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r/IsaacArthur

26,947 subscribers

Notice: This subreddit is not actively monitored, so the posts here are only a small subset of what exists on reddit.

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Sci-Fi / Speculation Transhuman/Posthuman Hard Science Art & Memes Uploaded Mind/AI META moderator The Man Himself FTL Optimist Administration First Rule Of Warfare Megastructure Janitor Habitat Inhabitant Paperclip Enthusiast Quantum Cheeseburger Planet Loyalist Traveler Has a drink and a snack!
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to r/IsaacArthur by Soggy_Editor2982
3 months ago
Possible justification for realistic space combat setting where spaceships have bullet-resistant hulls by default because constant dodging is highly impractical if not impossible, while laser weapons aren't accurate enough to constantly hit a spaceship or are less lethal than kinetic weapons?
Sci-Fi / Speculation
to r/IsaacArthur by MiamisLastCapitalist
3 months ago
Preview thumbnail for Elysium Space Station by artist Greg McKechnie image
Elysium Space Station by artist Greg McKechnie
to r/IsaacArthur by Sir-Thugnificent
3 months ago
Is the manner in which the solar system is politically divided in general in sci-fi realistic in your opinion ?
Sci-Fi / Speculation
to r/IsaacArthur by Intelligent-Radio472
3 months ago
Economic of Banks Orbitals (and other oversized megastructures)
to r/IsaacArthur by Betrix5068
3 months ago
Are there possible biological designs for lungs which are both more efficient and resilient?
Sci-Fi / Speculation
to r/IsaacArthur by Fine_Ad_1918
3 months ago
In defense of missiles in Sci-fi
Hard Science
to r/IsaacArthur by Sir-Thugnificent
3 months ago
Isn’t the most probable future one where our solar system is more than enough to satisfy humanity for a very very long time ?
Hard Science
to r/IsaacArthur by SunderedValley
3 months ago
Preview thumbnail for I feel like this might belong here. image
I feel like this might belong here.
to r/IsaacArthur by South-Neat
3 months ago
Preview thumbnail for ATP - machine = fatloss image
ATP - machine = fatloss
Hard Science
to r/IsaacArthur by parduscat
3 months ago
Turning Earth into a Superhabitable World
Sci-Fi / Speculation
to r/IsaacArthur by ISB00
3 months ago
Nanotechnology effecting the biosphere
Sci-Fi / Speculation
to r/IsaacArthur by Suitable_Ad_6455
3 months ago
Rare Fossil Fuels Great Filter?
Sci-Fi / Speculation
to r/IsaacArthur by firedragon77777
3 months ago
Sci-fi fleet scales make no sense.
to r/IsaacArthur by FryCookCVE71
3 months ago
How big of a concern are air leaks in Space Habs?
to r/IsaacArthur by Soggy_Editor2982
3 months ago
Is it possible to make missile more effective in hard sci-fi space combat where every spaceship is armed with point-defense laser weapons, jammer, and decoys?
Sci-Fi / Speculation
to r/IsaacArthur by SunderedValley
3 months ago
Preview thumbnail for Killing every screwworm would be the best thing humanity ever did | Kevin Esvelt image
Killing every screwworm would be the best thing humanity ever did | Kevin Esvelt
to r/IsaacArthur by Junior-Whereas6584
3 months ago
Preview thumbnail for Can We Create New Elements Beyond the Periodic Table? - PBS Space Time image
Can We Create New Elements Beyond the Periodic Table? - PBS Space Time
Hard Science
to r/IsaacArthur by firedragon77777
3 months ago
Preview thumbnail for Friendly reminder: the T-Rex will have lived closer to the colonization of the galaxy than to the Stegosaurus image
Friendly reminder: the T-Rex will have lived closer to the colonization of the galaxy than to the Stegosaurus
to r/IsaacArthur by mistborn_feruchemist
3 months ago
If immortality is possible within our lifetimes , will poor PPL have access to it ?
to r/IsaacArthur by live-the-future
3 months ago
What thing(s) that others seem to take for granted about the future do you disagree with and/or think are very unlikely to happen?
to r/IsaacArthur by Adventurous-Fly-5402
3 months ago
If we ever build artificial wombs will we reconsider the length of time before a baby is born?
to r/IsaacArthur by Soggy_Editor2982
3 months ago
Are kinetic weapons useless in realistic ship-vs-ship space combat because they can either be easily dodged or intercepted by point defense?
Sci-Fi / Speculation
to r/IsaacArthur by DreamChaserSt
3 months ago
Going from Earth to the Moon with little propellant
to r/IsaacArthur by MiamisLastCapitalist
3 months ago
Preview thumbnail for New Mars study suggests an ocean’s worth of water may be hiding beneath the red dusty surface image
New Mars study suggests an ocean’s worth of water may be hiding beneath the red dusty surface
to r/IsaacArthur by Silvadel_Shaladin
3 months ago
Could "Too Much Water" be a fermi paradox filter? IE Thea destroyed a bunch of water off Earth so we ended up with "just enough" instead of too much making too thick an atmosphere or no land.
Sci-Fi / Speculation