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Martijn
  • Member for 7 years, 7 months
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26 votes

Euro-American Maglev Railway - Transit without stopping

18 votes

Highly technological aliens land nuclear fusion powered ships in medieval city and slaughter everyone, using swords?

12 votes

How would tattoos fare on reptilian scales?

12 votes

Why would a telepathic species use spoken language?

10 votes

What situation would prompt the world to dump the use of Atomic and Nuclear Explosives entirely?

8 votes

How can I make sure there is only one direct descendent over a thousand years?

7 votes

Can a substance be more lethal in smaller doses?

3 votes

What could cause sudden localized atmospheric pressure change?

3 votes

Fireproof Plants

3 votes

Maximum travel speed of a teleporter that requires line of sight

3 votes

How would sword design change if the aim was to cause as much immediate bleeding as possible?

3 votes

A land where money is negative

3 votes

How do I justify spending time to create a world in the first place?

2 votes

What flaw keeps the mimics out and keeps the humans in?

2 votes

How could werewolves trap themselves until full moon is over?

2 votes

Medieval method of measuring temperature

1 vote

What reasons would people have for discriminating against people with prosthetics

1 vote

How did aliens on a habitable planet hide themselves during the recon and scouting stage by human colonists?

1 vote

How can three separate magic systems benefit over an all-inclusive one?

1 vote

How many refugees can I pack into a nuclear-powered version of the largest ship ever built?

0 votes

Why costly time released shapeshifting drug is more popular than fast acting ones?

0 votes

Why would civilizations have no major technological development even after ten thousand years?

0 votes

Could any land animal living today kill a tyrannosaurus rex in a fight? (Armed humans excluded)

0 votes

How to end the world by earthquake?