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What kind of catastrophic phenomena could cause a solar system to be wiped out with little to no warning?

science-based reality-check space solar-system cataclysms

modified 58 mins ago Nosajimiki 41.3k

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How realistic is my idea of dividing the brain into several separate models?

reality-check hard-science brain

modified 3 hours ago Trioxidane 11.3k

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How viable is my model of gapless neurons?

science-based reality-check brain

answered 4 hours ago Trioxidane 11.3k

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Black Hole Weapons - Laser/Particle Beam?

reality-check weapons hard-science spaceships

answered 10 hours ago kouwei32 109

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Bridge universe, is it possible naturally?

reality-check physics quantum

answered 10 hours ago kouwei32 109

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Firework-based ranged weapons?

reality-check technology weapons

modified 12 hours ago Eric Weatherby 1

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Domestic uses for a solar death ray

reality-check technology geopolitics

answered 14 hours ago Eric Weatherby 1

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Realistic way to damage bullet proof glass using common substances

reality-check chemistry

answered 14 hours ago Clarskon 223

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Would this setting be realistic or feasible for this race?

science-based reality-check xenobiology

answered yesterday Willk 215k

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Is This Living Planet Plausible?

reality-check biology planets science-fiction life

modified 2 days ago TysonDennis 1,818

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What are the requirements for an atmosphere retaining moon with a stable orbit around an Earth-like planet with non-destructive tidal forces?

reality-check planets gravity moons atmosphere

answered 2 days ago TysonDennis 1,818

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Scenario for creating a world akin to cyberpunk

reality-check economy government politics

answered 2 days ago Adam Reynolds 3,758

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Why wouldn't magically gifted individuals be forcibly conscripted?

reality-check magic warfare

modified Apr 13 at 0:53 Mary 11.5k

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Evolution of ossicones like structures to tentacle or trunk like limbs

science-based reality-check biology evolution anatomy

modified Apr 12 at 18:40 Drakio-X 1,289

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