Keltari's user avatar
Keltari's user avatar
Keltari's user avatar
Keltari
  • Member for 7 years, 10 months
  • Last seen more than a week ago
55 votes

How would you bring wealth back to the past?

28 votes

Steam Powered Hammer

19 votes

Movement for a spherical desert creature

19 votes

How cheap do prosthetics have to be for poor people to afford them?

18 votes

Currency that can stand extreme temperatures

18 votes

How quickly will government realize that I am printing money?

13 votes

Concrete vs. Tar--Which Would Make Better Mortar?

11 votes
Accepted

How long would a medieval castle last after people

11 votes

How can anthills use tools?

10 votes

What forces would make leaving a planet impossible?

10 votes

How to evacuate half a million people from a floating landmass in an hour?

9 votes

How could a brain parasite enter the skull with minimal effort?

6 votes

What factors determine how tall the buildings in a city will be?

6 votes

Is it feasible to have a literal ivory tower?

5 votes

Can rope tied to a sword hold a person?

5 votes

What evolutionary benefits does a hexapodal body plan have?

5 votes

What could render a person blind without any visible markings?

4 votes

Styles of Melee Combat developed in microgravity

4 votes

What makes an animal suitable for domestication?

4 votes

What would it take to build a bridge that crosses North Atlantic Ocean from Canada to Spain?

4 votes

What are the evolutionary advantages to size?

4 votes

What kind of attire would covert ops actually wear?

4 votes

Designing "age of sail" ships that require no wind

4 votes

Ideas for practical post-apocalyptic currency 100 years from now

4 votes

What sort of texts would survive in a sunken ruin?

3 votes

Why would a creature both have carnivore teeth and side-facing eyes?

3 votes

Why would technology dictate graphical interfaces to be rare on spaceships?

3 votes

Tactics and strategy an army can use to counter Human Wave attacks?

3 votes

Explaining Archaic weapons in a high tech world

3 votes

Why should humans risk a robot apocalypse by modifying Asimov's laws?