Physics - Q&A

77%

+5 −0

Unusual way to write spacetime coordinates/metric: Is there any downside?

1 answer · last activity 4 months ago by dmckee‭

special-relativity

77%

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How does probability conservation work in Dirac's original formulation of relativistic QM?

1 answer · last activity 4 months ago by Derek Elkins‭

special-relativity quantum-mechanics hilbert-space dirac-equation normalization

77%

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How do constraints work in Lagrangian systems?

1 answer · last activity 3 months ago by Derek Elkins‭

classical-mechanics lagrangian-formalism constrained-dynamics differential-geometry

66%

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Why would a 1.74 index lens be more prone to chip and be less resilient than 1.67?

1 answer · last activity 3 months ago by Olin Lathrop‭

lenses

66%

+2 −0

Interaction terms in Srednicki's proof of spin-statistics theorem

1 answer · last activity 8 days ago by Mithrandir24601‭

quantum-field-theory spin-statistics

66%

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What is inflation in cosmology?

1 answer · last activity about 23 hours ago by celtschk‭

inflation cosmology

60%

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Applying Young-Laplace equation on meniscus formed due to rise of liquid on a single plate

0 answers · last activity 2 months ago by TripleFault‭

pressure young-laplace

55%

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Would we need Alternating Current if superconducting wires existed?

2 answers · last activity 3 months ago by celtschk‭

superconductor alternating-current

50%

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How can I turn a floor lamp, that lights upward, into a reading light? [closed]

0 answers · last activity 4 months ago by Mithrandir24601‭

light

50%

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Explain like I'm 5 – After glancing at a clock, why does the first second sometimes feel longer than the rest? [closed]

0 answers · last activity 3 months ago by Mithrandir24601‭

time

50%

+1 −1

Why should there not be water below 6kms in the Earths crust?

0 answers · last activity about 2 months ago by Conrado‭

pressure

50%

+1 −1

Does folding glasses increase the probability of separating at the hinge?

1 answer · last activity about 1 month ago by Olin Lathrop‭

lenses

50%

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Is it rational to freeze water bottles during colder nights, and place them in front of a fan during warmer days?

1 answer · last activity about 1 month ago by manassehkatz‭

classical-mechanics

40%

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How dangerous is mounting and firing a gun on another human's body part?

1 answer · last activity about 2 months ago by Olin Lathrop‭

classical-mechanics

40%

+0 −1

If planet 9 exists, is it correct to say that it is a "dark planet"?

1 answer · last activity 23 days ago by JohnDoea‭

our-solar-system planet-9

28%

+0 −3

For cleaning food and objects, power scrubber vs. Electric rotary toothbrush? [closed]

0 answers · last activity 2 months ago by Mithrandir24601‭

pressure

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