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How to prevent theft in a society where everyone has hyperspace storage?

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The Square-Cube Law
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What makes small-scale private star-harvesting profitable?

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Philipp
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Can we hit the spaceship

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causative
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How would the government cover up a nuclear war? [closed]

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Bob Jarvis - Слава Україні
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Would it be possible to make a brass/wind instrument with a jet engine as the source of airflow?

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David Rouse
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Is a world laser possible?

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How could a Renaissance level feudal society get into space?

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jaboja
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How might a science-fiction world's technology advance faster than our own? [closed]

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Aequitas
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Defensive Middle Ages measures against magic-controlled "smart" arrows

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datacube
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6 answers
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How long would it take humans to notice a civilization on Venus?

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The Square-Cube Law
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11 answers
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What is the best term for a species that originated on another planet?

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John
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Why are scout bots only used for reconnaissance?

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Ruadhan
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What would a mountain and desert made out of diamond, glass, or a see-through fantasy material look like?

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fraxinus
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Can a device that causes memory loss be created with near-modern technology?

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Englishman Bob
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Is There a Lower Limit on the Size of Fusion Reactor?

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Pica
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Can a spaceship "hitchhike" on an explosion to escape a gravity well?

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Peter - Reinstate Monica
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Realistic protection for spaceships against kinetic projectiles

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Russell McMahon
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Could genetically engineered mint take over the planet?

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Atticus Beachy
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Could Megaflora Sustain Permanent Settlements?

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JBH
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Possibility of anachronistic fossils due to time travel

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N. Virgo
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Feline rider's position: reclining, seated or Prone?

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spectraesk
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5 answers
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How heavy does a "city" for two thousand people need to be?

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Alex I
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6 answers
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What types of materials would be generated by a lava monster that has been cooled down rapidly?

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Josh King
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What would a medical condition that makes people believe they are a machine be called? [closed]

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MichaelK
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Super-powered being flying over national airspace

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Sarah Messer
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10 answers
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Avoiding time travel or causality stuff

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Pica
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What considerations would have to be made for a spacecraft with minimal-to-no digital computers on board?

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eigenvalue
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What would the effects of a space based laser weapon system capable of tracking and destroying any projectile posing a threat to human life?

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Tangurena
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The science behind an invisible wall of pain

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Greg Martin
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How much steel could be recovered from cities a few hundred years after a nuclear apocalypse? [duplicate]

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Andy
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7 answers
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Combat between flying power armor: how would it work

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Corey
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What range of altitudes would not be fatal for an astronaut falling from height on the moon?

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Yakk
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6 votes
3 answers
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Thermal Superconductors vs Pulse Lasers

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Hafeez Rajput
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8 votes
4 answers
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How to recreate a "land" harp that can work in the deep sea?

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Charles Staats
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3 answers
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What is the size of the largest possible flying animal? Realistically speaking?

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Kilisi
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Reality Check: Meteor Shower buried supermetal in the earth's crust, that is now being mined out

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Christmas Snow
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Iron drive: does this fusion superengine require clarketech? [closed]

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Starfish Prime
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2 answers
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A man wants to create a bomb shelter in a small cave on his land, but there's no visible water source, except a dripping wall. What to do?

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Kilisi
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6 answers
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How might heat management in a large hab dome work?

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Brian Heward
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How much clothing could one cut through with a chainsaw before it stalled, the chain broke, or some other disastrous thing happened? [closed]

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Rhymehouse
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986 views

How would a scaled-up ballista designed to launch 50-foot spears function?

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the_Demongod
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5 answers
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Bullet resistant space armor material

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Kitalda
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3 answers
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If the entire ocean on Earth were poured into Mars instantly, how long would it last?

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g s
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Assuming other variables are good, could earth plants survive the light intensity on the surface of Mercury?

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Michael Ley
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5 answers
946 views

Did I just discover that the ether that my etheric keels interact with is four-dimensional?

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AlexP
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4 answers
826 views

What causes my expedition RTG to produce way less power when deployed in a magic realm

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Starfish Prime
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5 answers
475 views

How do serpentine aliens move their eggs to reach tall trees?

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AndyD273
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6 answers
976 views

Are Liquid Brains Possible or Viable?

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Ioannis Paizis
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