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JBH's user avatar
JBH
  • Member for 6 years, 11 months
  • Last seen this week
  • Montana, United States
145 votes
1 answer
41k views

A list of worldbuilding resources

69 votes
21 answers
22k views

Is it possible to kill all life on Earth?

54 votes
10 answers
12k views

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

53 votes
14 answers
14k views

Can I produce a true 3D orbit?

46 votes
19 answers
8k views

How can Santa defend himself?

45 votes
5 answers
7k views

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

43 votes
22 answers
5k views

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

40 votes
10 answers
8k views

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

38 votes
13 answers
9k views

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

38 votes
13 answers
4k views

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

37 votes
10 answers
5k views

Managing heat dissipation in a magic wand

35 votes
22 answers
7k views

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

34 votes
9 answers
5k views

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

28 votes
5 answers
4k views

Plausibility of an Implausible First Contact

14 votes
3 answers
542 views

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

14 votes
6 answers
6k views

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

14 votes
4 answers
1k views

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

14 votes
4 answers
595 views

Navigating storm fronts in space

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?

13 votes
13 answers
2k views

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

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?

12 votes
4 answers
446 views

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

11 votes
2 answers
299 views

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

10 votes
2 answers
472 views

Habitability of a world inside a dark nebula

10 votes
6 answers
547 views

What technologies might lead to or support "perfect recycling"

10 votes
4 answers
2k views

Feasibility of a purely mechanical grayscale "computer monitor"

9 votes
1 answer
588 views

Guidance: How to Create Sensible Plate Tectonics

9 votes
2 answers
281 views

Reality Check: Controling time to produce velocity

9 votes
5 answers
626 views

Would a star's spectroscopy be stable enough on approach to use it as a navigational reference from a great distance?

9 votes
4 answers
845 views

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