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5h
comment Do physical entities with one dimension equal to 0 exist?
The update (v5) seems related to physics.stackexchange.com/q/41676/2451 and links therein.
5h
comment Geometric interpretation of zero metric
Comment to the post (v1): Note that the metric tensor on a (pseudo)Riemannian manifold is by definition non-degenerate, and cannot vanish.
5h
revised Geometric interpretation of zero metric
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6h
comment Black Hole Collision
Note that a massive object technically speaking doesn't have a speed-maximum, it has a speed-supremum, a.k.a. $c$.
6h
revised Black Hole Collision
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6h
revised Expectation Value of Unitary Time Evolution Operator in Quantum Mechanics
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6h
comment Bosonic and fermionic partitions
This question (v1) has been flagged by an anonymous user as being "a current contest problem for an ongoing French undergraduate physics competition, near verbatim after translation into English." If anyone has information of this please share it here.
7h
revised Use Cartan subalgebra in spinor representation to find weights of vector representation
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7h
revised Voltage of a battery in a circuit with an infinite resistance
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8h
revised Tornado Vortex Low-pressure Force
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8h
revised Looping fractal paradox
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10h
revised Can I *always* decompose a normalizable function into the discrete Hydrogen spectrum?
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11h
revised Generators of cubic group: Euler angles
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11h
reviewed Close How far do we need to be removed from the earth to show the curvature with a viewing angle between 42 and 48 degrees?
11h
revised Determining focal length and positions of principal planes
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12h
revised The impatient hot tub owner
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12h
reviewed Leave Closed relation between permittivity and IMPEDANCE?
13h
revised Difference in Raman, Rayleigh, and Compton scattering
added 152 characters in body; edited title
13h
revised Where Potential increase gets it's energy from?
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13h
revised Canonical Transformation
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