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Q&A

General Q&A about worldbuilding and other speculative developments that can be extrapolated from science.

83%
+8 −0
Is it realistic to see satellites moving across the sky centuries after humans stopped space activity?

1 answer  ·  posted almost 2 years ago by celtschk‭  ·  last activity almost 2 years ago by Green‭

81%
+7 −0
Why would a race constantly deafened by ambient noises still hear?

3 answers  ·  posted almost 2 years ago by DonielF‭  ·  last activity over 1 year ago by ajekb78‭

81%
+7 −0
Is it possible to create a beam of non-relativistic neutrinos?

1 answer  ·  posted over 2 years ago by HDE 226868‭  ·  last activity over 2 years ago by dmckee‭

80%
+6 −0
80%
+6 −0
Centripetal Burn in Orbit

1 answer  ·  posted over 1 year ago by Josh Hyatt‭  ·  last activity over 1 year ago by Olin Lathrop‭

80%
+6 −0
How do you establish identity when people can change their appearance at will?

3 answers  ·  posted almost 2 years ago by Green‭  ·  last activity over 1 year ago by Pastychomper‭

80%
+6 −0
80%
+6 −0
How efficient can a Dyson sphere be?

1 answer  ·  posted 2y ago by HDE 226868‭  ·  last activity almost 2 years ago by celtschk‭

77%
+5 −0
Composite armor based on diamonds, could it work?

1 answer  ·  posted over 1 year ago by Mr. Mistoffelees‭  ·  last activity over 1 year ago by Olin Lathrop‭

77%
+5 −0
What conditions would cause an extremely dense (dark) coniferous forest to grow?

1 answer  ·  posted over 2 years ago by xtal‭  ·  last activity over 2 years ago by Olin Lathrop‭

77%
+5 −0
75%
+4 −0
How to reduce tornados in the US Great Plains?

1 answer  ·  posted 19d ago by Aaron‭  ·  last activity 15d ago by Olin Lathrop‭

75%
+4 −0
Avoiding Incidental Ion Drive damage to Following Vehicles?

1 answer  ·  posted 2y ago by Cazadorro‭  ·  last activity 2y ago by dmckee‭

75%
+4 −0
Competently Mobile Photosynthetic Animal?

1 answer  ·  posted over 2 years ago by Cazadorro‭  ·  edited over 2 years ago by Cazadorro‭

75%
+4 −0
Restricted Directions for an Alcubierre Drive?

1 answer  ·  posted over 2 years ago by FlyingLemmingSoup‭  ·  last activity 2y ago by lsusr‭

72%
+6 −1
Why would merfolk have hair?

21 answers  ·  posted over 6 years ago by Uncle Tres‭  ·  last activity 2y ago by PinoBatch‭

71%
+3 −0
Price's Law Sanity Check

1 answer  ·  posted 2mo ago by James McLellan‭  ·  last activity 21d ago by dsr‭

71%
+3 −0
How to protect intelligent fluids from heat damage?

2 answers  ·  posted over 1 year ago by Mr. Mistoffelees‭  ·  edited over 1 year ago by Canina‭

71%
+3 −0
71%
+3 −0
71%
+3 −0
71%
+3 −0
71%
+3 −0
What would the sky view be like of a final stage massive merged galaxy?

1 answer  ·  posted over 2 years ago by RandySavage‭  ·  last activity over 2 years ago by HDE 226868‭

71%
+3 −0
66%
+2 −0
High-Energy Exhaust Shielding for Far-Future Drive

1 answer  ·  posted 8mo ago by Josh Hyatt‭  ·  last activity 4mo ago by James McLellan‭

66%
+4 −1
66%
+2 −0
How would utility fluids move and stay together?

1 answer  ·  posted over 1 year ago by Mr. Mistoffelees‭  ·  edited over 1 year ago by Canina‭

66%
+4 −1
Black as color of magic

2 answers  ·  posted over 2 years ago by Prahara‭  ·  last activity over 2 years ago by Aliza‭

66%
+2 −0
How large would be the habitable area in a tidally locked planet?

2 answers  ·  posted over 2 years ago by Mister Onion‭  ·  last activity over 2 years ago by Mister Onion‭

66%
+2 −0
Do seasons occur on a tidally-locked planet?

4 answers  ·  posted over 2 years ago by Mister Onion‭  ·  last activity over 2 years ago by HDE 226868‭

66%
+2 −0
Is a genetically modified human with a much higher height plausible?

3 answers  ·  posted over 2 years ago by Popplio Lover‭  ·  last activity almost 2 years ago by Razetime‭

66%
+2 −0
How long would a planet that losses its gravity take to break up?

1 answer  ·  posted over 2 years ago by Dave Driver‭  ·  last activity over 2 years ago by HDE 226868‭

66%
+2 −0
How fast would strange matter conversion go?

1 answer  ·  posted over 2 years ago by Nierninwa‭  ·  last activity over 2 years ago by HDE 226868‭

66%
+2 −0
66%
+2 −0
66%
+2 −0
Exploration of a 50 mile high mountain

6 answers  ·  posted almost 5 years ago by Green‭  ·  edited over 1 year ago by Canina‭

66%
+2 −0
66%
+2 −0
The evolution of neon kittens

5 answers  ·  posted over 6 years ago by Green‭  ·  last activity over 6 years ago by Green‭

66%
+2 −0
What if the Planck constant was exactly zero?

3 answers  ·  posted almost 7 years ago by Anders Gustafson‭  ·  last activity over 2 years ago by HDE 226868‭

66%
+2 −0
66%
+2 −0
Interstellar internet use cases, or "What if the internet was mail-order?"

5 answers  ·  posted over 7 years ago by AdamHovorka‭  ·  last activity over 7 years ago by AdamHovorka‭

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