Scientific Speculation

25%

+0 −4

Digging Depressions in seafloor to create artificial islands in nearby areas

2 answers · posted 4mo ago by JohnDoea‭ · last activity 1d ago by Pastychomper‭

sea-exploration

50%

+0 −0

Was the total amount of water on earth ever significantly different?

2 answers · posted 25d ago by JohnDoea‭ · last activity 20d ago by Lundin‭

climate water geology chemical-process ecosystem

20%

+0 −6

Scientific solution to bureaucracy-applied-to-humans [closed]

1 answer · posted 2mo ago by JohnDoea‭ · closed 20d ago by Canina‭

politics identity human-biology computer-science libre

66%

+4 −1

Could a laser using a "light capacitor" rather than a battery work?

1 answer · posted 29d ago by pootis‭ · last activity 28d ago by Olin Lathrop‭

weapons warfare laser

60%

+1 −0

Human elytra flying off a cliff

2 answers · posted 2mo ago by Rhea‭ · last activity 1mo ago by dsr‭

flight humanoid

50%

+1 −1

If the poles ice would melt, would it be critical for human survival to try to bring it back?

1 answer · posted 2mo ago by JohnDoea‭ · last activity 2mo ago by Olin Lathrop‭

climate

75%

+4 −0

How would an interstellar spaceship's speedometer work if everything else is moving?

12 answers · posted almost 6 years ago by user6760‭ · last activity 2mo ago by celtschk‭

space travel space-travel transportation transport

66%

+2 −0

What is the most efficent way of killing prey much larger than yourself?

14 answers · posted 3y ago by SealBoi‭ · last activity 2mo ago by KalleMP‭

biology fauna

50%

+1 −1

The more horizontal a building (on planet earth) is, the more years it can survive a collapse?

2 answers · posted 2mo ago by JohnDoea‭ · last activity 2mo ago by Olin Lathrop‭

Structural-integrity-and-failure

77%

+5 −0

Could grow lights on a massive scale replace 100% of sunlight for 100% of the growing season?

2 answers · posted 2mo ago by JBH‭ · last activity 2mo ago by KalleMP‭

agriculture light

57%

+2 −1

A single beam laser treatment to both remove hair and flatten a scar

1 answer · posted 3mo ago by JohnDoea‭ · last activity 2mo ago by JBH‭

laser

40%

+0 −1

How does radiotherapy destroys proximal (subcutaneous) fat cells? [closed]

0 answers · posted 4mo ago by JohnDoea‭ · edited 3mo ago by JohnDoea‭

dermatology radiotherapy lipolysis

60%

+1 −0

Making a hair cream without using any lipids/oils

0 answers · posted 3mo ago by JohnDoea‭ · edited 3mo ago by JohnDoea‭

chemsitry cosmetics

60%

+1 −0

Natural ways to acquire gravity and heat for a colony on earth's moon

2 answers · posted 4mo ago by JohnDoea‭ · edited 4mo ago by JohnDoea‭

moons

60%

+1 −0

Creatine supplementation as enhancing the natural production of Carnosine and vice versa

1 answer · posted 4mo ago by JohnDoea‭ · last activity 4mo ago by Pastychomper‭

Creatine Carnosine Amino-acids Veganism

40%

+0 −1

An hair product which is both a lipid ointment and a gel

0 answers · posted 4mo ago by JohnDoea‭ · edited 4mo ago by JohnDoea‭

chemistry hair-products

80%

+6 −0

Could a habitable planet lit by the cosmic microwave background plausibly exist?

1 answer · posted 5mo ago by celtschk‭ · last activity 5mo ago by dsr‭

planets alternate-worlds habitability

77%

+5 −0

Composite armor based on diamonds, could it work?

1 answer · posted 5mo ago by Mr. Mistoffelees‭ · last activity 5mo ago by Olin Lathrop‭

armors nanotechnology

66%

+2 −0

Would there be any major disadvantages for a species to have six legs instead of four?

13 answers · posted 3y ago by Canina‭ · edited 5mo ago by Canina‭

evolution creature-design

66%

+2 −0

Exploration of a 50 mile high mountain

6 answers · posted almost 4 years ago by Green‭ · edited 5mo ago by Canina‭

space technology exploration

60%

+1 −0

How could dragons be explained without magic?

18 answers · posted 7y ago by Sheraff‭ · last activity 5mo ago by celtschk‭

biology creature-design mythical-creatures dragons

60%

+1 −0

Multi-purpose Fictional Chemical Element Needed

5 answers · posted over 4 years ago by Michael Faraday‭ · last activity 5mo ago by Canina‭

reality-check energy bio-mechanics chemistry

71%

+3 −0

How to protect intelligent fluids from heat damage?

2 answers · posted 5mo ago by Mr. Mistoffelees‭ · edited 5mo ago by Canina‭

physics robots

66%

+2 −0

How would utility fluids move and stay together?

1 answer · posted 5mo ago by Mr. Mistoffelees‭ · edited 5mo ago by Canina‭

nanotechnology robots hydrodynamics

50%

+0 −0

Repetitive head-hair removal and lab-grown head-hair planting

1 answer · posted 6mo ago by JohnDoea‭ · last activity 6mo ago by Pastychomper‭

dermatology

60%

+1 −0

Keratin biosynthesis and human hair straightness/smoothness

1 answer · posted 7mo ago by JohnDoea‭ · last activity 7mo ago by Olin Lathrop‭

hair

40%

+0 −1

Is the combination of water and medical skin laser dangerous?

1 answer · posted 7mo ago by JohnDoea‭ · last activity 7mo ago by Olin Lathrop‭

biology medical laser

71%

+3 −0

Is the Caspian Sea becoming smaller since the industrial revolution?

0 answers · posted 7mo ago by JohnDoea‭ · edited 7mo ago by JohnDoea‭

sea climate-change pre-industrial industrial-age

71%

+3 −0

Plausibility of "multi-type transmissible animal cell tumor" to form more complex structures.

2 answers · posted 1y ago by Cazadorro‭ · last activity 8mo ago by sox‭

medical animal tumor cell

80%

+6 −0

Centripetal Burn in Orbit

1 answer · posted 9mo ago by Josh Hyatt‭ · last activity 8mo ago by Olin Lathrop‭

space orbital-mechanics

81%

+7 −0

Why would a race constantly deafened by ambient noises still hear?

3 answers · posted 10mo ago by DonielF‭ · last activity 9mo ago by ajekb78‭

evolution senses abilities

37%

+1 −3

How to survive and become self-sufficient in the nature?

3 answers · posted over 4 years ago by Seraph Myrmidon‭ · last activity 9mo ago by Canina‭

culture technology agriculture survival engineering

80%

+6 −0

How do you establish identity when people can change their appearance at will?

3 answers · posted 11mo ago by Green‭ · last activity 9mo ago by Pastychomper‭

genetics identity governance

50%

+3 −3

How do you find a mate when everyone looks amazing?

15 answers · posted 6y ago by Green‭ · last activity 10mo ago by celtschk‭

evolution humans near-future future

50%

+1 −1

Why buy tech from the future?

1 answer · posted 11mo ago by Green‭ · last activity 10mo ago by Jordan‭

technology economy time-travel near-future

60%

+4 −2

Effects of not growing up?

1 answer · posted 11mo ago by Matthew‭ · last activity 11mo ago by Olin Lathrop‭

biology

50%

+1 −1

An alternative way to rotate or in this case rolltate

5 answers · posted over 1 year ago by Nanoshadow‭ · last activity 11mo ago by Matthew‭

climate astronomy physics solar-system alternate-reality

50%

+0 −0

What is the best apex predator to thin the zombie herds? [duplicate]

0 answers · posted 11mo ago by Green‭ · closed as duplicate 11mo ago by Canina‭

fauna zombies

50%

+0 −0

Exploration of a 50 mile high mountain [duplicate]

0 answers · posted 11mo ago by Green‭ · closed as duplicate 11mo ago by Canina‭

space technology exploration

71%

+3 −0

How do I manage memetic infection while time traveling?

2 answers · posted 11mo ago by Green‭

time-travel information

83%

+8 −0

Is it realistic to see satellites moving across the sky centuries after humans stopped space activity?

1 answer · posted 11mo ago by celtschk‭ · last activity 11mo ago by Green‭

space satellites

60%

+4 −2

How to Convince Humans to Allow a Machine Take-Over

8 answers · posted 6y ago by Varrick‭ · last activity 11mo ago by celtschk‭

society intelligence artificial-intelligence robots

80%

+6 −0

How efficient can a Dyson sphere be?

1 answer · posted over 1 year ago by HDE 226868‭ · last activity 11mo ago by celtschk‭

physics dyson-spheres megastructures energy materials

66%

+2 −0

Is a genetically modified human with a much higher height plausible?

3 answers · posted over 1 year ago by Popplio Lover‭ · last activity 12mo ago by Razetime‭

evolution humans

66%

+4 −1

Wings going from locomotive purposes in juveniles to sexual purposes in adults, plausible?

0 answers · posted 1y ago by caters‭ · edited 1y ago by Lundin‭

evolution sex species

75%

+4 −0

How do I realistically keep my large mammalian predator hidden from other pack hunters.

3 answers · posted 1y ago by Cazadorro‭ · last activity 1y ago by Lundin‭

biology creature-design mammals abilities

80%

+6 −0

Magnet strong enough to rip the iron out of your body feasible?

2 answers · posted 1y ago by Cazadorro‭ · last activity 1y ago by DonielF‭

biology magnetism electromagnetism

71%

+3 −0

How to make an animal which can only breed for a certain number of generations?

13 answers · posted over 2 years ago by Richard Smith‭ · last activity 1y ago by James Jenkins‭

biology science-based

55%

+3 −2

How to Terraform a Dead Earth

1 answer · posted 1y ago by Enfield‭ · last activity 1y ago by Olin Lathrop‭

science-based terraforming science-fiction alternate-earth

75%

+4 −0

Restricted Directions for an Alcubierre Drive?

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

science-based spaceships science-fiction

Communities