Scientific Speculation - Posts tagged megastructures

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Q&A How efficient can a Dyson sphere be?

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

Question physics dyson-spheres megastructures energy materials

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Q&A Water & Nutrient Cycle of an upside down forest

7 answers · posted over 2 years ago by Nosajimiki - Reinstate Monica‭ · last activity over 2 years ago by Nosajimiki - Reinstate Monica‭

Question water flora megastructures gas soil water-cycle

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Q&A Could a galaxy of Nicoll-Dyson beams hit a single target?

2 answers · posted over 2 years ago by RandySavage‭ · last activity over 2 years ago by RandySavage‭

Question physics megastructures gas galactic

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Q&A What is the best form of powered vehicular flight within a McKendree habitat?

3 answers · posted over 2 years ago by rek‭ · last activity over 2 years ago by rek‭

Question flight megastructures light gas science-fiction vehicles

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Q&A Where to place an artificial oceanic island?

1 answer · posted over 2 years ago by SilverCookies‭ · last activity over 2 years ago by SilverCookies‭

Question geography megastructures gas ocean

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Q&A What percentage of stars would need to become Shkadov thrusters to move the whole galaxy?

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

Question space gravity megastructures gas galactic

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Q&A Meteorological consequences of walls reaching into the sky, enclosing a large area

1 answer · posted over 2 years ago by Mark Gardner‭ · last activity over 2 years ago by Mark Gardner‭

Question weather reality-check megastructures gas

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Q&A Roughly how long could an 'Oumuamua type object get?

2 answers · posted over 2 years ago by Slarty‭ · last activity over 2 years ago by Slarty‭

Question astronomy gravity megastructures

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Q&A Are Orbital Rings feasible to construct in another star system?

2 answers · posted over 2 years ago by user72655‭ · last activity over 2 years ago by user72655‭

Question orbital-mechanics megastructures gas science-fiction dyson-ring

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Q&A How to allow a cylindrical habitat (O'Neill or McKendree) to radiate heat to space?

6 answers · posted over 2 years ago by Abanob Ebrahim‭ · last activity over 2 years ago by Abanob Ebrahim‭

Question space space-constructs megastructures gas science-fiction engineering

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Q&A How massive can a structure get on the inside of a Mckendree cylinder?

1 answer · posted over 2 years ago by Abanob Ebrahim‭ · last activity over 2 years ago by Abanob Ebrahim‭

Question space space-constructs megastructures gas science-fiction engineering

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Q&A Maximum Size Limit for a Wooden-and-Bamboo Neo-Ziggurat

3 answers · posted over 2 years ago by JohnWDailey‭ · last activity over 2 years ago by JohnWDailey‭

Question construction mathematics megastructures materials gas

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Q&A Could an enormous structure be used to attract rain by acting as an artificial mountain?

3 answers · posted over 2 years ago by Stonecraft‭ · last activity over 2 years ago by Stonecraft‭

Question climate weather physics terraforming megastructures gas climate-change geophysics

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Q&A How could a skyhook stay in orbit with no human involvement for thousands of years

4 answers · posted almost 3 years ago by John Lewis‭ · last activity almost 3 years ago by John Lewis‭

Question space travel space-travel space-constructs megastructures gas automation

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Q&A How to mine a star?

3 answers · posted almost 3 years ago by Haem‭ · last activity almost 3 years ago by Haem‭

Question stars megastructures gas

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Q&A Hurricane-force winds or gentle breezes in an O'Neill Cylinder?

3 answers · posted almost 3 years ago by David‭ · last activity almost 3 years ago by David‭

Question space travel weather space-travel space-constructs megastructures gas

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Q&A Is it possible to have multiple different climates within one O'Neill cylinder?

3 answers · posted 3y ago by Backup Plan‭ · last activity almost 3 years ago by Backup Plan‭

Question space space-constructs megastructures gas topography

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Q&A How large would a space station have to be to hold one million people indefinitely?

2 answers · posted 3y ago by Alex‭ · last activity 3y ago by Alex‭

Question space travel spaceships space-travel colonization space-colonization megastructures ships gas near-future future

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Q&A Life on the Broken Ring - an issue of size

4 answers · posted over 3 years ago by Ash‭ · last activity 3y ago by Ash‭

Question space-constructs megastructures habitability

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Q&A Building a planet with a primordial black hole core

1 answer · posted 4y ago by Althaen‭ · last activity over 3 years ago by Althaen‭

Question physics black-holes megastructures gas astrophysics

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Q&A What would the climate of a planetwide city be like?

5 answers · posted over 3 years ago by V. Red‭ · last activity over 3 years ago by V. Red‭

Question climate megastructures gas city

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Q&A Prevailing winds on a rotating space habitat

4 answers · posted 4y ago by Mike Nichols‭ · last activity over 3 years ago by Mike Nichols‭

Question space atmosphere space-constructs megastructures gas

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Q&A How would gravity affect a structure that completely encircled the earth

6 answers · posted over 4 years ago by crZyhamSter‭ · last activity over 3 years ago by crZyhamSter‭

Question gravity dyson-spheres megastructures gas

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Q&A What to do with all the heat in a Dyson Sphere?

10 answers · posted over 5 years ago by dot_Sp0T‭ · last activity over 3 years ago by dot_Sp0T‭

Question space dyson-spheres megastructures engineering

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Q&A Hot rods into space!

1 answer · posted 7y ago by Green‭ · last activity almost 4 years ago by Green‭

Question space geology temperature megastructures

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Q&A Creating a Matryoshka Shell World: Sectioning

1 answer · posted almost 4 years ago by GuidingOlive‭ · last activity almost 4 years ago by GuidingOlive‭

Question macroengineering alternate-worlds megastructures gas engineering

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Q&A Creating a Matryoshka Shell world: temperature regulation

4 answers · posted almost 4 years ago by GuidingOlive‭ · last activity almost 4 years ago by GuidingOlive‭

Question physics alternate-worlds megastructures gas science-fiction

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Q&A How, and for how long, could a permanent storm be maintained on Earth by a stationary mega-structure?

1 answer · posted 4y ago by Irving Washington‭ · last activity 4y ago by Irving Washington‭

Question environment climate weather megastructures gas

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Q&A A self-eclipsing orbital ring

1 answer · posted 4y ago by Mike Nichols‭ · last activity 4y ago by Mike Nichols‭

Question stars space-constructs megastructures eclipses

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Q&A What does a solid, 1 mile diameter subterranean glass sphere look like?

6 answers · posted 4y ago by Pink Sweetener‭ · last activity 4y ago by Pink Sweetener‭

Question megastructures light gas optics

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Q&A O'Neill/McKendree Looping River

7 answers · posted 5y ago by rek‭ · last activity 4y ago by rek‭

Question water megastructures gas engineering

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Q&A Would there be gravity on the plates of a Dyson swarm?

3 answers · posted over 4 years ago by Richard‭ · last activity over 4 years ago by Richard‭

Question orbital-mechanics dyson-spheres megastructures gas

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Q&A Has realistic climate modelling been done for inverted Dyson spheres or similar?

2 answers · posted over 4 years ago by nordmarj‭ · last activity over 4 years ago by nordmarj‭

Question climate dyson-spheres megastructures gas

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Q&A Artificial water planet and shell world combo

2 answers · posted over 4 years ago by Len‭ · last activity over 4 years ago by Len‭

Question space reality-check macroengineering solar-system space-constructs megastructures gas engineering

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Q&A Environmental/meteorological effects of a superstructure

3 answers · posted over 4 years ago by Peaches‭ · last activity over 4 years ago by Peaches‭

Question environment weather megastructures gas

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Q&A How much ice do I need at 0.79c to protect my megastructure

2 answers · posted over 4 years ago by ArtisticPhoenix‭ · last activity over 4 years ago by ArtisticPhoenix‭

Question space travel generation-ships space-travel megastructures ships gas

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Q&A Are there any benefits to a large body of water in a space habitat?

9 answers · posted over 4 years ago by rek‭ · last activity over 4 years ago by rek‭

Question space space-constructs megastructures gas

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Q&A Would a planet-sized computer like a Jupiter Brain or a Matrioksha brain be more expensive to build than the Death Star?

5 answers · posted 5y ago by user73829‭ · last activity over 4 years ago by user73829‭

Question space reality-check economy space-constructs megastructures gas

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Q&A Can Cloud Nine be built?

10 answers · posted over 6 years ago by Samuel‭ · last activity over 4 years ago by Samuel‭

Question megastructures

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Q&A How long would it take a civilization to see and understand a Dyson ring?

1 answer · posted over 4 years ago by SpaceMouse‭ · last activity over 4 years ago by SpaceMouse‭

Question astronomy megastructures gas

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Q&A Can you protect a Space Elevator from Space Junk?

12 answers · posted almost 5 years ago by Renzler‭ · last activity almost 5 years ago by Renzler‭

Question space travel reality-check space-travel colonization space-colonization megastructures gas

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Q&A Hiding a subterranean alien megastructure

10 answers · posted almost 5 years ago by Z.Schroeder‭ · last activity almost 5 years ago by Z.Schroeder‭

Question reality-check earth megastructures gas

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Q&A How do 21st century C.E. submersibles enter an underwater dome swiftly and safely?

6 answers · posted almost 5 years ago by user6760‭ · last activity almost 5 years ago by user6760‭

Question water underwater megastructures gas

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Q&A Neutron star mining?

3 answers · posted 5y ago by Logan R. Kearsley‭ · last activity 5y ago by Logan R. Kearsley‭

Question space space-constructs megastructures gas engineering

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Q&A White Dwarf mining?

3 answers · posted 5y ago by Logan R. Kearsley‭ · last activity 5y ago by Logan R. Kearsley‭

Question macroengineering space-constructs megastructures engineering

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Q&A Extremely huge dirigible/airplane hybrid feasibility

4 answers · posted 5y ago by Brooks Nelson‭ · last activity 5y ago by Brooks Nelson‭

Question environment reality-check megastructures gas

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Q&A Stellar Compression in Dyson Sphere

2 answers · posted 5y ago by TheNewGuy‭ · last activity 5y ago by TheNewGuy‭

Question stars macroengineering megastructures gas engineering

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Q&A Creating a viable/stable Alderson disk

1 answer · posted over 5 years ago by Amon‭ · last activity over 5 years ago by Amon‭

Question space space-constructs megastructures gas

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Q&A With minimal terraforming, what features/structures would need to be built to protect a 25mi radius city from wind?

3 answers · posted over 5 years ago by Reed‭ · last activity over 5 years ago by Reed‭

Question weather megastructures gas engineering

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Q&A Stable ringworld interactivity with other solar system objects

2 answers · posted over 5 years ago by Ross‭ · last activity over 5 years ago by Ross‭

Question planets physics solar-system megastructures gas

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Posts tagged megastructures