Questions tagged [energy]

Energy is the capacity of a physical system to perform work. Energy exists in several forms such as heat, kinetic or mechanical energy, etc.

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7 votes
4 answers

First story to suggest some successor to steam power?

I would mention that during the 19th century, people spoke of steam (despite it not being very new, perhaps few people had direct contact with it until steam trains, etc. started to expose people) ...
3 votes
1 answer

Were they ever worried about running dry on resources in the Star Wars galaxy?

On Earth, we are constantly worried about running out of resources like metals and oil and natural gas. The Star Wars galaxy uses fusion and hypermatter for energy BUT they mine tons of metal to build ...
86 votes
16 answers

In Star Trek why is warp speed the ultimate litmus test on "galactic acceptance" of a civilisation?

Why is warp speed and first contact seemingly the most important thing in the Star Trek universe for a civilisation to become "enlightened" and then utopic? For example, why couldn't the ...
1 vote
0 answers

Is the Star Wars galaxy in danger of running out of coaxium and tibanna?

Coaxium is the fuel that powers a hyperdrive. It is described as rare but thousands if not millions of beings use it to all the time to power their hyperdrives. Tibanna is also very important and it ...
5 votes
3 answers

How does Destiny in Stargate Universe Store its Energy?

According to Stargate Wikia, the Destiny uses eight "ram scoop" modules to collect plasma from what appears to be the photosphere of stars. Then it is funneled into reactors, where it is converted ...
28 votes
5 answers

Why are the holodecks on Voyager in use if they have energy issues?

I'm watching the first two seasons of Voyager and various episodes have commentary on having energy limitations -- but we constantly see crew using extremely complicated holodeck simulations. Why ...
15 votes
2 answers

How does a sarlacc gain any energy if it keeps victims alive for a thousand years?

When eaten by a sarlacc, according to C-3PO, In his belly, you will find a new definition of pain and suffering, as you are slowly digested over a thousand years. I imagine that keeping a victim ...
0 votes
2 answers

Could it ever make sense to use megahertz as a unit of energy? [closed]

I'm reading Nnedi Okorafor's book Noor. In it, the author describes a character who has invented a way to transmit energy through the air using some kind of light wave. OK, I get it, it's sci-fi, I ...
10 votes
2 answers

Identify a book featuring Free Energy given by an alien [duplicate]

I read this book back around 2002-2004 The protagonist is given the key to perpetual energy by a mysterious alien, all is well until he finds out the energy is actually slowing the earth's rotation. ...
32 votes
8 answers

How powerful is a ZPM (zero-point module)?

In Stargate SG-1 and Stargate Atlantis, an ancient race of humans* developed a technology called a ZPM (or Zed-PM for McKay fans out there). These zero-point modules were capable of immense power ...
28 votes
3 answers

What fuel/resources are used to power engines in the Star Wars universe?

What kind of fuel or resources are used to power most engines in the Star Wars universe? They often reference engines as "reactors". Fusion, fission, something fantasy? Is there a waste product and if ...
17 votes
1 answer

Energy globes flatten everything, turn out be be warp bubbles of starships from another dimension

I read this in the early '70s - I'm not sure if it was in a proper anthology, or just an extra story added in to pad out a short novel to proper paperback size. Set in England (so probably a British ...
2 votes
2 answers

Why aren't wormholes used for energy generation?

The wormholes in the Commonwealth Saga by Peter F. Hamilton seem to be very variable/controllable in terms of size and positioning. The books also devote a significant amount of time talking about ...
8 votes
1 answer

Short (?) story about immortality and end of mankind [duplicate]

I'm looking for a probably short story (but I'm not 100% sure about it) where mankind got this huge achievement (probably immortality but might have been energy) through killing an inferior alien ...
11 votes
2 answers

Movie with an Alien race Which Absorbs Light as a Source of Nutrition [duplicate]

I watched this old cable TV movie when I was younger but I can't seem to find it anywhere in lists on the Internet. I can't remember the year I've watched it but it was around the 2000s, so the movie ...
14 votes
1 answer

Book Identification: Alternate dimension of energy enables FTL travel and colonization

Ok, so the subject line is probably not super helpful. The premise of the book is the discovery of a separate dimension of pure energy. Reactors are created that can punch a hole between dimensions ...
7 votes
1 answer

In Paolo Bacigalupi's The Windup Girl, why are solar and wind power not utilized?

In "The Windup Girl", after the end of fossil fuels, humanity (or at least Thailand) has fallen back to use human and animal power as main energy source. Energy is either stored as food, or in ...
9 votes
2 answers

Nostalgia: City of Light?

I'm hoping to locate a short story in an old SF magazine (late 50s?). Earth has been colonized by extra-dimensional energy creatures with cities build out of pure energy. That energy pours out of ...
4 votes
2 answers

How come energy manipulation is considered so powerful?

From Vulcan to Doctor Solar how can energy manipulation be so powerful? What can they do that is so devastating that they qualify as Omega Level in the Marvel Comics Universe?
11 votes
3 answers

Where did the term "energy signature" originate?

Lots of sci-fi franchises (Stargate, Eureka, Transformers to name a few) love to throw around the term "energy signature" when they want to indicate that something can be magically identified, ...
2 votes
2 answers

Is 2312 a "post scarcity" society?

In a few places the book suggests that human civilization has moved to a post scarcity stage. This seems to be corroborated by the extensive teraforming projects underway through out the Solar system, ...
24 votes
4 answers

How can a Stargate draw power from a black hole?

In "Beachhead" (SG-1 season 9), Col. Carter notes that the only thing in the Universe powerful enough to power an Ori Supergate is a black hole, and indeed the Ori manage to collapse an entire planet ...
-1 votes
1 answer

Do Events in one parallel universe affect other parallel universe [closed]

Do Events happening in one parallel universe might have some effects in other parallel universe? In parallel universe, there is a possibility of energy flowing from one parallel universe to another. ...
12 votes
1 answer

How are transporters able to transport energy?

It has always been my understanding that Start Trek transporters were an elaborate form of replicator. That is, when a person or thing is being transported, only a data stream is really being ...