Scientific Speculation

50%

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Dyson Laser feasibility

1 answer · last activity about 6 years ago by Sam Washburn‭

space space-constructs weapon-mass-destruction megastructures energy gas

50%

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Can a planet's moon rise at the same time every night?

3 answers · last activity about 6 years ago by Jaz‭

space moons time

50%

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Weather on a mini-ringworld/Banks Orbital

3 answers · last activity about 6 years ago by System‭

space weather space-constructs

50%

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Biology-centric civilization vs AI-based civilization

3 answers · last activity about 6 years ago by Anixx‭

biology futurology intelligence artificial-intelligence

50%

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What are the minimum local environment requirements for a human colony?

2 answers · last activity about 6 years ago by Dan Werer‭

science-based colonization

50%

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How would plants be affected by a 48 hour day?

4 answers · last activity about 6 years ago by Shyy Guy‭

earth-like biology day-night earth

50%

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Human survival without eating

3 answers · last activity about 6 years ago by Rodolfo Dias‭

biology creature-design genetic-engineering engineering

50%

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What would be the effects of a Chicxulub-sized impact on Earth's magnetic field?

2 answers · last activity about 6 years ago by Soryu‭

reality-check planets science-based earth

50%

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A villain with a system (located on ground) that has created a catalog of earth orbit satellites

3 answers · last activity about 6 years ago by x457812‭

astronomy

50%

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Effects of high magnetism?

4 answers · last activity about 6 years ago by 22mg‭

space biology reality-check physics

50%

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Realistic Future Jobs for Men and Women

22 answers · last activity about 6 years ago by Serban Tanasa‭

technology economy futurology intelligence artificial-intelligence post-scarcity city

50%

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What are the expected impact on Earth ecosystems by mining activities in the Moon?

3 answers · last activity about 6 years ago by Hatoru Hansou‭

reality-check planets science-based moons earth

50%

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What science-y stuff could hide an island?

3 answers · last activity about 6 years ago by Vector Lightning‭

geography science-based futurology

50%

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Entertainment for AI

9 answers · last activity about 6 years ago by guido‭

technology intelligence artificial-intelligence

50%

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Is it possible for humans to live on such a planet?

5 answers · last activity about 6 years ago by ballah‭

reality-check planets science-based humans survival

50%

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Suddenly, you live in the dark!

7 answers · last activity about 6 years ago by ballah‭

environment reality-check planets science-based technological-development

50%

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In 'portal', pushing interconnected portals on thin portal sized rectangles of material through each other?

2 answers · last activity about 6 years ago by alan2here‭

physics teleportation

50%

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What would the weather be like in an asteroid habitat?

3 answers · last activity about 6 years ago by Mike Nichols‭

space weather science-based physics space-constructs

50%

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Could a manned maneuvering unit provide artificial gravity?

3 answers · last activity about 6 years ago by Dan‭

reality-check science-based gravity

50%

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Possibilities with a force-manipulating device

3 answers · last activity about 6 years ago by AlphaModder‭

physics

50%

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What happens to air pressure if the ice caps completely melt?

2 answers · last activity about 6 years ago by Mikey‭

climate atmosphere water water-bodies

50%

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Making the First contact

3 answers · last activity about 6 years ago by Pavel Janicek‭

space travel society psychology aliens humans space-travel

50%

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A species developing writing but not (yet) speech

5 answers · last activity about 6 years ago by Michael Sacchi‭

evolution language

50%

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Burrowing/tunnelling creatures on earth with intricate underground organisation/society?

2 answers · last activity about 6 years ago by alan2here‭

biology reality-check

50%

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Astronomical Phenomena that cause Tidal Waves

3 answers · last activity about 6 years ago by erdekhayser‭

space moons stars apocalypse radiation

50%

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Harnessing the Moon's kinetic energy

2 answers · last activity about 6 years ago by MDMoore313‭

moons energy

50%

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Locations for space centres

4 answers · last activity about 6 years ago by J_F_B_M‭

space travel space-travel urban

50%

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Is the Alcubierre Drive relatively free from relativistic collisions?

1 answer · last activity about 6 years ago by bowlturner‭

space travel science-based physics space-travel

50%

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What is the minimum distance needed between physically distinct races?

3 answers · last activity about 6 years ago by Epiglottal Axolotl‭

geography races demographics genetics

50%

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How can I estimate how far into a cave network breathing is possible?

2 answers · last activity about 6 years ago by trichoplax‭

science-based physics caves

50%

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Traffic in Space (a traffic controller for low earth orbit)

2 answers · last activity about 6 years ago by 2012rcampion‭

space travel society science-based orbital-mechanics space-travel

50%

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Eye in the Sky Effect

5 answers · last activity about 6 years ago by Donny‭

astronomy planets moons

50%

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How would a Martian colony be able to celebrate Christmas?

12 answers · last activity about 6 years ago by Pavel Janicek‭

planets society humans solar-system

50%

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Trebuchet's effect on ship design

3 answers · last activity about 6 years ago by Tyson of the Northwest‭

physics shipbuilding

50%

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Is it possible for humans to evolve to eat something like wood or stone or something similar?

3 answers · last activity about 6 years ago by CrazySlayaNinjaBear‭

evolution humans

50%

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Cost of colony on Mars/Moon per metric ton

1 answer · last activity about 6 years ago by Irigi‭

space science-based colonies economy

50%

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What is the soonest we could possibly have a self-sufficient base on Mars?

7 answers · last activity about 6 years ago by overactor‭

space colonies

50%

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Could a civilization as advanced as humans exist on a planet/dwarf planet like Pluto?

5 answers · last activity about 6 years ago by CrazySlayaNinjaBear‭

biology planets science-based civilization humans

50%

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How to fragment a moon to form a ring around a planet

4 answers · last activity about 6 years ago by Robert Boettcher‭

planets science-based moons

50%

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How soon will the first underwater cities be built?

4 answers · last activity about 6 years ago by Sheraff‭

science-based cities water underwater

50%

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Method for creating aerial visuals (photography) for fake landmasses

2 answers · last activity about 6 years ago by randomblink‭

geography software-recommendations cartography

50%

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Would the knowledge of physics on a native aquatic planet be similar to our own?

7 answers · last activity about 6 years ago by fubar50‭

planets science-based physics computers scientific-development

50%

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How soon will tinkering with biology be as simple as programming is now?

5 answers · last activity about 6 years ago by Sheraff‭

biology science-based technological-development

50%

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4 answers · last activity about 6 years ago by Rodolfo Dias‭

biology creature-design

50%

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Space station mass per person

1 answer · last activity about 6 years ago by Irigi‭

space science-based space-constructs space-stations

50%

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Shallow sea world - plausable geology?

4 answers · last activity about 6 years ago by Chris Camacho‭

geology sea

50%

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Classification system and measure of progress for science and technology branches and other areas of life

3 answers · last activity about 6 years ago by moonfly‭

science-based futurology nomenclature

50%

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Being cooked for dinner! or What Danger of Blueshifting EM into X-rays and beyond?

2 answers · last activity about 6 years ago by bowlturner‭

space travel science-based space-travel

50%

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Gravitational effects of portals at different heights

3 answers · last activity about 6 years ago by HugoRune‭

travel science-based physics

50%

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What would push a civilization to terraform a planet considering the complexity of this process?

7 answers · last activity about 6 years ago by Vincent‭

environment planets science-based terraforming

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