User mart - Worldbuilding Stack Exchange

mart

Member for 9 years, 2 months
Last seen more than a week ago

12 Questions

Score Activity Newest Views

44 votes

10 answers

9k views

What happens to an empty, modern city?

asked Feb 17, 2016 at 7:44

19 votes

2 answers

6k views

How would an antimatter reactor actually work?

asked Sep 3, 2018 at 8:04

9 votes

2 answers

1k views

Smallest Black Hole to 'heat' a Gas Giant

asked May 10, 2017 at 12:04

8 votes

5 answers

677 views

Can we safe FTL from paradoxes by using a Multiverse?

asked Mar 26, 2020 at 14:05

5 votes

3 answers

334 views

Weird shennanigans with Artificial Gravity [closed]

asked May 2, 2016 at 12:57

5 votes

2 answers

214 views

How large could a hive of giant animals be?

asked Oct 6, 2020 at 15:12

4 votes

1 answer

216 views

Air trapping polar vortexes on tidally locked planets?

asked Sep 17, 2020 at 11:55

2 votes

2 answers

339 views

How exactly would this chronology protection for my FTL drive look like?

asked May 15, 2017 at 13:01

2 votes

1 answer

162 views

How would this prediction/assassination market fail?

asked Aug 12, 2020 at 13:00

2 votes

2 answers

715 views

Process to aim the main gun on a modern battle tank [closed]

asked Sep 18, 2018 at 15:33

2 votes

1 answer

124 views

The solar system is open for exploration. What fundamental research will we do first? [closed]

asked Oct 24, 2019 at 10:11

-1 votes

1 answer

236 views

Dropping a Micro Black Hole into a Gas Giant [duplicate]

asked May 10, 2017 at 6:15