User JBH

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A list of worldbuilding resources

worldbuilding-process worldbuilding-resources software-recommendations

Jul 7 at 14:49 rek 12.5k

10

69

votes

21

answers

20k

views

Is it possible to kill all life on Earth?

hard-science near-future earth weapon-mass-destruction

Jul 7 at 9:53 The Square-Cube Law 112k

9

53

votes

10

answers

11k

views

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

science-based computers electricity relativity

Mar 11 '18 at 17:14 slOOP 101

14

50

votes

14

answers

12k

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Can I produce a true 3D orbit?

science-based reality-check orbital-mechanics

Sep 1 '18 at 21:32 Community♦ 1

5

45

votes

19

answers

8k

views

How can Santa defend himself?

santa-claus self-defense

Dec 11 at 20:46 Mammon 140

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votes

5

answers

7k

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

planets gravity energy weapon-mass-destruction

Apr 26 '18 at 0:09 bta 5,341

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answers

5k

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

reality-check society post-apocalypse

Apr 12 '18 at 6:51 Community♦ 1

10

39

votes

10

answers

8k

views

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

science-based spaceships

Sep 3 '18 at 4:47 Community♦ 1

6

38

votes

10

answers

4k

views

Managing heat dissipation in a magic wand

science-based protection thermodynamics

Jun 2 at 15:55 Nosajimiki 49k

6

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?

magic

May 22 '20 at 15:19 Community♦ 1

8

35

votes

12

answers

7k

views

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

space-travel light vision

Jun 7 '19 at 9:29 Community♦ 1

2

34

votes

12

answers

4k

views

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

law alternate-reality santa-claus united-states

Dec 11 at 19:08 Nosajimiki 49k

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34

votes

9

answers

5k

views

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

warfare psychology augmented-reality behaviour

Dec 8 '17 at 9:17 Miller86 1,860

28

votes

5

answers

3k

views

Plausibility of an Implausible First Contact

science-based xenobiology meteor firstcontact

Mar 19 at 11:47 Community♦ 1

1

14

votes

4

answers

504

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Navigating storm fronts in space

May 28 '20 at 4:01 HDE 226868♦ 94.9k

2

14

votes

6

answers

5k

views

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

reality-check biology vampires

Feb 19 '20 at 5:49 Tim B II 53.4k

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votes

3

answers

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views

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

planets galactic

Nov 28 '18 at 16:11 chasly - supports Monica 46.3k

3

14

votes

3

answers

465

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

creature-design technological-development xenobiology

Jan 1 '18 at 2:06 Oleg Lobachev 2,368

2

13

votes

4

answers

1k

views

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

science-based orbital-mechanics solar-system habitability

Feb 16 '19 at 17:53 Community♦ 1

1

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?

weapons hard-science energy detection

Jun 12 '20 at 14:45 Mark Foskey 622

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11

votes

4

answers

1k

views

Feasibility of a purely mechanical grayscale “computer monitor”

science-based reality-check steampunk

Jan 21 '19 at 9:48 Artelius 1,597

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11

votes

4

answers

335

views

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

hard-science chemistry mars

Jan 4 '19 at 3:54 Thucydides 95.5k

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11

votes

2

answers

230

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

science-based electromagnetism detection

Sep 10 '18 at 18:55 Ash 37.6k

3

10

votes

6

answers

806

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

science-based planets gravity stars

Sep 28 '18 at 22:11 cmaster - reinstate monica 5,969

1

10

votes

2

answers

355

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Habitability of a world inside a dark nebula

reality-check planets habitability nebula

Jan 9 '18 at 0:49 Cognisant 4,780

2

10

votes

6

answers

402

views

What technologies might lead to or support “perfect recycling”

science-based technology

Jan 4 '18 at 2:17 Sherwood Botsford 9,757

9

votes

2

answers

214

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Reality Check: Controling time to produce velocity

reality-check time velocity

Jul 25 at 12:50 jose_castro_arnaud 1,155

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votes

7

answers

3k

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

reality-check space-travel near-future survival asteroids

Sep 9 '18 at 23:01 Community♦ 1

4

9

votes

4

answers

470

views

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

science-based near-future security photography

Jun 8 '18 at 6:57 Community♦ 1

1

7

votes

1

answer

468

views

How much energy is needed to grow an acre of wheat entirely indoors?

science-based energy agriculture

Aug 28 '20 at 22:03 Nosajimiki 49k

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52 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

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

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?

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

Plausibility of an Implausible First Contact

Navigating storm fronts in space

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

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

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

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

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?

Feasibility of a purely mechanical grayscale “computer monitor”

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

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

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

Habitability of a world inside a dark nebula

What technologies might lead to or support “perfect recycling”

Reality Check: Controling time to produce velocity

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

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

How much energy is needed to grow an acre of wheat entirely indoors?