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Posts tagged megastructures

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69 posts
Tag Only Tag + Children
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How efficient can a Dyson sphere be?

0 answers  ·  last activity about 1 month ago by HDE 226868

physics dyson-spheres megastructures energy materials
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Water & Nutrient Cycle of an upside down forest

7 answers  ·  last activity 3 months ago by Nosajimiki - Reinstate Monica

water flora megastructures gas soil water-cycle
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Could a galaxy of Nicoll-Dyson beams hit a single target?

2 answers  ·  last activity 3 months ago by RandySavage

physics megastructures gas galactic
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What is the best form of powered vehicular flight within a McKendree habitat?

3 answers  ·  last activity 3 months ago by rek

science-based flight megastructures light gas science-fiction vehicles
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Where to place an artificial oceanic island?

1 answer  ·  last activity 3 months ago by SilverCookies

geography megastructures gas ocean
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What percentage of stars would need to become Shkadov thrusters to move the whole galaxy?

1 answer  ·  last activity 3 months ago by RandySavage

space gravity megastructures gas galactic
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Meteorological consequences of walls reaching into the sky, enclosing a large area

1 answer  ·  last activity 4 months ago by Mark Gardner

weather reality-check science-based megastructures gas
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Roughly how long could an 'Oumuamua type object get?

2 answers  ·  last activity 4 months ago by Slarty

astronomy science-based gravity megastructures
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Are Orbital Rings feasible to construct in another star system?

2 answers  ·  last activity 6 months ago by user72655

science-based orbital-mechanics megastructures gas science-fiction dyson-ring
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How to allow a cylindrical habitat (O'Neill or McKendree) to radiate heat to space?

6 answers  ·  last activity 6 months ago by Abanob Ebrahim

space science-based space-constructs megastructures gas science-fiction engineering
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How massive can a structure get on the inside of a Mckendree cylinder?

1 answer  ·  last activity 7 months ago by Abanob Ebrahim

space science-based space-constructs megastructures gas science-fiction engineering
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Maximum Size Limit for a Wooden-and-Bamboo Neo-Ziggurat

3 answers  ·  last activity 7 months ago by JohnWDailey

science-based construction mathematics megastructures materials gas
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Could an enormous structure be used to attract rain by acting as an artificial mountain?

3 answers  ·  last activity 7 months ago by Stonecraft

climate weather physics terraforming megastructures gas climate-change geophysics
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How could a skyhook stay in orbit with no human involvement for thousands of years

4 answers  ·  last activity 8 months ago by John Lewis

space travel space-travel space-constructs megastructures gas automation
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How to mine a star?

3 answers  ·  last activity 10 months ago by Haem

stars megastructures gas
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Hurricane-force winds or gentle breezes in an O'Neill Cylinder?

3 answers  ·  last activity 10 months ago by David

space travel weather science-based space-travel space-constructs megastructures gas
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Is it possible to have multiple different climates within one O'Neill cylinder?

3 answers  ·  last activity 11 months ago by Backup Plan

space science-based space-constructs megastructures gas topography
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How large would a space station have to be to hold one million people indefinitely?

2 answers  ·  last activity 11 months ago by Alex

space travel spaceships space-travel colonization space-colonization megastructures ships gas near-future future
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Life on the Broken Ring - an issue of size

4 answers  ·  last activity about 1 year ago by Ash

space-constructs megastructures habitability
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Building a planet with a primordial black hole core

1 answer  ·  last activity over 1 year ago by Althaen

physics black-holes megastructures gas astrophysics
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What would the climate of a planetwide city be like?

5 answers  ·  last activity over 1 year ago by V. Red

climate megastructures gas city
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Prevailing winds on a rotating space habitat

4 answers  ·  last activity over 1 year ago by Mike Nichols

space atmosphere science-based space-constructs megastructures gas
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How would gravity affect a structure that completely encircled the earth

6 answers  ·  last activity over 1 year ago by crZyhamSter

science-based gravity dyson-spheres megastructures gas
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What to do with all the heat in a Dyson Sphere?

10 answers  ·  last activity over 1 year ago by dot_Sp0T

space dyson-spheres megastructures engineering
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Hot rods into space!

1 answer  ·  last activity over 1 year ago by Green

space geology temperature megastructures
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Creating a Matryoshka Shell World: Sectioning

1 answer  ·  last activity over 1 year ago by GuidingOlive

science-based macroengineering alternate-worlds megastructures gas engineering
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Creating a Matryoshka Shell world: temperature regulation

4 answers  ·  last activity almost 2 years ago by GuidingOlive

science-based physics alternate-worlds megastructures gas science-fiction
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How, and for how long, could a permanent storm be maintained on Earth by a stationary mega-structure?

1 answer  ·  last activity almost 2 years ago by Irving Washington

environment climate weather science-based megastructures gas
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A self-eclipsing orbital ring

1 answer  ·  last activity almost 2 years ago by Mike Nichols

stars space-constructs megastructures eclipses
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What does a solid, 1 mile diameter subterranean glass sphere look like?

6 answers  ·  last activity almost 2 years ago by Pink Sweetener

science-based megastructures light gas optics
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O'Neill/McKendree Looping River

7 answers  ·  last activity about 2 years ago by rek

science-based water megastructures gas engineering
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Would there be gravity on the plates of a Dyson swarm?

3 answers  ·  last activity about 2 years ago by Richard

orbital-mechanics dyson-spheres megastructures gas
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Has realistic climate modelling been done for inverted Dyson spheres or similar?

2 answers  ·  last activity about 2 years ago by nordmarj

climate dyson-spheres megastructures gas
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Artificial water planet and shell world combo

2 answers  ·  last activity over 2 years ago by Len

space reality-check macroengineering solar-system space-constructs megastructures gas engineering
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Environmental/meteorological effects of a superstructure

3 answers  ·  last activity over 2 years ago by Peaches

environment weather megastructures gas
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How much ice do I need at 0.79c to protect my megastructure

2 answers  ·  last activity over 2 years ago by ArtisticPhoenix

space travel generation-ships space-travel megastructures ships gas
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Are there any benefits to a large body of water in a space habitat?

9 answers  ·  last activity over 2 years ago by rek

space science-based space-constructs megastructures gas
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Would a planet-sized computer like a Jupiter Brain or a Matrioksha brain be more expensive to build than the Death Star?

5 answers  ·  last activity over 2 years ago by user73829

space reality-check economy space-constructs megastructures gas
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Can Cloud Nine be built?

10 answers  ·  last activity over 2 years ago by Samuel

megastructures
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How long would it take a civilization to see and understand a Dyson ring?

1 answer  ·  last activity over 2 years ago by SpaceMouse

astronomy science-based megastructures gas
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Can you protect a Space Elevator from Space Junk?

12 answers  ·  last activity over 2 years ago by Renzler

space travel reality-check space-travel colonization space-colonization megastructures gas
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Hiding a subterranean alien megastructure

10 answers  ·  last activity almost 3 years ago by Z.Schroeder

reality-check earth megastructures gas
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How do 21st century C.E. submersibles enter an underwater dome swiftly and safely?

6 answers  ·  last activity almost 3 years ago by user6760

water underwater megastructures gas
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Neutron star mining?

3 answers  ·  last activity almost 3 years ago by Logan R. Kearsley

space science-based space-constructs megastructures gas engineering
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White Dwarf mining?

3 answers  ·  last activity almost 3 years ago by Logan R. Kearsley

macroengineering space-constructs megastructures engineering
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Extremely huge dirigible/airplane hybrid feasibility

4 answers  ·  last activity almost 3 years ago by Brooks Nelson

environment reality-check science-based megastructures gas
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Stellar Compression in Dyson Sphere

2 answers  ·  last activity about 3 years ago by TheNewGuy

science-based stars macroengineering megastructures gas engineering
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Creating a viable/stable Alderson disk

1 answer  ·  last activity about 3 years ago by Amon

space space-constructs megastructures gas
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With minimal terraforming, what features/structures would need to be built to protect a 25mi radius city from wind?

3 answers  ·  last activity about 3 years ago by Reed

weather megastructures gas engineering
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Stable ringworld interactivity with other solar system objects

2 answers  ·  last activity over 3 years ago by Ross

planets physics solar-system megastructures gas
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