User Justin Thyme the Second

41 votes

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If you lived 5,000 years, would you notice the continents moving?

answered Jan 30, 2021 at 22:38

39 votes

What's it like to be an uploaded human with limited computing power?

answered May 10, 2020 at 1:36

36 votes

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Could the Soviet Union have hidden the launch of the first satellite?

answered May 12, 2022 at 13:21

35 votes

What problems would arise for the human species making itself into robots

answered Mar 2, 2020 at 0:44

29 votes

What species will benefit most from humanity's having been here?

answered May 18, 2020 at 1:20

26 votes

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LEGO™ as a defence against barefoot warriors

answered Aug 29, 2020 at 23:29

26 votes

Is mind downloading to a human brain possible?

answered Apr 6, 2022 at 19:03

19 votes

Realistic Megafauna that preys on humans

answered Nov 27, 2020 at 3:21

18 votes

Marooned in space! How would they die?

answered Feb 6, 2022 at 1:41

17 votes

A nation is using a dragon in sieges. How could they neutralize ballistas without putting the dragon in danger?

answered Mar 2, 2020 at 1:46

16 votes

A light tower based communication system

answered May 24, 2020 at 13:20

16 votes

Using our current scientific theories, is it possible to develop better siege equipment than medieval ones? (Updated)

answered Nov 19, 2020 at 1:50

13 votes

Wattage of Laser Rifle

answered Feb 21, 2021 at 17:08

12 votes

The Emperor's New Palace

answered Sep 30, 2020 at 2:10

11 votes

Accepted

Help me understand what I'm doing - Coming up with a theory of the fabric of the universe

answered Feb 23, 2021 at 5:37

11 votes

How would the land life look like in an ecosystem based on chemosynthesis?

answered Jan 31, 2021 at 16:30

10 votes

Why are certain spaceships capable of warp at a moment's notice while others require some preparations?

answered Feb 27, 2021 at 15:01

10 votes

What species should be used for storage of human minds?

answered Feb 24, 2019 at 17:10

10 votes

What would cause city walls to return?

answered Jan 4, 2022 at 3:06

10 votes

How would a sci-fi matter replicator create a pressurised aerosol can?

answered Apr 28, 2021 at 14:31

9 votes

How would national borders work for colonies on planets other than earth?

answered Jul 25, 2021 at 14:31

9 votes

A War on Three Fronts

answered Jun 9, 2022 at 17:12

9 votes

Augmenting melanins with Prussian blue?

answered Feb 27, 2021 at 18:08

9 votes

Why do the mountain people make roughly spherical houses?

answered Nov 24, 2020 at 1:48

9 votes

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'Speed Bumps' as a Lethal Trap in Space Ship Combat

answered Sep 22, 2020 at 16:38

8 votes

First visible signs of human habitation on the Moon. What could we see from Earth?

answered Mar 19, 2021 at 0:51

8 votes

How can I store energy/data reliably for 300 million years?

answered Apr 12, 2021 at 17:26

8 votes

Can a space-faring robot still function over a billion years?

answered Mar 5, 2019 at 21:29

8 votes

Vacuum Cleaners as Weapons against the Spider Folk - improving their range

answered Feb 26, 2019 at 1:13

8 votes

Would a civilization living on a planet without a moon still come up with the concept of months?

answered May 16, 2020 at 2:46

Stack Exchange Network

258 Answers

If you lived 5,000 years, would you notice the continents moving?

What's it like to be an uploaded human with limited computing power?

Could the Soviet Union have hidden the launch of the first satellite?

What problems would arise for the human species making itself into robots

What species will benefit most from humanity's having been here?

LEGO™ as a defence against barefoot warriors

Is mind downloading to a human brain possible?

Realistic Megafauna that preys on humans

Marooned in space! How would they die?

A nation is using a dragon in sieges. How could they neutralize ballistas without putting the dragon in danger?

A light tower based communication system

Using our current scientific theories, is it possible to develop better siege equipment than medieval ones? (Updated)

Wattage of Laser Rifle

The Emperor's New Palace

Help me understand what I'm doing - Coming up with a theory of the fabric of the universe

How would the land life look like in an ecosystem based on chemosynthesis?

Why are certain spaceships capable of warp at a moment's notice while others require some preparations?

What species should be used for storage of human minds?

What would cause city walls to return?

How would a sci-fi matter replicator create a pressurised aerosol can?

How would national borders work for colonies on planets other than earth?

A War on Three Fronts

Augmenting melanins with Prussian blue?

Why do the mountain people make roughly spherical houses?

'Speed Bumps' as a Lethal Trap in Space Ship Combat

First visible signs of human habitation on the Moon. What could we see from Earth?

How can I store energy/data reliably for 300 million years?

Can a space-faring robot still function over a billion years?

Vacuum Cleaners as Weapons against the Spider Folk - improving their range

Would a civilization living on a planet without a moon still come up with the concept of months?