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Votes Activity Newest
8
Effects of Lunar gravity on animal life?
Jul 24 '16 at 12:25
7
After the aliens had established first contact, where would it be most rational to put their embassy on Earth?
Oct 23 '20 at 12:21
7
What are plausible faster than light methods for a far advanced civilization that aren't a warp drive
Aug 7 '20 at 1:38
7
How much would we learn from observing an FTL starship fly by?
Nov 26 '19 at 12:03
7
Would there be artificial gravity on a spaceship that undergoes constant acceleration?
Sep 28 '19 at 5:56
7
Would humanity go extinct if pleasure ceases?
Feb 18 '19 at 4:24
7
What's the ideal era for harvesting resources by an advanced society?
Oct 26 '18 at 7:37
7
Plausible reason for Earth not be able to get updates about terraforming on Mars?
Oct 8 '18 at 4:41
7
What would the most peculiar characteristics of a “time fly” be?
Apr 12 '18 at 5:25
7
Does my shipboard computer slow down as I approach light speed?
Mar 9 '18 at 1:37
7
Is there a system to create a tarot deck?
Jul 18 '17 at 4:51
7
Would a species that migrates across the globe discover its roundness sooner?
Jul 8 '17 at 6:52
7
Is it plausible that Venus was once swampy and reasonably habitable to Earth-like beings?
Jun 29 '17 at 2:27
7
Could a genetically modified coral polyp be used as a pathogen?
May 9 '17 at 4:12
7
What factors would allow this caninoid species to evolve successfully?
May 3 '17 at 3:55
7
Designing a solar system to resemble the TRAPPIST-1 system
Apr 25 '17 at 2:29
7
Could planets be at relative rest with respect to each other (in a game universe)?
Apr 25 '17 at 5:02
7
Non-relativistic FTL is trivial. Why are spaceships mostly pretty small?
Feb 14 '17 at 1:54
7
How sophisticated could an illiterate society become?
Jan 28 '17 at 11:53
7
Can Earth-like planet to converted into a giant Tokamak reactor?
Sep 2 '16 at 8:05
6
How to prevent the creation of the Atomic Bomb?
Mar 15 '20 at 11:27
6
What would the geologic record look like on a planet in the galactic halo?
Feb 7 '20 at 3:49
6
A good reason for why aliens want to take over Mars?
Jan 22 '20 at 23:21
6
Why would China and UK peacefully agree Hong Kong to be returned to UK?
Oct 18 '19 at 4:31
6
What could “time manipulation”'s weaknesses be?
Aug 28 '19 at 2:34
6
How much of a modern day tank can the 14th century replicate?
Dec 29 '17 at 7:58
6
Could intelligent life live on the remains of an exploded planet?
Dec 7 '17 at 5:03
6
What dangerous side effects might occur when using a bubble of spacetime to enter hyperspace?
Jul 15 '17 at 12:46
6
What factors cause a society where people have no family name?
Oct 1 '17 at 3:09
6
Can a satellite a little bigger than the ISS be disguised as space debris?
Sep 11 '17 at 4:34
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