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James McLellan's user avatar
James McLellan's user avatar
James McLellan's user avatar
James McLellan
  • Member for 6 years, 7 months
  • Last seen more than a month ago
11 votes
9 answers
3k views

Feasibility of super-fast airlock using Utility Fog

10 votes
5 answers
3k views

Cops-and-robbers when the criminals have near-perfect knowledge of the cops?

10 votes
1 answer
274 views

Can Lenz's Law Allow a Simple Block of Metal to Divert a Charged Electron Beam?

10 votes
3 answers
892 views

How Long Would Artifacts Last Under the Moon's Surface?

8 votes
4 answers
810 views

What's it Like to Fire a Sci-Fi Laser Rifle

6 votes
1 answer
605 views

What is the Feasibility of a Cloud Colony on Saturn?

6 votes
2 answers
297 views

What's the Use of a Susskind Hologram?

6 votes
2 answers
1k views

Help Fix My Space Elevator - Untapered Steel Cable

5 votes
3 answers
655 views

Hard Sci-Fi Werewolf

5 votes
2 answers
403 views

Is There a Term for a Representative Democracy That Delegates Day-to-Day Decisionmaking to Voters? [closed]

5 votes
3 answers
596 views

FTL Drive Reality Check

5 votes
2 answers
218 views

What Adaptation would Humans in a Volcanic Underworld Develop?

4 votes
3 answers
408 views

Feasibilty of Chainmail in 12th Century Medieval Settings

4 votes
7 answers
266 views

Beating “A Good Deal at Any Price”

3 votes
3 answers
255 views

Considerations for venturing near a neutron star

3 votes
0 answers
108 views

Can Anyone Recommend a Tool for Map Building? [duplicate]

2 votes
0 answers
132 views

How Would a Base Pi or Base Phi Number System Impact a Culture? [closed]

1 vote
4 answers
209 views

How to Get Past The Apocalypse - Quickly [closed]

1 vote
1 answer
293 views

Sanity Check : Utility Fog

-2 votes
1 answer
57 views

Review of the Archetype / Trope of an Arch-Fiend [closed]

-2 votes
1 answer
263 views

Performance Comparison of Some Common Sci-Fi Propulsion Systems

-2 votes
1 answer
178 views

What are the Ground Effects of the South Atlantic Anomaly [closed]

-3 votes
1 answer
184 views

Can Communism become a stable economic strategy? How? (Update) [closed]

-4 votes
2 answers
198 views

Please Check My Fictional Calculus (Halting Problem, Incompleteness)