crew of spaceships exposed to quakes and trembles in a battle?

Whatever means of generating artificial gravity you have, it can't react to changing acceleration quickly. If it could react quickly, it could conceivably start oscillating (gravity going up and down ...
• 18k

### Is there any advantage to the design of Yorktown Station from Star Trek Beyond?

In the introductory scene, we see other characters marveling at the station with only McCoy concerned about it; McCoy: [It] Looks like a damn snow-globe in space just waiting to break! The ...
• 4,969
Accepted

### Crime investigation involving quantum computers

The book is Annabelle Scheme by Robin Sloane, available for free on the author's homepage A Google-like search company develops quantum computers: For the next forty days, Grail wasn’t just ...
• 86
Accepted

### Which Sci-Fi work introduced the concept of "Artificial Gravity"?

1930: The exact phrase "artificial gravity". The OED's earliest citation for the phrase artificial gravity is from Olaf Stapledon's 1930 novel Last and First Men: A Story of the Near and Far ...
• 167k

### Can't remember book or author for anti-gravity ship

I'm hesitant to give this as an answer, because I don't have any good references and my own memory is pretty hazy, but it could be The Moonlanders, by W. C. Chalk. There's no lens in that story, but ...
• 16k

### Is there any advantage to the design of Yorktown Station from Star Trek Beyond?

When you think about how advanced Federation technology really is... the Yorktown starbase is really not a big deal to design and construct (in a short span of time). They could have easily made just ...
• 686

### What collection of short stories contained the Mother of Invention. About an anti gravity drive on a planet with a heavy diamond content

The story you're describing is "Mother of Invention" by Tom Godwin. Five fortune hunters are marooned on Aurora - a hitherto unknown earth type world full of diamonds - diamond boulders, ...
• 702k

### Which Sci-Fi work introduced the concept of "Artificial Gravity"?

TvTropes to the rescue! Listed amongst other examples on Artificial Gravity, under the Literature section, is a book titled Auf zwei Planeten (On Two Planets), written by German Sci-Fi author Kurd ...
• 20.3k

### Independence Day - Why is there gravity in space?

After their ship is reactivated, we can see it floating unsupported in the underground hangar. It clearly has some anti-gravity technology. We also see it putting on crushing acceleration without ...
• 1,364

### Why did Alara have to go home?

It doesn't appear that the technology is cutting-edge, just that it's not something that can normally be done on a ship like the Orville and she needed to get to a high-G world asap. Captain Mercer: ...
• 702k

### Did Kubrick take care to get the strength of artificial gravity correct in "2001: A Space Odyssey"?

The book 2001: The Lost Science, which is filled with diagrams and notes from Frederick I. Ordway III (the main science consultant for the movie), says on page 41 that the Discovery has an internal ...
• 57k
Accepted

### What is the acceleration for different crews in the Expanse?

Much of the time, the novels don't specify exact figures - 'heavy burns' are referenced without further detail. That said, there are some clues in odd passages of text. There are several factors to ...
• 21.6k

### Short story: Mindset of believing something is possible (even if not true) influences the outcome

This is probably "Noise Level" by Raymond F. Jones as per Government investigating home library of missing inventor. Many of the country's top physicists are gathered together and are shown ...
• 231k

### Why is there gravity in the pod bay on Discovery One in 2001 and 2010 movies?

They have velcro on their shoes. The stewardess came walking up the narrow corridor to the right of the closely spaced seats. There was a slight buoyancy about her steps, and her feet came away from ...

### How do stars stay in position in the Battle Room?

Local volumetric modifications to the electronically generated gravity fields The semi-canonical The Technology of Ender's Game: Some Thoughts on How the Battle School and the Battle Room Might ...
• 95.3k

### Why not increase gravity when an intruder is on board

I don't know if there's a canon answer, but one sensible possibility is that this is more likely to kill the person you're trying to capture than trapping them with forcefields and hitting them with ...
• 5,934