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Posts tagged physics

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919 posts
Tag Only Tag + Children
77%
+5 −0
How efficient can a Dyson sphere be?

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

physics dyson-spheres megastructures energy materials
81%
+7 −0
Is it possible to create a beam of non-relativistic neutrinos?

1 answer  ·  last activity about 2 months ago by dmckee

physics technology relativity particle-physics
66%
+2 −0
How fast would strange matter conversion go?

1 answer  ·  last activity about 2 months ago by HDE 226868

science-based physics quantum astrophysics
66%
+2 −0
Can pion production effectively shorten the lifetime of neutrons?

0 answers  ·  last activity about 2 months ago by HDE 226868

physics particle-physics
60%
+1 −0
How could a bad random number generator explain baryon asymmetry?

3 answers  ·  last activity 2 months ago by HDE 226868

science-based physics antimatter computers
66%
+2 −0
What would a hard boundary mean in physics on the quantum-mechanical level?

1 answer  ·  last activity 2 months ago by HDE 226868

physics universe quantum
66%
+2 −0
What if the Planck constant was exactly zero?

3 answers  ·  last activity 2 months ago by HDE 226868

physics quantum
66%
+2 −0
Could there be something like the Higgs field which gives particles their energy in a similar way to how the Higgs boson gives particles their mass?

1 answer  ·  last activity 2 months ago by HDE 226868

science-based physics energy science-fiction quantum
50%
+0 −0
Which of these changes to physics will have the least effect on Earth's biology?

2 answers  ·  last activity 2 months ago by HDE 226868

biology physics
66%
+2 −0
How long would a planet that losses its gravity take to break up?

1 answer  ·  last activity 2 months ago by HDE 226868

physics gravity science-fiction
50%
+0 −0
How can I expand the definition and some specifics of pyrokinesis?

6 answers  ·  last activity 3 months ago by quarterEpsilon

physics temperature super-powers fire
50%
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To carry a person in its palm (like King Kong) how much pressure and at what speed would a kaiju need to apply?

2 answers  ·  last activity 3 months ago by Luke Duffy

biology physics gravity kaiju
50%
+0 −0
Could a galaxy of Nicoll-Dyson beams hit a single target?

2 answers  ·  last activity 3 months ago by RandySavage

physics megastructures gas galactic
50%
+0 −0
An alternative way to rotate or in this case rolltate

5 answers  ·  last activity 3 months ago by Nanoshadow

climate astronomy physics solar-system alternate-reality
50%
+0 −0
Scources for metastable Metallic Hydrogen

2 answers  ·  last activity 3 months ago by Seraphim

physics materials knowledge
50%
+0 −0
A clothing material or other method to slow free-fall descent down walls

23 answers  ·  last activity 3 months ago by Delirium

reality-check physics technology materials science-fiction
50%
+0 −0
Superfluid lifeform

1 answer  ·  last activity 3 months ago by Nierninwa

biology reality-check physics astrophysics
50%
+0 −0
Adopting a new calendar for a multi-generational space journey [Generations Novel]

3 answers  ·  last activity 3 months ago by Noam Josephides

physics science-fiction
50%
+0 −0
Spacewalking in 0.3c - is it feasible? [Generations novel]

6 answers  ·  last activity 3 months ago by Noam Josephides

biology physics
50%
+0 −0
A Seafloor of Ice and Rock: Ice VI / Water Boundary

1 answer  ·  last activity 3 months ago by TheDyingOfLight

water physics underwater ocean
50%
+0 −0
How deep can the oceans be while still alowing some land?

1 answer  ·  last activity 3 months ago by TheDyingOfLight

physics geology ocean astrophysics
50%
+0 −0
Intermediate Structures Along a Space Elevator

3 answers  ·  last activity 4 months ago by Rusty

science-based physics space-elevators
50%
+0 −0
What is the tallest mountain possible in any gravitational environment?

2 answers  ·  last activity 4 months ago by Slarty

planets science-based physics gravity alternate-worlds
50%
+0 −0
How small and fast can a bullet go in atmosphere?

2 answers  ·  last activity 4 months ago by Seraphim

physics kinetic-weapons
50%
+0 −0
(Semi) Believable way to quickly submerge a large landmass

3 answers  ·  last activity 4 months ago by Blue Devil

geography physics geology tectonics geophysics
50%
+0 −0
Question about Kessler syndrome

4 answers  ·  last activity 4 months ago by Dashane Du Plessis

space science-based physics space-debris kessler-syndrome
50%
+0 −0
Could co-orbital planets also be double planets?

2 answers  ·  last activity 4 months ago by Axion

space science-based physics orbital-mechanics astrophysics
50%
+0 −0
Stability in Lowering a Space Elevator

1 answer  ·  last activity 5 months ago by Rusty

space reality-check science-based physics space-elevators
50%
+0 −0
Is it theoreticaly possible to phase shift between alternate universe and/or realities?

3 answers  ·  last activity 5 months ago by Hewholooksskyward

space science-based physics technology science-fiction
50%
+0 −0
How could an iceberg be created quickly?

2 answers  ·  last activity 5 months ago by George Brewington

science-based physics technology chemistry
50%
+0 −0
How big does a pelican type creature need to be to carry a grown up human inside its mouth and still fly?

1 answer  ·  last activity 5 months ago by Li Jun

biology reality-check physics creature-design xenobiology
50%
+0 −0
How could an ability to project fire from your body occur plausibly?

1 answer  ·  last activity 5 months ago by DEMI

biology physics super-powers mutation
50%
+0 −0
Control of atmospheric conditions

1 answer  ·  last activity 5 months ago by Lelu

climate physics
50%
+0 −0
What might be an effective mode of transportation for Giants?

2 answers  ·  last activity 5 months ago by icewar1908

physics races fantasy-races vehicles
50%
+0 −0
In what conditions could whales fly?

6 answers  ·  last activity 5 months ago by System

biology science-based physics science-fiction
50%
+0 −0
Semi-FTL quantum communications

3 answers  ·  last activity 5 months ago by Demigan

reality-check physics communication quantum
50%
+0 −0
How massive would a planet need to be to sustain negligible damage from impact with the Earth?

6 answers  ·  last activity 5 months ago by Wax

planets science-based physics astrophysics
50%
+0 −0
Relativity, Time Dilation and multiple reference frames

3 answers  ·  last activity 5 months ago by Budders

space travel science-based physics space-travel relativity science-fiction
50%
+0 −0
What is the science behind a wave that changes the laws of physics?

2 answers  ·  last activity 5 months ago by Nierninwa

science-based physics
50%
+0 −0
Could a hypothetically big enough planet, with an earth-like atmosphere, be big enough so that you cannot see its curvature from above?

2 answers  ·  last activity 6 months ago by D3lf

earth-like physics earth astrophysics
50%
+0 −0
Feasibility of floating city-sized forests

3 answers  ·  last activity 6 months ago by user199429

biology reality-check science-based physics
50%
+0 −0
What biological trait could make (certain members of) an insectoid species good at astronomy?

12 answers  ·  last activity 6 months ago by Iroh

biology astronomy physics science-fiction xenobiology astrophysics
60%
+1 −0
What would happen to a gas giant during a supernova?

2 answers  ·  last activity 6 months ago by Geroditus

astronomy planets science-based physics supernova
50%
+0 −0
Schwarzschild Metric in a universe with the same space time metric as that described in the orthogonal series, but with massive gravitons?

1 answer  ·  last activity 6 months ago by Anders Gustafson

space physics gravity time black-holes spacetime-dimensions alternate-reality dimensions
50%
+0 −0
Can multiple space habitats be joined by tubes?

1 answer  ·  last activity 6 months ago by RandySavage

space physics space-constructs engineering
50%
+0 −0
Would "land assist" technology be possible in real life?

3 answers  ·  last activity 6 months ago by Raleigh

reality-check science-based physics engineering
50%
+0 −0
How long to become a habitable planet

0 answers  ·  last activity 6 months ago by user72655

physics orbital-mechanics solar-system habitability astrophysics
50%
+0 −0
How would a bird's flight change entering the zero gravity axis of an O'neil cylinder?

1 answer  ·  last activity 6 months ago by RandySavage

physics gravity flight light microgravity
50%
+0 −0
Could a more convenient form of energy transfer/storage than electricity be possible?

3 answers  ·  last activity 6 months ago by A Lambent Eye

science-based physics energy far-future future
50%
+0 −0
Is it possible to ice skate on an ice moon/world?

3 answers  ·  last activity 6 months ago by Sean Kindle

science-based moons physics gravity ice
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