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Demigan
  • Member for 6 years, 2 months
  • Last seen this week
24 votes
9 answers
9k views

Arming all untrained people with firearms, which weapon would do?

21 votes
1 answer
4k views

How do I feed my black hole?

19 votes
8 answers
5k views

What would realistically happen if you could water walk?

18 votes
13 answers
5k views

Comfortable way of entering and exiting Airships anywhere at will

17 votes
6 answers
2k views

Creating a scientifically semi-valid super-soldier, part 6: Radiation protection

16 votes
18 answers
4k views

Running out of time in a world where time has stopped, how to make it consistent?

15 votes
6 answers
3k views

Creating a scientifically semi-valid super-soldier, part 2: nervous system

15 votes
8 answers
2k views

Creating a scientifically semi-valid super-soldier, part 3: Physical shock resistance

15 votes
4 answers
4k views

General airship questions: largest possible size?

13 votes
2 answers
4k views

Creating a scientifically semi-valid super-soldier, part 1: Skeleton [closed]

13 votes
9 answers
2k views

Most optimal hallways with random gravity inside?

12 votes
8 answers
4k views

What would a glassed planet really look like?

11 votes
11 answers
6k views

Are AP slugs for shotguns possible?

11 votes
5 answers
2k views

Creating a scientifically semi-valid super-soldier, part 8: Communication

11 votes
2 answers
4k views

Best material and shape for small-arms railgun/coilgun amunition?

10 votes
9 answers
3k views

Creating a scientifically semi-valid super-soldier, part 4: respiratory system

10 votes
9 answers
3k views

What happens during simultaneous hits on a tank

9 votes
7 answers
830 views

How to create a proper electric enhancement for melee weapons?

9 votes
5 answers
336 views

Living nests for insects - Part 1: Optimal Hive shape

8 votes
3 answers
2k views

Creating a scientifically semi-valid super-soldier, part 5: Heart and circulatory system

8 votes
6 answers
230 views

How to control a jumpjet without using neural links or your hands

8 votes
8 answers
451 views

What melee weapons to use for small fireteams fighting many small enemies?

8 votes
6 answers
2k views

Space-based black hole weapon effects

7 votes
7 answers
533 views

What to add to magic to make magical fights more understandable?

7 votes
4 answers
358 views

A way to hinder interstellar portalling? FTL travel

7 votes
6 answers
2k views

Autumn/winter clothing for winged humanoids who try to stay out of sight

7 votes
3 answers
2k views

Creating a scientifically semi-valid super-soldier, part 7: Hearing

7 votes
2 answers
609 views

Alcubierre warp-lanes, what is the most stable way to create them?

7 votes
4 answers
897 views

Literal light infantry, are these advantages and disadvantages feasible? [closed]

7 votes
3 answers
508 views

Designing drop-pods for humans