User JBH

127 votes

1 answer

31k views

A list of worldbuilding resources

asked Apr 9, 2019 at 19:42

68 votes

21 answers

21k views

Is it possible to kill all life on Earth?

asked May 28, 2019 at 1:42

54 votes

10 answers

12k views

Does my shipboard computer slow down as I approach light speed?

asked Mar 8, 2018 at 23:32

52 votes

14 answers

14k views

Can I produce a true 3D orbit?

asked Aug 19, 2018 at 16:53

46 votes

19 answers

8k views

How can Santa defend himself?

asked Dec 24, 2018 at 16:08

45 votes

5 answers

7k views

What are the safety margins for destroying a planet from space?

asked Apr 24, 2018 at 21:34

42 votes

22 answers

5k views

Is it realistic to believe an apocalyptical setting can last 500+ years?

asked Mar 15, 2018 at 0:41

40 votes

10 answers

8k views

Is there any material today that could withstand the impact of a baseball at 0.05c?

asked Apr 20, 2018 at 16:48

38 votes

10 answers

5k views

Managing heat dissipation in a magic wand

asked May 16, 2019 at 21:32

38 votes

13 answers

8k views

What does the view outside my ship traveling at light speed look like?

asked May 23, 2019 at 20:31

38 votes

13 answers

4k views

What is Santa's defense against an unlawful withholding of welfare charge?

asked Dec 7, 2020 at 9:07

35 votes

22 answers

6k views

My magic system "pays the price" by drawing its energy from the future: should that affect luck, heat, or life?

asked May 5, 2018 at 1:15

34 votes

9 answers

5k views

How would prolonged use of augmented-reality combat gear affect soldiers?

asked Dec 6, 2017 at 3:53

28 votes

5 answers

4k views

Plausibility of an Implausible First Contact

asked Dec 1, 2020 at 1:34

14 votes

3 answers

526 views

Are there physiological traits common to all tool-building species?

asked Dec 29, 2017 at 5:32

14 votes

6 answers

5k views

Would it be reasonable that vampires cannot drink just any blood type save O-? [closed]

asked Jan 4, 2018 at 21:41

14 votes

4 answers

1k views

Is there a habitability zone between the primary and secondary stars of a binary star system?

asked Feb 23, 2018 at 2:13

14 votes

4 answers

586 views

Navigating storm fronts in space

asked Apr 12, 2019 at 19:42

14 votes

3 answers

1k views

What would the night sky look like for a world on the upper plane of the galaxy, near its rim?

asked Nov 27, 2018 at 0:42

12 votes

4 answers

402 views

Is it possible to make high-compressive-strength cement on Mars?

asked Dec 1, 2018 at 22:32

12 votes

13 answers

2k views

In a world of groovy super spies, how would a spy cross a ravine?

asked Aug 10, 2021 at 4:26

12 votes

7 answers

3k views

Is there anything about photons and/or space-time that would allow the detection of an energy-based attack from a distance of ten light seconds?

asked Jun 11, 2020 at 3:48

11 votes

2 answers

273 views

Would interplanetary transmissions in the Wolf 359 star system be detectable by Earth?

asked Sep 10, 2018 at 8:30

10 votes

2 answers

429 views

Habitability of a world inside a dark nebula

asked Jan 8, 2018 at 23:58

10 votes

6 answers

502 views

What technologies might lead to or support "perfect recycling"

asked Dec 17, 2017 at 7:30

10 votes

4 answers

2k views

Feasibility of a purely mechanical grayscale "computer monitor"

asked Jan 20, 2019 at 18:01

9 votes

2 answers

262 views

Reality Check: Controling time to produce velocity

asked Jun 6, 2021 at 20:45

9 votes

4 answers

708 views

Smartphone camera resolution can image a human retina: can we save retina biometrics?

asked Apr 10, 2018 at 23:03

9 votes

6 answers

969 views

Can a collision with a neutron star make a planet via the can-o-snakes method?

asked Sep 27, 2018 at 19:13

9 votes

7 answers

3k views

Could an astronaut in a near-future space ship survive transit through our asteroid belt?

asked Sep 1, 2018 at 19:07

Stack Exchange Network

55 Questions

A list of worldbuilding resources

Is it possible to kill all life on Earth?

Does my shipboard computer slow down as I approach light speed?

Can I produce a true 3D orbit?

How can Santa defend himself?

What are the safety margins for destroying a planet from space?

Is it realistic to believe an apocalyptical setting can last 500+ years?

Is there any material today that could withstand the impact of a baseball at 0.05c?

Managing heat dissipation in a magic wand

What does the view outside my ship traveling at light speed look like?

What is Santa's defense against an unlawful withholding of welfare charge?

My magic system "pays the price" by drawing its energy from the future: should that affect luck, heat, or life?

How would prolonged use of augmented-reality combat gear affect soldiers?

Plausibility of an Implausible First Contact

Are there physiological traits common to all tool-building species?

Would it be reasonable that vampires cannot drink just any blood type save O-? [closed]

Is there a habitability zone between the primary and secondary stars of a binary star system?

Navigating storm fronts in space

What would the night sky look like for a world on the upper plane of the galaxy, near its rim?

Is it possible to make high-compressive-strength cement on Mars?

In a world of groovy super spies, how would a spy cross a ravine?

Is there anything about photons and/or space-time that would allow the detection of an energy-based attack from a distance of ten light seconds?

Would interplanetary transmissions in the Wolf 359 star system be detectable by Earth?

Habitability of a world inside a dark nebula

What technologies might lead to or support "perfect recycling"

Feasibility of a purely mechanical grayscale "computer monitor"

Reality Check: Controling time to produce velocity

Smartphone camera resolution can image a human retina: can we save retina biometrics?

Can a collision with a neutron star make a planet via the can-o-snakes method?

Could an astronaut in a near-future space ship survive transit through our asteroid belt?