Scientific Speculation

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Would dinosaurs render a planet unfit for colonization?

6 answers · posted almost 7 years ago by Peter U‭ · last activity over 6 years ago by Peter U‭

fauna colonization

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Maglev transportation without tracks

3 answers · posted over 6 years ago by mjr‭ · last activity over 6 years ago by mjr‭

travel reality-check science-based

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Could there be an ecological relationship in which both parties are harmed?

6 answers · posted almost 7 years ago by blaizor‭ · last activity over 6 years ago by blaizor‭

biology evolution science-based

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A continent lost underwater?

7 answers · posted almost 7 years ago by cedes‭ · last activity almost 7 years ago by cedes‭

reality-check geography

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Is it possible to animate a statue?

4 answers · posted almost 7 years ago by Gassendi‭ · last activity almost 7 years ago by Gassendi‭

reality-check science-based technology

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Jet Powered Animals

4 answers · posted almost 7 years ago by ArtOfCode‭ · last activity almost 7 years ago by ArtOfCode‭

earth-like reality-check science-based fauna earth

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What types of atmospheric disruption (and other issues) would my skyhook make?

1 answer · posted almost 7 years ago by user3082‭ · last activity almost 7 years ago by user3082‭

space construction space-constructs

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Matrioshka Testing: A way to keep your AI honest (or at least guessing)

6 answers · posted almost 7 years ago by Serban Tanasa‭ · last activity almost 7 years ago by Serban Tanasa‭

reality-check intelligence artificial-intelligence

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What does it mean for something to be 'knocked out of its orbit'?

1 answer · posted almost 7 years ago by smithkm‭ · last activity almost 7 years ago by smithkm‭

astronomy physics

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Arctic Airships, Part 2 - Navigation

8 answers · posted almost 7 years ago by HDE 226868‭ · last activity almost 7 years ago by HDE 226868‭

earth-like climate reality-check airships navigation

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An interplanetary coordinate system

7 answers · posted almost 7 years ago by Neil‭ · last activity almost 7 years ago by Neil‭

space travel planets space-travel exploration

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Talking to Animals

6 answers · posted almost 7 years ago by dorfy‭ · last activity almost 7 years ago by dorfy‭

reality-check science-based communication fauna ethics

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What would a lunar calendar look like?

4 answers · posted almost 7 years ago by 17482‭ · last activity almost 7 years ago by 17482‭

moons colonization time-keeping time

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What would happen if you attach 2 huge ion engines on the north and south side of planet earth?

4 answers · posted almost 7 years ago by Stefan‭ · last activity almost 7 years ago by Stefan‭

space travel space-travel solar-system earth

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Sapience Pulsar - Could Intelligence Come in Waves?

6 answers · posted almost 7 years ago by Serban Tanasa‭ · last activity almost 7 years ago by Serban Tanasa‭

reality-check evolution technological-development

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How to avert AI. as a main player in the future?

14 answers · posted almost 7 years ago by System‭ · last activity almost 7 years ago by System‭

space intelligence artificial-intelligence

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Are moons always the same colour?

3 answers · posted almost 7 years ago by Jaz‭ · last activity almost 7 years ago by Jaz‭

space moons

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How much technology for a ring-world to work?

7 answers · posted 7y ago by Sheraff‭ · last activity almost 7 years ago by Sheraff‭

space planets science-based

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If there was a planet where the asteroid belt is, could it have a stable orbit?

4 answers · posted almost 7 years ago by Chris Camacho‭ · last activity almost 7 years ago by Chris Camacho‭

orbital-mechanics solar-system

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Cheaper to grow crops in Earth and sending it to space or to grow them in orbit?

6 answers · posted almost 7 years ago by mcbecker‭ · last activity almost 7 years ago by mcbecker‭

science-based culture apocalypse agriculture

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How long to freeze a planet?

2 answers · posted almost 7 years ago by Sam Washburn‭ · last activity almost 7 years ago by Sam Washburn‭

planets apocalypse megastructures gas

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Removing the metal from a star

1 answer · posted almost 7 years ago by Sam Washburn‭ · last activity almost 7 years ago by Sam Washburn‭

stars physics metals

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Dyson Laser feasibility

1 answer · posted almost 7 years ago by Sam Washburn‭ · last activity almost 7 years ago by Sam Washburn‭

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

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

3 answers · posted almost 7 years ago by Jaz‭ · last activity almost 7 years ago by Jaz‭

space moons time

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Weather on a mini-ringworld/Banks Orbital

3 answers · posted almost 7 years ago by System‭ · last activity almost 7 years ago by System‭

space weather space-constructs

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Biology-centric civilization vs AI-based civilization

3 answers · posted almost 7 years ago by Anixx‭ · last activity almost 7 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 · posted almost 7 years ago by Dan Werer‭ · last activity almost 7 years ago by Dan Werer‭

science-based colonization

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How would plants be affected by a 48 hour day?

4 answers · posted almost 7 years ago by Shyy Guy‭ · last activity almost 7 years ago by Shyy Guy‭

earth-like biology day-night earth

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Human survival without eating

3 answers · posted almost 7 years ago by Rodolfo Dias‭ · last activity almost 7 years ago by Rodolfo Dias‭

biology creature-design genetic-engineering engineering

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

2 answers · posted almost 7 years ago by Soryu‭ · last activity almost 7 years ago by Soryu‭

reality-check planets science-based earth

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

3 answers · posted almost 7 years ago by x457812‭ · last activity almost 7 years ago by x457812‭

astronomy

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Effects of high magnetism?

4 answers · posted almost 7 years ago by 22mg‭ · last activity almost 7 years ago by 22mg‭

space biology reality-check physics

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Realistic Future Jobs for Men and Women

22 answers · posted almost 7 years ago by Serban Tanasa‭ · last activity almost 7 years ago by Serban Tanasa‭

technology economy futurology intelligence artificial-intelligence post-scarcity city

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

3 answers · posted almost 7 years ago by Hatoru Hansou‭ · last activity almost 7 years ago by Hatoru Hansou‭

reality-check planets science-based moons earth

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What science-y stuff could hide an island?

3 answers · posted almost 7 years ago by Vector Lightning‭ · last activity almost 7 years ago by Vector Lightning‭

geography science-based futurology

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Entertainment for AI

9 answers · posted almost 7 years ago by guido‭ · last activity almost 7 years ago by guido‭

technology intelligence artificial-intelligence

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

5 answers · posted almost 7 years ago by ballah‭ · last activity almost 7 years ago by ballah‭

reality-check planets science-based humans survival

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Suddenly, you live in the dark!

7 answers · posted almost 7 years ago by ballah‭ · last activity almost 7 years ago by ballah‭

environment reality-check planets science-based technological-development

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

2 answers · posted almost 7 years ago by alan2here‭ · last activity almost 7 years ago by alan2here‭

physics teleportation

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What would the weather be like in an asteroid habitat?

3 answers · posted almost 7 years ago by Mike Nichols‭ · last activity almost 7 years ago by Mike Nichols‭

space weather science-based physics space-constructs

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Could a manned maneuvering unit provide artificial gravity?

3 answers · posted almost 7 years ago by Dan‭ · last activity almost 7 years ago by Dan‭

reality-check science-based gravity

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Possibilities with a force-manipulating device

3 answers · posted almost 7 years ago by AlphaModder‭ · last activity almost 7 years ago by AlphaModder‭

physics

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

2 answers · posted almost 7 years ago by Mikey‭ · last activity almost 7 years ago by Mikey‭

climate atmosphere water water-bodies

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Making the First contact

3 answers · posted almost 7 years ago by Pavel Janicek‭ · last activity almost 7 years ago by Pavel Janicek‭

space travel society psychology aliens humans space-travel

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A species developing writing but not (yet) speech

5 answers · posted almost 7 years ago by Michael Sacchi‭ · last activity almost 7 years ago by Michael Sacchi‭

evolution language

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

2 answers · posted almost 7 years ago by alan2here‭ · last activity almost 7 years ago by alan2here‭

biology reality-check

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Astronomical Phenomena that cause Tidal Waves

3 answers · posted almost 7 years ago by erdekhayser‭ · last activity almost 7 years ago by erdekhayser‭

space moons stars apocalypse radiation

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Harnessing the Moon's kinetic energy

2 answers · posted almost 7 years ago by MDMoore313‭ · last activity almost 7 years ago by MDMoore313‭

moons energy

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Locations for space centres

4 answers · posted almost 7 years ago by J_F_B_M‭ · last activity almost 7 years ago by J_F_B_M‭

space travel space-travel urban

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Is the Alcubierre Drive relatively free from relativistic collisions?

1 answer · posted almost 7 years ago by bowlturner‭ · last activity almost 7 years ago by bowlturner‭

space travel science-based physics space-travel

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