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
1 vote

Creating stable gravitationally bound alternatives to a single ultra massive galaxy?

1 vote

Could an insect cast in amber stay intact in space?

1 vote

requirements for spatial manipulation

1 vote
Accepted

Solar Flare/CME Range Limits

1 vote

How likely is it for a father to succeed his late son on the throne, while this son also has a younger brother?

1 vote

Is it possible for a super Earth to have this specific atmospheric composition?

1 vote

How much would mtDNA testing help to track down matrilineal descendants of a 2000-year old immortal person?

1 vote

Is it possible that a Black Hole could be split in half creating two Black Holes?

1 vote

If humans were killed out in the Great Oxidation Event, would they leave behind any evidence?

0 votes

How would people protect themselves in a world where scientific laws may be modified almost omnipotently with specialized applied math?

0 votes

Help conceive of some possible disasters that threaten the solar system and countermeasures

0 votes

Can a 15km, rapidly-spining asteroid go undiscovered until the asteroid belt is being actively explored?

0 votes

How small can an isolated society be at the technological level of the 18th century to also be self-sufficient?

0 votes

Topology of an exotic wormhole network?

0 votes

How to detect and track asteroids made of super-dense materials

0 votes

19th century British moon landing

0 votes

How to calculate the resulting explosion and implosion caused by shrinking and expanding a solid box

0 votes

Could a torus shaped black hole exist?

0 votes

How feasible is a man-portable firearm capable of incapacitating a large dinosaur with twentieth-century technology?

0 votes

What should a modern human-turned-king do to accelerate medieval society and science to modern standards?

0 votes

Nitrogen oxide atmosphere: Breathing masks

0 votes

Stars as lifeforms – is it possible?

0 votes

What would an interstellar economy bound by relativity look like?

0 votes

Is there a way to make Spirits believable in a Non-Magic world?

0 votes

How to explain magical internet

0 votes

Can you generate energy from particles in space?

-1 votes

What could cause a planets day to lengthen suddenly?

-1 votes

Is my magic system too convoluted for my own story?

-2 votes

How much oxygen is too much?

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