New post in Spacetime-dimensions

How can time be a dimension when it is relative?

July 23rd, 2022

Regarding possibility of infinitely many spatial dimensions

November 12th, 2020

How do we know we live in 3 dimensions?

September 22nd, 2020

Is time fundamentally different from space?

August 1st, 2022

Zero dimensional field theory

February 18th, 2021

Why does the universe exhibit three large-scale spatial dimensions?

December 1st, 2020

How can one imagine curled up dimensions?

April 28th, 2020

Number of supersymmetric charge and the meaning of $\cal N$

August 1st, 2022

Gravity in 2d space and inverse linear law

August 1st, 2022

Einstein Field Equations in other space-time dimensions than 3+1?

May 23rd, 2020

How to prove that we are living in a 3+1D world?

August 4th, 2020

Electric field and electric potential of a point charge in 2D and 1D

June 21st, 2020

Is there any intuitive interpretation of compactification?

July 3rd, 2020

Is the space in which we live fundamentally 3D or is this just how we perceive it?

August 10th, 2022

Does the CPT theorem hold for all spacetime dimensions?

June 27th, 2020

Why does the dimension of the electric charge depend on the number of spacetime dimensions?

August 18th, 2020

Mathematically rather than physically speaking, is there something "special" about 10 (or 11) dimensions?

March 10th, 2020

Does space curvature automatically imply extra dimensions?

April 3rd, 2021

Gravitational constant in higher dimensions?

August 1st, 2022

Can dimension analysis be used in developing more advanced physics equations?

August 1st, 2022

Why do chiral objects only come in pairs?

October 20th, 2020

Why doesn't the number of space dimensions equal the number of time dimensions?

December 29th, 2020

How is graphene a 2D substance?

January 13th, 2020

Why are the generators of rotation in the 4-dimensional Euclidean space correspond to rotations in a plane?

December 31st, 2020

A sketch of various combinations of numbers of space and time dimensions

April 28th, 2020

Maxwell's equations of Electromagnetism in 2+1 spacetime dimensions

August 11th, 2022

Why (in relatively non-technical terms) are Calabi-Yau manifolds favored for compactified dimensions in string theory?

October 19th, 2020

How can we be so sure the universe has 3 dimensions?

March 17th, 2020

How does the LHC explore extra dimensions?

July 30th, 2020

Critical Dimension of Bosonic Strings and Regularization of $\sum_{n=1}^\infty n$

June 19th, 2020