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mart
  • Member for 9 years, 11 months
  • Last seen more than a month ago
44 votes
10 answers
10k views

What happens to an empty, modern city?

19 votes
2 answers
6k views

How would an antimatter reactor actually work?

9 votes
2 answers
1k views

Smallest Black Hole to 'heat' a Gas Giant

8 votes
5 answers
715 views

Can we safe FTL from paradoxes by using a Multiverse?

5 votes
3 answers
344 views

Weird shennanigans with Artificial Gravity [closed]

5 votes
2 answers
223 views

How large could a hive of giant animals be?

4 votes
1 answer
234 views

Air trapping polar vortexes on tidally locked planets?

2 votes
2 answers
346 views

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

2 votes
1 answer
164 views

How would this prediction/assassination market fail?

2 votes
2 answers
790 views

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

2 votes
1 answer
134 views

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

-1 votes
1 answer
243 views

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