Scientific Speculation

71%

+3 −0

Would a 200-Pound Dwarf Still Need to Wear Clothing?

1 answer · posted over 1 year ago by Enfield‭ · last activity over 1 year ago by pnuts‭

biology adaptability humanoid alternate-earth

75%

+4 −0

Avoiding Incidental Ion Drive damage to Following Vehicles?

1 answer · posted over 1 year ago by Cazadorro‭ · last activity over 1 year ago by dmckee‭

space-travel ion drive

72%

+6 −1

Why would merfolk have hair?

21 answers · posted over 5 years ago by Uncle Tres‭ · last activity over 1 year ago by PinoBatch‭

reality-check evolution creature-design merfolk hair

81%

+7 −0

Would a huge amount of asteroids hitting Earth change its rotation speed or destroy the planet?

1 answer · posted over 1 year ago by hkotsubo‭ · last activity over 1 year ago by HDE 226868‭

asteroids earth

66%

+2 −0

Are geographically typed planets realistic?

5 answers · posted over 7 years ago by Liath‭ · last activity over 1 year ago by Canina‭

reality-check planets geography

60%

+1 −0

Is this planet's atmosphere stable and reasonable, and anything to keep in mind for lifeforms living in it?

3 answers · posted over 4 years ago by Canina‭ · edited over 1 year ago by Canina‭

atmosphere reality-check

40%

+0 −1

How to explain a mermaid's tail morphing into legs and vice versa?

4 answers · posted 6y ago by user6760‭ · last activity over 1 year ago by PinoBatch‭

underwater merfolk fantasy-races

57%

+2 −1

How to go from a free person to a slave

11 answers · posted over 6 years ago by Trismegistus‭ · last activity over 1 year ago by PinoBatch‭

psychology slavery

50%

+1 −1

How should I create my Merfolks to make them landbased?

3 answers · posted 7y ago by Pobrecita‭ · last activity over 1 year ago by PinoBatch‭

biology underwater merfolk

40%

+0 −1

Earth where all of Equidae went extinct via Ice Age... - Effects

3 answers · posted over 6 years ago by Malady‭ · last activity over 1 year ago by PinoBatch‭

reality-check fauna

40%

+0 −1

Does the sun being blocked affect electricity?

6 answers · posted 7y ago by KaguraRap‭ · last activity over 1 year ago by PinoBatch‭

natural-disasters electricity

50%

+1 −1

3D Printer / Replicator : Raw Materials and Distribution Cables

3 answers · posted over 4 years ago by Durakken‭ · last activity over 1 year ago by manassehkatz‭

technology science-fiction

42%

+1 −2

Oh crap, it's 2020ad, and the Earth is about to explode! Can we make it to the stars?

9 answers · posted over 3 years ago by SomeGuy‭ · last activity over 1 year ago by manassehkatz‭

apocalypse space-colonization

33%

+0 −2

"Life post-Singularity", or "How to survive without Instagram"

14 answers · posted 6y ago by Babika Babaka‭ · last activity over 1 year ago by wizzwizz4‭

society computers artificial-intelligence near-future singularity

75%

+4 −0

Competently Mobile Photosynthetic Animal?

1 answer · posted over 1 year ago by Cazadorro‭ · edited over 1 year ago by Cazadorro‭

biology plant animal

50%

+1 −1

Can a organism control its metabolism and the heat it's generating?

1 answer · posted over 1 year ago by Random guy‭ · last activity over 1 year ago by wizzwizz4‭

biology xenobiology

81%

+7 −0

Is it possible to create a beam of non-relativistic neutrinos?

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

physics technology relativity particle-physics

66%

+2 −0

How fast would strange matter conversion go?

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

physics quantum astrophysics

66%

+4 −1

Black as color of magic

2 answers · posted over 1 year ago by Prahara‭ · last activity over 1 year ago by Aliza‭

vision colors

50%

+0 −0

What would this nebula look like from a planet?

3 answers · posted almost 6 years ago by Monica Cellio‭ · edited over 1 year ago by Monica Cellio‭

stars nebula light

50%

+0 −0

How can I safely brighten my secondary star?

5 answers · posted over 6 years ago by Monica Cellio‭ · edited over 1 year ago by Monica Cellio‭

stars light

66%

+2 −0

How do seasons work in a binary system (planet orbits one star, not both)?

5 answers · posted over 6 years ago by Monica Cellio‭ · edited over 1 year ago by Monica Cellio‭

planets stars light

50%

+0 −0

How much does my secondary star heat the planet orbiting my primary star?

3 answers · posted 6y ago by Monica Cellio‭ · edited over 1 year ago by Monica Cellio‭

planets stars

77%

+5 −0

What conditions would cause an extremely dense (dark) coniferous forest to grow?

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

climate forestry ecology

60%

+1 −0

Can velocity drift be used to calculate a radio wave source's distance from Earth?

4 answers · posted 2y ago by zeno‭ · last activity over 1 year ago by HDE 226868‭

astronomy radio

60%

+1 −0

Cruelty Free Vampirism [closed]

6 answers · posted 4y ago by Douglas‭ · closed over 1 year ago by HDE 226868‭

biology society alternate-history vampires science-fiction

60%

+1 −0

Does crossing a wormhole happen instantaneously, or with the course of time?

2 answers · posted almost 3 years ago by ΓΙΑΝΝΗΣ ΜΙΧΑΗΛΙΔΗΣ‭ · edited over 1 year ago by ArtOfCode‭

wormholes transportation

60%

+1 −0

How could a bad random number generator explain baryon asymmetry?

3 answers · posted over 6 years ago by Konrad Höffner‭ · last activity over 1 year ago by HDE 226868‭

physics antimatter computers

60%

+1 −0

Inverse orbital direction

2 answers · posted 2y ago by Zavael‭ · last activity over 1 year ago by HDE 226868‭

planets orbital-mechanics

66%

+2 −0

What if the Planck constant was exactly zero?

3 answers · posted 6y ago by Anders Gustafson‭ · last activity over 1 year ago by HDE 226868‭

physics quantum

66%

+2 −0

Could there be something like the Higgs field which gives particles their energy in a similar way to how the Higgs boson gives particles their mass?

1 answer · posted almost 2 years ago by Aeroan‭ · last activity over 1 year ago by HDE 226868‭

physics energy science-fiction quantum

60%

+1 −0

Why do flying saucers have to spin while flying?

3 answers · posted almost 2 years ago by user6760‭ · last activity over 1 year ago by HDE 226868‭

spaceships technology aliens flying-machines

71%

+3 −0

What would the sky view be like of a final stage massive merged galaxy?

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

astronomy galactic

66%

+2 −0

Do seasons occur on a tidally-locked planet?

4 answers · posted over 1 year ago by Mister Onion‭ · last activity over 1 year ago by HDE 226868‭

astronomy planets seasons astrophysics tidally-locked

77%

+5 −0

What Factors Could Cause a World to See "Northern" Lights Much Closer to the Equator?

4 answers · posted over 7 years ago by Liath‭ · last activity over 1 year ago by Canina‭

astronomy atmosphere

66%

+2 −0

How long would a planet that losses its gravity take to break up?

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

physics gravity science-fiction

50%

+0 −0

What could cause Earth to drift out of orbit over a period of months to years?

6 answers · posted 7y ago by Monica Cellio‭ · edited over 1 year ago by Canina‭

planets apocalypse earth

66%

+2 −0

How can the Hertzsprung-Russell diagram be used in star building?

3 answers · posted over 3 years ago by Sam Coutteau‭ · edited over 1 year ago by HDE 226868‭

astronomy stars

60%

+1 −0

What can I add to an oxygen/nitrogen atmosphere to make it unpalatable or poisonous to humans, yet stable and breathable to local creatures?

9 answers · posted over 4 years ago by Canina‭ · edited over 1 year ago by Canina‭

earth-like atmosphere oxygen chemistry

50%

+1 −1

Anatomically Correct Mokèlé-mbèmbé

3 answers · posted 5y ago by Uncle Tres‭ · edited over 1 year ago by Canina‭

biology reality-check evolution creature-design

60%

+1 −0

What would be different if a person has broader visual spectrum than normal

2 answers · posted 4y ago by Hendrik Lie‭ · edited over 1 year ago by Monica Cellio‭

society humans vision

60%

+1 −0

Anatomically Correct Vanara

2 answers · posted almost 2 years ago by TGCF ‭ · last activity over 1 year ago by TGCF ‭

reality-check evolution creature-design fantasy-races

50%

+0 −0

If an ET has caramel blood, what it implies?

1 answer · posted almost 2 years ago by raiden‭ · last activity over 1 year ago by raiden‭

biology aliens creature-design xenobiology

50%

+0 −0

What organs or modification needed to have tree that gain energy from lightning or electricity?

5 answers · posted over 1 year ago by Li Jun‭ · last activity over 1 year ago by Li Jun‭

biology flora xenobiology plant-design

50%

+0 −0

Would caves in general be practical lairs for a dragon?

1 answer · posted over 1 year ago by Mephistopheles‭ · last activity over 1 year ago by Mephistopheles‭

dragons

50%

+0 −0

How could the display technology of self-rewriting books work?

1 answer · posted over 1 year ago by Mephistopheles‭ · last activity over 1 year ago by Mephistopheles‭

computers robots optics

50%

+0 −0

Cons of Antimatter Weaponry

6 answers · posted over 1 year ago by Dawnfire‭ · last activity over 1 year ago by Dawnfire‭

antimatter power-sources weapon-mass-destruction science-fiction

60%

+1 −0

Could my leviathans exist?

1 answer · posted over 1 year ago by icewar1908‭ · last activity over 1 year ago by icewar1908‭

biology reality-check evolution creature-design

50%

+0 −0

Exclusively underground creature experiencing sun-light for the first-time

3 answers · posted over 1 year ago by Prahara‭ · last activity over 1 year ago by Prahara‭

biology reality-check xenobiology

50%

+0 −0

Water & Nutrient Cycle of an upside down forest

7 answers · posted over 1 year ago by Nosajimiki - Reinstate Monica‭ · last activity over 1 year ago by Nosajimiki - Reinstate Monica‭

water flora megastructures gas soil water-cycle

Communities