User Ventifacts and Yardangs

54 votes

Accepted

My planet has a long period orbit. How can I make the seasons change faster in order to shorten the length of a calendar year on it?

answered Nov 25, 2020 at 11:37

29 votes

Are there any mathematics that could only be learned by very few people?

answered Oct 26, 2019 at 14:52

15 votes

Practical uses for a city on top of another city?

answered Aug 4, 2019 at 23:46

12 votes

How might an astronomer discover they have been transported 50 years in the future?

answered Jul 14, 2020 at 23:40

12 votes

What words to describe the three monomolecular structures

answered Jun 27, 2022 at 21:49

11 votes

Accepted

Body plan of a 4D human-analog?

answered Jun 20, 2019 at 10:37

9 votes

At What Point Does a World's Twin Planet Disappear, from the Viewer's Perspective?

answered May 31, 2019 at 12:15

8 votes

Portals to Parallel Earths: Economic Effects

answered Apr 7, 2019 at 23:19

8 votes

Accepted

How can I make the Solar System uninhabitable?

answered Jul 28, 2019 at 11:16

8 votes

Cons of Antimatter Weaponry

answered May 30, 2020 at 21:24

8 votes

Why would a human bomb not be blown apart by rune magic?

answered Dec 15, 2019 at 12:49

8 votes

Practical speed limit for torch-ships

answered Jul 8, 2022 at 21:52

7 votes

Accepted

What is the yield of a 1kg solid concrete transporter bomb?

answered Oct 31, 2019 at 0:09

5 votes

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Harnessing energy directly from the sun via quantum tunneling

answered Apr 19, 2020 at 10:31

5 votes

Countering the threat posed by a rogue Moon-spanning AI

answered Jun 14, 2021 at 12:05

5 votes

What would still discourage my people from settling on this subcontinent?

answered Jun 18, 2022 at 20:23

4 votes

Rights of AIs in far future

answered Feb 11, 2020 at 20:44

4 votes

How could I scientifically explain a world with day/night cycle only on the equator?

answered Jul 19, 2019 at 22:33

4 votes

Can a planet have a different gravitational pull depending on its location in orbit around its sun?

answered Apr 8, 2019 at 12:47

4 votes

What sorts of spells are possible using this magic system?

answered May 11, 2019 at 10:53

3 votes

Axis of rotation of a wheel space station

answered May 29, 2019 at 13:28

3 votes

Could sound be recorded by door panels and later replayed?

answered Aug 18, 2019 at 12:50

3 votes

How might my futuristic interstellar civilisation have missed a Dyson swarm on their doorstep?

answered Feb 19, 2020 at 17:58

3 votes

Accepted

Possibility of Using Quantum Teleportation Technology To Give People Telepathy

answered May 11, 2020 at 1:07

3 votes

How could a medical crisis unite two countries which once bitterly hated each other?

answered Feb 4, 2020 at 21:58

3 votes

Can you make a star from other gases, and how long would they last?

answered Apr 23, 2019 at 11:55

3 votes

For how much and for how long would a "Closed Cycle Nuclear Thermal Rocket Engine" generate thrust for a floating ship?

answered May 20, 2022 at 11:05

2 votes

Accepted

Science and Physics of Portals

answered Oct 25, 2021 at 16:56

2 votes

Could the electrical charge of a black hole neutralize it's gravitational pull?

answered Dec 22, 2021 at 18:19

2 votes

New Sources of Superhuman Ability

answered Jun 3, 2019 at 23:30

Stack Exchange Network

39 Answers

My planet has a long period orbit. How can I make the seasons change faster in order to shorten the length of a calendar year on it?

Are there any mathematics that could only be learned by very few people?

Practical uses for a city on top of another city?

How might an astronomer discover they have been transported 50 years in the future?

What words to describe the three monomolecular structures

Body plan of a 4D human-analog?

At What Point Does a World's Twin Planet Disappear, from the Viewer's Perspective?

Portals to Parallel Earths: Economic Effects

How can I make the Solar System uninhabitable?

Cons of Antimatter Weaponry

Why would a human bomb not be blown apart by rune magic?

Practical speed limit for torch-ships

What is the yield of a 1kg solid concrete transporter bomb?

Harnessing energy directly from the sun via quantum tunneling

Countering the threat posed by a rogue Moon-spanning AI

What would still discourage my people from settling on this subcontinent?

Rights of AIs in far future

How could I scientifically explain a world with day/night cycle only on the equator?

Can a planet have a different gravitational pull depending on its location in orbit around its sun?

What sorts of spells are possible using this magic system?

Axis of rotation of a wheel space station

Could sound be recorded by door panels and later replayed?

How might my futuristic interstellar civilisation have missed a Dyson swarm on their doorstep?

Possibility of Using Quantum Teleportation Technology To Give People Telepathy

How could a medical crisis unite two countries which once bitterly hated each other?

Can you make a star from other gases, and how long would they last?

For how much and for how long would a "Closed Cycle Nuclear Thermal Rocket Engine" generate thrust for a floating ship?

Science and Physics of Portals

Could the electrical charge of a black hole neutralize it's gravitational pull?

New Sources of Superhuman Ability