John Dallman's user avatar
John Dallman's user avatar
John Dallman's user avatar
John Dallman
  • Member for 7 years, 10 months
  • Last seen this week
  • United Kingdom
6 votes

How could a small fantasy world survive hundreds of years of darkness?

6 votes
Accepted

Battle tactics for portal warfare / exploration

5 votes

Secret Nike missile sites?

5 votes

What could Napoleon have done to keep his Empire intact?

5 votes

How could a planetoid located at L2 appear similar to our moon?

5 votes
Accepted

Can an independent country join the commonwealth?

5 votes

Would an ice bullet work?

5 votes

What could cause extreme gravitational effects to earth without destroying the planet outright?

5 votes
Accepted

Is it possible for an alien race to create an aurora?

5 votes

What would kill all flora on Earth and what would happen with the atmosphere

5 votes

What could cause toxic gas to shroud the world?

5 votes

Would humans be able to derive nutrition from foodstuffs found on alien planets?

5 votes
Accepted

What happens when a mini star forms and falls on earth?

5 votes

Personal Shield Generators effects on Strategy/Logistics/Tactics

5 votes

Language threshold for a species

5 votes

What does it take to be entirely self-sufficient?

5 votes

How to introduce my perpetual motion invention to the scientific community?

5 votes

Do clones have fingerprints?

5 votes
Accepted

What levels of atmospheric carbon dioxide can humans cope with on prehistoric Earth?

5 votes

Can pirates still exist and be cool in a near future?

5 votes

Is it possible for a moon to stay on the same side of its planet relative to the sun?

5 votes

Can I have my blue/green habitable Gas Giant?

5 votes

What substance could stop a magnetic field?

5 votes

How to build a telescope using gravitational lensing?

5 votes

How big a telescope would we need to see the light distortion effects of a black hole the mass of the Moon, at the distance of the Moon?

5 votes
Accepted

Would this atmosphere require humans to wear gas masks but perhaps get acclimated over time?

5 votes

How small could we make a seed for a non-nanotech von Neumann machine?

5 votes

Taping blades onto your shoes. Is it a stupid idea or a practical one?

5 votes

What evidence could reveal to aliens that their sun is the result of a binary star merger?

5 votes

Would This Solar System Be Stable?

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