user73829
  • Member for 4 years, 9 months
  • Last seen more than a month ago
9 answers
19 votes
8k views
3 bookmarks
Could a jellyfish be bio-engineered to convert salt water into fresh water?
10 answers
8 votes
2k views
Are supersonic submarine trains necessary in a civilization that spans a galaxy
1 answers
6 votes
139 views
Can sonoluminescence be used to create exotic art in my future civilization?
1 answers
5 votes
302 views
3 bookmarks
Could pulsars really act as "lighthouses" to help in interstellar travel?
5 answers
4 votes
2k views
1 bookmarks
Would a planet-sized computer like a Jupiter Brain or a Matrioksha brain be more expensive to build than the Death Star?
2 answers
4 votes
1k views
Could a quantum computer be able to simulate a universe?
2 answers
2 votes
300 views
1 bookmarks
How feasible is "invisible spray"?
3 answers
2 votes
296 views
Feasibility of a pill with the opposite effect of birth control?
2 answers
2 votes
260 views
What would discovery of a magnetic monopole do for a civilization?
2 answers
2 votes
132 views
What would be involved in generating an artificial magnetosphere for planet Mars?
1 answers
1 votes
366 views
Would a magnetic monopole rocket engine produce more energy than an ion engine?
1 answers
1 votes
93 views
Would vertical forest cities be unnecessary in a Galaxy wide Civilization?
1 answers
1 votes
78 views
What features would a future, advanced telescope have?
3 answers
0 votes
252 views
1 bookmarks
Could it be possible to contain an artificial singularity?
2 answers
0 votes
458 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?
1 answers
0 votes
163 views
Is this phrase technobabble or can it be broken down to be understandable?
2 answers
0 votes
206 views
1 bookmarks
What's a cool function or ability that a new element on the periodic table could have?
1 answers
0 votes
50 views
Is Friction charging or Tribostatic charging, futuristic?
2 answers
0 votes
166 views
1 bookmarks
Could a machine be built that allows you to talk on different frequencies?
5 answers
0 votes
302 views
Would a tank with a cloaking device be pointless?
1 answers
-1 votes
117 views
Could this algorithm be inaccurate or cause ethical problems?
4 answers
-1 votes
220 views
What would a "molecular debonding spray" do?
1 answers
-2 votes
173 views
What's a good name for this technology?
1 answers
-3 votes
83 views
What is a nanocomputer processing node?
1 answers
-3 votes
134 views
Are these technologies futuristic or are they already being used in real life?