User user73829

19 votes

9 answers

8k views

Could a jellyfish be bio-engineered to convert salt water into fresh water?

asked Nov 7, 2017 at 19:07

8 votes

10 answers

2k views

Are supersonic submarine trains necessary in a civilization that spans a galaxy

internal-consistency near-future transportation vehicles

asked Sep 22, 2017 at 5:09

6 votes

1 answer

143 views

Can sonoluminescence be used to create exotic art in my future civilization?

science-based internal-consistency technology culture

asked Dec 7, 2017 at 3:23

5 votes

1 answer

310 views

Could pulsars really act as "lighthouses" to help in interstellar travel?

science-based internal-consistency space-travel astronomy

asked Oct 12, 2017 at 0:50

4 votes

5 answers

2k views

Would a planet-sized computer like a Jupiter Brain or a Matrioksha brain be more expensive to build than the Death Star?

internal-consistency economy space-constructs megastructures

asked Sep 12, 2017 at 20:17

4 votes

2 answers

1k views

Could a quantum computer be able to simulate a universe? [closed]

internal-consistency far-future quantum

asked Sep 16, 2017 at 15:15

3 votes

2 answers

180 views

How could I make an ion engine work within an atmosphere?

science-based atmosphere propulsion

asked Mar 22 at 23:51

2 votes

1 answer

155 views

What would be more realistic for a universe where FTL is possible?

worldbuilding-process faster-than-light universe

asked Apr 30 at 2:52

2 votes

2 answers

278 views

What would discovery of a magnetic monopole do for a civilization? [closed]

internal-consistency physics

asked Sep 18, 2017 at 19:39

2 votes

3 answers

302 views

Feasibility of a pill with the opposite effect of birth control?

internal-consistency biochemistry

asked Sep 21, 2017 at 3:00

2 votes

2 answers

139 views

What would be involved in generating an artificial magnetosphere for planet Mars? [duplicate]

space science-fiction terraforming

asked May 9, 2017 at 3:16

2 votes

2 answers

330 views

How feasible is "invisible spray"?

science-based internal-consistency physics

asked Sep 26, 2017 at 3:36

1 vote

1 answer

86 views

What features would a future, advanced telescope have? [closed]

internal-consistency technological-development astronomy

asked Sep 10, 2017 at 21:22

1 vote

1 answer

94 views

Would vertical forest cities be unnecessary in a Galaxy wide Civilization? [closed]

technology agriculture

asked Sep 12, 2017 at 1:08

1 vote

1 answer

404 views

Would a magnetic monopole rocket engine produce more energy than an ion engine?

internal-consistency space-travel spaceships magnetism fuels

asked Nov 25, 2017 at 3:39

0 votes

1 answer

165 views

Is this phrase technobabble or can it be broken down to be understandable? [closed]

internal-consistency nanotechnology

asked Dec 6, 2017 at 1:19

0 votes

2 answers

213 views

What's a cool function or ability that a new element on the periodic table could have? [closed]

physics chemistry

asked Oct 14, 2017 at 4:02

0 votes

3 answers

264 views

Could it be possible to contain an artificial singularity? [closed]

science-based internal-consistency technology black-holes

asked Nov 21, 2017 at 1:43

0 votes

2 answers

474 views

What could be done to make a red dwarf become a blue dwarf, then a white dwarf and then finally a black dwarf in a short amount of time?

science-based internal-consistency technology stars

asked Nov 23, 2017 at 2:19

0 votes

5 answers

306 views

Would a tank with a cloaking device be pointless? [closed]

internal-consistency warfare near-future stealth

asked Sep 28, 2017 at 16:22

0 votes

2 answers

168 views

Could a machine be built that allows you to talk on different frequencies? [closed]

internal-consistency communication

asked Oct 2, 2017 at 23:41

0 votes

1 answer

50 views

Is Friction charging or Tribostatic charging, futuristic?

internal-consistency power-sources

asked Oct 8, 2017 at 2:48

0 votes

1 answer

122 views

Could this algorithm be inaccurate or cause ethical problems? [closed]

internal-consistency computers software-recommendations

asked Oct 8, 2017 at 18:39

-1 votes

4 answers

223 views

What would a "molecular debonding spray" do? [closed]

technology biochemistry

asked Sep 28, 2017 at 20:56

-1 votes

1 answer

134 views

How would a shrink ray work without actually “shrinking” a living being? [closed]

technology super-powers medical

asked Jul 18 at 4:13

-2 votes

1 answer

173 views

What's a good name for this technology? [closed]

internal-consistency science-fiction

asked Sep 25, 2017 at 20:09

-3 votes

1 answer

135 views

Are these technologies futuristic or are they already being used in real life? [closed]

internal-consistency power-sources medical

asked Oct 2, 2017 at 19:29

-3 votes

1 answer

89 views

What is a nanocomputer processing node? [closed]

internal-consistency computers nanotechnology

asked Oct 11, 2017 at 0:42

-3 votes

2 answers

115 views

How could I explain how a “three body or more system” orbit works? [closed]

science-fiction orbital-mechanics

asked Jul 26 at 19:52

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29 Questions

Could a jellyfish be bio-engineered to convert salt water into fresh water?

Are supersonic submarine trains necessary in a civilization that spans a galaxy

Can sonoluminescence be used to create exotic art in my future civilization?

Could pulsars really act as "lighthouses" to help in interstellar travel?

Would a planet-sized computer like a Jupiter Brain or a Matrioksha brain be more expensive to build than the Death Star?

Could a quantum computer be able to simulate a universe? [closed]

How could I make an ion engine work within an atmosphere?

What would be more realistic for a universe where FTL is possible?

What would discovery of a magnetic monopole do for a civilization? [closed]

Feasibility of a pill with the opposite effect of birth control?

What would be involved in generating an artificial magnetosphere for planet Mars? [duplicate]

How feasible is "invisible spray"?

What features would a future, advanced telescope have? [closed]

Would vertical forest cities be unnecessary in a Galaxy wide Civilization? [closed]

Would a magnetic monopole rocket engine produce more energy than an ion engine?

Is this phrase technobabble or can it be broken down to be understandable? [closed]

What's a cool function or ability that a new element on the periodic table could have? [closed]

Could it be possible to contain an artificial singularity? [closed]

What could be done to make a red dwarf become a blue dwarf, then a white dwarf and then finally a black dwarf in a short amount of time?

Would a tank with a cloaking device be pointless? [closed]

Could a machine be built that allows you to talk on different frequencies? [closed]

Is Friction charging or Tribostatic charging, futuristic?

Could this algorithm be inaccurate or cause ethical problems? [closed]

What would a "molecular debonding spray" do? [closed]

How would a shrink ray work without actually “shrinking” a living being? [closed]

What's a good name for this technology? [closed]

Are these technologies futuristic or are they already being used in real life? [closed]

What is a nanocomputer processing node? [closed]

How could I explain how a “three body or more system” orbit works? [closed]