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Spacetime
New post in Spacetime
Is a nuclear bomb in some sense a bullet travelling at the speed of light, but along time rather than along space?
August 1st, 2022
nuclear-physics
special-relativity
spacetime
Space time diagrams and world lines
November 2nd, 2020
spacetime
special-relativity
causality
How does "space" expand?
March 31st, 2020
cosmology
universe
spacetime
space-expansion
Gravitational Waves could be just vibrations in space and not spacetime fabric
August 1st, 2022
vibrations
gravitational-waves
spacetime
waves
Time dilation: linear or exponential or other?
October 30th, 2020
speed-of-light
spacetime
special-relativity
time-dilation
time
What are the evidences of the big bang theory?
October 28th, 2020
universe
spacetime
big-bang
cosmology
Can light exist without spacetime?
August 18th, 2020
visible-light
spacetime
Space as "flat" plane
August 1st, 2021
curvature
general-relativity
gravity
spacetime
Lowering index on Christoffel symbol
August 1st, 2022
general-relativity
tensor-calculus
spacetime
What does a point in space mean? What we humans think a point in space is in scientific term? (a broader picture)
August 1st, 2022
spacetime
space-expansion
space
Can we have a static point in the universe?
August 1st, 2022
space-expansion
cosmology
big-bang
spacetime
universe
How can time dilation be symmetrical?
August 1st, 2022
time-dilation
spacetime
special-relativity
Straight lines and longest distance
August 1st, 2022
general-relativity
spacetime
geodesics
metric-tensor
Why does time slow down the closer you are to a mass?
July 10th, 2020
spacetime
general-relativity
gravity
relativity
Is the universe 5 dimensional space-time or 4?
August 1st, 2022
universe
spacetime-dimensions
general-relativity
differential-geometry
spacetime
Could time be considered a force?
August 8th, 2020
time
spacetime
forces
Is time unidirectional because of 4th spatial dimension?
August 1st, 2022
time
spacetime
cosmology
general-relativity
2D space-time curvature
January 8th, 2020
general-relativity
gravity
spacetime
curvature
What is anti-time?
December 9th, 2020
spacetime
Is it plausible for spacetime to be shaped something like a torus?
August 1st, 2022
topology
cosmological-inflation
general-relativity
cosmology
spacetime
Speed as the fifth dimension
August 1st, 2022
spacetime
spacetime-dimensions
speed
Which tensor describes curvature in 4D spacetime?
August 1st, 2022
curvature
metric-tensor
general-relativity
spacetime
differential-geometry
What slows down time relative to an observer: super gravity or super speed?
July 11th, 2020
black-holes
time-travel
speed-of-light
spacetime
Why does time speed up when away from gravitational masses?
August 1st, 2022
spacetime
reference-frames
time
general-relativity
gravity
Why mass & energy bend spacetime?
August 1st, 2022
general-relativity
gravity
spacetime
curvature
mass-energy
Cauchy horizon and chronology horizon
August 1st, 2022
causality
general-relativity
spacetime
terminology
definition
Gravity vs. Velocity time-dilation
August 1st, 2022
spacetime
special-relativity
time-dilation
time
gravity
What did the big bang "look like"?
January 13th, 2020
big-bang
space-expansion
universe
spacetime
cosmology
Time contraction
August 1st, 2020
special-relativity
time
spacetime
Time coordinate inside black hole horizon
January 8th, 2020
spacetime
metric-tensor
general-relativity
black-holes
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