User Niobium_Sage

31 votes

12 answers

11k views

In the late 1940’s to early 1950’s what technology was available that could melt a LOT of ice?

asked Mar 10, 2019 at 17:31

25 votes

17 answers

5k views

Is the concept of a biometric smart gun that will detonate when anyone besides its owner touches the weapon unrealistic?

reality-check technology near-future military firearms

asked Jul 24, 2020 at 10:37

15 votes

8 answers

3k views

How could I make cameras fit in with a middle ages inspired culture?

magic technology technological-development science-in-society middle-ages

asked Aug 20, 2020 at 23:56

9 votes

8 answers

2k views

What constitutes the lifespan of a firearm? If modern guns were still used a century from now would that be unrealistic?

reality-check firearms future

asked Jul 10, 2020 at 21:16

9 votes

5 answers

445 views

Are handheld electric weapons realistic?

science-based weapons electricity

asked Mar 23, 2019 at 20:35

9 votes

4 answers

2k views

How would a cephalopod-like race breathe outside of water?

science-based biology creature-design evolution aliens

asked Dec 2, 2019 at 4:14

8 votes

5 answers

4k views

Would nuclear bombs be effective against clouds of nanites?

science-based technology science-fiction warfare weapons

asked Nov 7, 2019 at 14:21

8 votes

5 answers

846 views

Could an extraterrestrial plant survive inside of a meteor as it enters a planet's atmosphere?

physics space xenobiology aliens

asked Dec 30, 2020 at 0:17

7 votes

8 answers

3k views

Would a double-decker tri-articulated bus work effectively?

near-future transportation vehicles

asked Jan 26, 2019 at 4:12

7 votes

7 answers

1k views

Where would a technologically advanced group of people forced into space by a calamity obtain water from?

space-travel space-colonization food water shipbuilding

asked Apr 30, 2020 at 22:17

7 votes

3 answers

767 views

Would superfluid helium-4 grenades make for a useful area denial weapon?

science-based reality-check science-fiction weapons hard-science

asked Jul 3, 2020 at 23:56

6 votes

4 answers

3k views

Could an eternal or near-eternal battery exist? [closed]

reality-check technology science-fiction

asked Oct 20, 2019 at 22:41

6 votes

1 answer

91 views

Would an asteroid colliding with a terrestrial planet result in the creation of extensive caves nearby the crater?

planets geography geology asteroids geophysics

asked Feb 28, 2021 at 5:23

5 votes

4 answers

298 views

How do I write a fictional alternate history to handwave in a higher predilection for firearms among world cultures?

weapons alternate-history alternate-reality history firearms

asked Aug 13, 2020 at 23:07

4 votes

2 answers

179 views

Can I get some help making my area denial non-lethal grenade realistic and scientifically sound?

science-based technology science-fiction weapons hard-science

asked Jul 5, 2020 at 7:18

4 votes

2 answers

214 views

Would it be possible to build numerous spaceships that could transport 10 million people in the late 2100's?

reality-check space-travel spaceships food space-constructs

asked Apr 26, 2020 at 0:57

3 votes

4 answers

372 views

Could a terrestrial planet become a gas giant?

science-based planets space environment

asked Nov 8, 2019 at 4:13

3 votes

2 answers

169 views

Would categorizing planes of existence be considered dumbing down or enriching when it comes to worldbuilding?

magic alternate-worlds alternate-reality worldbuilding-resources universe

asked Feb 26, 2021 at 5:56

3 votes

1 answer

125 views

How would the wings of a sphinx or a manticore need to be in order for the creature to fly?

reality-check biology xenobiology

asked Oct 23, 2020 at 22:02

2 votes

6 answers

342 views

Could firearms realistically have RFID reader built into them so they could be tracked?

technology technological-development near-future firearms dystopia

asked Aug 2, 2020 at 7:38

2 votes

3 answers

77 views

Would there be a point to windfarms in a country surrounding a bay and is also almost fully surrounded by mountain ranges?

physics geography geophysics

asked May 29, 2021 at 5:01

2 votes

3 answers

485 views

Could a futuristic group of people collect/farm nuclear pasta from neutron stars?

science-based reality-check science-fiction space nuclear

asked Oct 19, 2019 at 18:28

2 votes

3 answers

161 views

What conditions would be necessary to have all of the world's mainland animals be subjected to island gigantism?

science-based post-apocalypse fauna

asked Mar 28, 2020 at 10:04

2 votes

1 answer

828 views

How would sulfur-based lifeforms behave physically and anatomically?

science-based biology planets creature-design science-fiction

asked Nov 23, 2019 at 19:37

2 votes

2 answers

134 views

My setting has a multiverse, how could the agency in charge of naming them and documenting them tell them apart?

science-based space space-travel worldbuilding-process astrophysics

asked Feb 29, 2020 at 1:55

1 vote

4 answers

335 views

If North America and Latin America unified into one country, how would the highway system work?

reality-check society humans economy environment

asked Oct 10, 2019 at 15:32

1 vote

2 answers

157 views

By any scientific/pseudo-scientific means could plasma be used to increase the lifespans of living creatures?

science-based biology physics chemistry

asked Mar 23, 2019 at 17:26

-3 votes

2 answers

121 views

When antimatter meets matter do the two of them cancel eachother out? [closed]

science-based technology science-fiction physics weapons

asked Nov 10, 2019 at 2:39

-4 votes

1 answer

85 views

How would blood types and blood transfusions work in a setting with widely different humanoid races? [closed]

science-based worldbuilding-process blood

asked Mar 20, 2020 at 20:38

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29 Questions

In the late 1940’s to early 1950’s what technology was available that could melt a LOT of ice?

Is the concept of a biometric smart gun that will detonate when anyone besides its owner touches the weapon unrealistic?

How could I make cameras fit in with a middle ages inspired culture?

What constitutes the lifespan of a firearm? If modern guns were still used a century from now would that be unrealistic?

Are handheld electric weapons realistic?

How would a cephalopod-like race breathe outside of water?

Would nuclear bombs be effective against clouds of nanites?

Could an extraterrestrial plant survive inside of a meteor as it enters a planet's atmosphere?

Would a double-decker tri-articulated bus work effectively?

Where would a technologically advanced group of people forced into space by a calamity obtain water from?

Would superfluid helium-4 grenades make for a useful area denial weapon?

Could an eternal or near-eternal battery exist? [closed]

Would an asteroid colliding with a terrestrial planet result in the creation of extensive caves nearby the crater?

How do I write a fictional alternate history to handwave in a higher predilection for firearms among world cultures?

Can I get some help making my area denial non-lethal grenade realistic and scientifically sound?

Would it be possible to build numerous spaceships that could transport 10 million people in the late 2100's?

Could a terrestrial planet become a gas giant?

Would categorizing planes of existence be considered dumbing down or enriching when it comes to worldbuilding?

How would the wings of a sphinx or a manticore need to be in order for the creature to fly?

Could firearms realistically have RFID reader built into them so they could be tracked?

Would there be a point to windfarms in a country surrounding a bay and is also almost fully surrounded by mountain ranges?

Could a futuristic group of people collect/farm nuclear pasta from neutron stars?

What conditions would be necessary to have all of the world's mainland animals be subjected to island gigantism?

How would sulfur-based lifeforms behave physically and anatomically?

My setting has a multiverse, how could the agency in charge of naming them and documenting them tell them apart?

If North America and Latin America unified into one country, how would the highway system work?

By any scientific/pseudo-scientific means could plasma be used to increase the lifespans of living creatures?

When antimatter meets matter do the two of them cancel eachother out? [closed]

How would blood types and blood transfusions work in a setting with widely different humanoid races? [closed]