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Escaped dental patient.'s user avatar
Escaped dental patient.'s user avatar
Escaped dental patient.'s user avatar
Escaped dental patient.
  • Member for 5 years, 9 months
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145 votes
Accepted

How to make money from a browser who sees 5 seconds into the future of any web page?

68 votes
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Plausible reason for gold-digging ant

66 votes
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How do the inhabitants of my city-wide death trap figure out that nobody will be let out until only 100 people are left alive?

57 votes

How can you tell an AI apart from a human over the phone but not in person?

55 votes

Chlorine Trifluoride as a Space Weapon?

48 votes
Accepted

What would happen to a modern skyscraper if it rains micro blackholes?

48 votes
Accepted

Why would the serra destroy ships?

43 votes
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How to check what is edible on an alien world?

41 votes
Accepted

Could crystals grow on living things?

39 votes
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Would "new" clothes from 40 years ago be readily wearable?

37 votes
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How would a robot make noise and speak without built in speakers?

37 votes

Car headlights in a world without electricity

36 votes
Accepted

I need a disease

32 votes

How many years before enough atoms of your body are replaced to survive the sudden disappearance of the original body’s atoms?

30 votes

I designed a Mt. Everest Hyperloop. Do you see any issues with it? How can I improve it?

29 votes

Best species to breed to intelligence

27 votes
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Would limbs evolve underwater?

26 votes
Accepted

Is bioluminescence metabolically expensive?

25 votes

Does a predator have any use for narcotic venom?

25 votes

What species should be used for storage of human minds?

25 votes

Can a gorse plant be used as a source of food?

24 votes
Accepted

How can a sapient species build an advanced civilization, while remaining on one continent?

23 votes

How could indestructible materials be used in power generation?

23 votes
Accepted

Would a "Hunting Horn" be feasible in a realistic world?

23 votes

Why would you build slow moving vehicles instead of faster ones?

22 votes

Search for something difficult to count/estimate

21 votes
Accepted

How to get rid of human waste without using bodies of water

20 votes

How can a group of immortals hide in a modern society with extensive record-keeping?

19 votes
Accepted

Challenges for using a bull as a character's mount

18 votes

Need a specific event that wrecks the surface, allows the race to survive in bunkers, and affords an aftermath suitable for them to rebuild

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