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Mark Morgan Lloyd's user avatar
Mark Morgan Lloyd's user avatar
Mark Morgan Lloyd's user avatar
Mark Morgan Lloyd
  • Member for 3 years, 10 months
  • Last seen this week
7 votes

What architectural tricks can I use to add a hidden floor to a building?

6 votes

What would lead an entire country to systematically ignore home invasion, theft and vandalism from 1 particular person?

6 votes

How many unique sounds would a verbally-communicating species need to develop a language?

4 votes

Is it believable to store information in live DNA for billion years?

4 votes

How would you get a medieval economy to accept fiat currency?

4 votes

Could a race with 20th century computer technology plausibly develop general-purpose AI?

4 votes

Why would sapient, emotional AGIs object to the creation of any lesser AIs?

4 votes

How plausible is it for nuclear power to be invented but not nuclear weapons?

3 votes

Could a nomadic group build a portable library on wheels pulled by horses?

3 votes

What reason would an extraterrestrial civilization have to adopt Earth's time measurement units?

3 votes

Can a rogue radio signal from the moon or near orbit realistically go unnoticed?

3 votes

If dinosaurs had a civilization, how primitive must it have been to leave no trace in the present?

3 votes

Any way of having a breathable atmosphere with zero gravity in free space?(and universal directionality?)

3 votes

Are there any non-organic resources that are rare in the grand-scheme of the Universe, but common on Earth?

3 votes

Could a submarine 'sail' the ocean currents?

3 votes

Can it make sense for a spaceship to be crewed by many individual AI, rather than a handful with all the processing power?

2 votes

If magic is programming, then what is mana supposed to be?

2 votes

How can explorers determine whether strings of alien text is meaningful or just nonsense?

2 votes

Why can't modern fighter aircraft shoot down second world war bombers?

1 vote

In the far future would weaponizing the sun or parts of it be possible?

1 vote

Humanity is an FTL capable empire with great technological capabilities, what will our fighting machine or machines be like?

1 vote

How could the crew on a small spacecraft (6 people) on an isolated long (10yr) mission remain productive and harmonious?

1 vote

Can you have a Clarketech artifact that you can replicate but cannot comprehend?

1 vote

What could make the technology to be conserved at the level of mid-late 21th century for centuries?

1 vote

How fast is too fast for travel inside the solar system?

0 votes

Sci-fi soldiers with bulky armor brace their rifles on their chest plates. What do their rifle stocks look like?

0 votes

Non-electrical technology that pre-modern people would see as magic?

0 votes

What if you could shut off the pull of gravity on your body?

-1 votes

What could lead humans to go extinct after a collapse of technological civilization?