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steverino
  • Member for 5 years, 4 months
  • Last seen more than 2 years ago
  • Dallas Tx
5 votes

If antimatter were common starship fuel, what could prevent it from being commonly weaponized?

1 vote

Are there any structural materials suitable for production underwater?

0 votes

I'm stranded on an alien planet. How can I tell what's good to eat?

8 votes

Why would a large percent of an otherwise sane population regularly play a virtual game that could get them killed

1 vote

What would be the state of society without semiconductors?

-5 votes

Synthesizing fuels with excess energy

14 votes

Where do mining "dwarves" put all the stone?

1 vote

What are the risks with massive banks of batteries/capacitors?

2 votes

How to Effectively Collect and Recycle Space Junk?

5 votes
Accepted

Detecting the mythical superman (Or a 100kg sack of meat)

5 votes

What could interstellar worlds have to trade with each other?

2 votes

How to preserve scientific knowledge following a major nuclear war

2 votes

Long lifespans and risk aversion

4 votes

Any benefits or problems on using a national I.D chip implant rather than an I.D card in a high tech society?

0 votes

Could a society attain 1800s technology if limited to using copper and bronze?

1 vote

What methods might an ancient civilization use to desalinate sea water?

0 votes

What kinds of remnants might be evidence of a previous civilisation?

1 vote

Would a galaxy-wide civilization have any reason to build a solar probe?

0 votes

How physically small can human intelligence get?

0 votes

How do you achieve the agricultural revolution without agriculture?

2 votes

What are the energy requirements of moving some of Venus' atmosphere to Mars?

1 vote

Advanced alien insect long range communication

25 votes

Could extreme climate zones exist next to each other?

3 votes

What's a good method for generating an artificial gravity field for both the exterior and interior surfaces of a hollowed asteroid?

7 votes

Creating a living currency

2 votes

What realistic way could limit an FTL drive to only travelling between stars?

0 votes

Avoiding Violation of Causality with Stable Wormholes

7 votes

How to not get caught milking the stock market with a time machine

0 votes

Can underwater Atlanteans make explosives without coming onto dry land?

4 votes

Can an android be "immune" to electromagnetic forces?