Linked Questions

19 votes
8 answers
5k views

Teleportation - the collision of matter problem [closed]

I'm surprised I can't find a previous question on this. We all know that being teleported instantly from one place to another has a big problem. If your co-ordinates are off, you might appear in the ...
chasly - supports Monica's user avatar
8 votes
4 answers
357 views

How best to use wormholes for spaceflight?

The goal is to get from Earth to the Outer Solar System, preferably the Kuiper Belt, as quickly as practical, with a crew of about 12, and a not-set-in-stone dry mass around 30 tons. The characters ...
CAE Jones's user avatar
  • 2,041
3 votes
4 answers
443 views

Wormholes as Weapons of Mass Destruction

A wormhole (or Einstein–Rosen bridge) is a speculative structure linking disparate points in spacetime, and is based on a special solution of the Einstein field equations solved using a Jacobian ...
chasly - supports Monica's user avatar
3 votes
6 answers
487 views

Science and Physics of Portals

So I have a character who uses various portals to store and deploy his weaponry and tools. These portals are 2 dimensional portals like those of the game Portal. I have had little trouble with this ...
NuclearWill's user avatar
4 votes
2 answers
1k views

What is INSIDE a Wormhole?

IF they were real, would wormholes work in the way that they do in sci-fi (for all intents and purposes "teleportation", travel without movement, FTL, immediately "appearing" at the other location), ...
Len's user avatar
  • 4,948
6 votes
4 answers
272 views

What can these negative-mass-free wormholes be used for?

There might be a way to build traversable wormholes without needing negative mass. Take a gander: https://phys.org/news/2019-04-wormholes.html Now, these wormholes have a big limitation, they can't ...
Mephistopheles's user avatar
5 votes
2 answers
609 views

How to build a wormhole for FTL communication? [more Engineering than Physics question]

I came to SE WB while I was researching about space radiators for my sci-fi. I don't remember where exactly I found an answer to my question (Maybe? Idr) but I stunned with this site. You all looks ...
Rodolfo Penteado's user avatar
1 vote
3 answers
668 views

No! Not the moon! [closed]

Long ago, two ancient Eldritch Abominations ruled the planet Cyra. Kith, the giant tick-like beast that drains the thermal energy out of the environment, and Eas, who is the planet’s ocean. After ...
Nick's user avatar
  • 5,283
4 votes
1 answer
151 views

Would there be stress on my wormhole between two planetary surfaces due to their orbits?

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 ...
JBH's user avatar
  • 125k
2 votes
1 answer
227 views

Would would occur if a person travelled from a wormhole in flat empty space, to one on Earth?

We are using a Morris-Throne Wormhole Metric. Let's presume the throat of this wormhole (in internal hyperspace) is short, let's say 1km. Now, as you are travelling through the entrance wormhole, ...
MrKred's user avatar
  • 91
0 votes
1 answer
283 views

I have a way of giving something negative mass. Did I just end the world,or usher in a golden age of space travel?

So, somehow, I have discovered a process that makes an objects mass negative. Not its weight, its mass (although, I guess that the weight would also become negative). The thing is, before I try it, I ...
Mark Gardner's user avatar
  • 2,884