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Is electromotive force really a force?
May 19th, 2020
electromagnetism
history
terminology
soft-question
Is fission reaction considered natural or artificial?
July 15th, 2020
history
nuclear-physics
terminology
nuclear-engineering
Why there is no "Edison" unit in physics?
April 9th, 2020
electricity
si-units
units
history
soft-question
How did pre-Copernican astronomers accurately predict planetary position?
September 4th, 2020
celestial-mechanics
astronomy
orbital-motion
history
solar-system
Newton's first law: is his concept of (force of ) inertia still useful and used?
August 1st, 2022
definition
newtonian-mechanics
terminology
history
inertia
Was Nikola Tesla right about his ether theory?
September 9th, 2020
aether
electromagnetism
special-relativity
history
Is general relativity required from quantum mechanics?
August 1st, 2022
general-relativity
atomic-physics
history
thought-experiment
quantum-mechanics
How were noble gases discovered?
August 1st, 2022
inert-gases
history
elements
How did Heisenberg come up with matrix mechanics?
August 1st, 2022
history
quantum-mechanics
How exactly does applying the Equipartition Theorem to radiation leads to UV catastrophe?
August 1st, 2022
quantum-mechanics
history
thermal-radiation
electromagnetic-radiation
How did Fizeau make his famous speed-of-light experiment?
August 1st, 2022
home-experiment
experimental-physics
speed-of-light
history
How did Einstein derive general relativity?
August 1st, 2022
history
equivalence-principle
gravity
general-relativity
Why is the second the SI base unit for time?
August 1st, 2022
history
si-units
metrology
time
History of the names "Feynman-gauge" & "Landau-gauge". How arised & how settled?
August 1st, 2022
history
gauge-theory
terminology
gauge
quantum-field-theory
Do we have a deeper understanding of Fermat's Principle?
August 11th, 2020
optics
history
variational-principle
Historic derivation of Wien's law
May 11th, 2020
thermodynamics
thermal-radiation
history
How was Reynolds number derived?
August 1st, 2022
fluid-dynamics
history
Dirac's remark that inspired Feynman when formulating path integral
August 1st, 2022
action
quantum-mechanics
history
path-integral
Was uncertainty principle inferred by Fourier analysis?
August 1st, 2022
heisenberg-uncertainty-principle
wavefunction
quantum-mechanics
fourier-transform
history
Why did Einstein introduce expansion in his equation and later on it was patched?
February 19th, 2020
general-relativity
space-expansion
history
cosmological-constant
Why does math work for describing and solving physics problems?
July 13th, 2020
soft-question
history
mathematics
epistemology
Is there a good Modern English translation of Newton's "Philosophiæ Naturalis Principia Mathematica" available for free viewing or download?
November 5th, 2020
specific-reference
soft-question
newtonian-mechanics
history
Why did Michelson believe the aether was moving?
September 6th, 2020
special-relativity
aether
experimental-physics
speed-of-light
history
Why is thermodynamics beyond doubt?
May 11th, 2021
statistical-mechanics
thermodynamics
soft-question
history
How did Planck derive his formula $E=hf$?
December 31st, 2020
quantum-mechanics
energy
history
thermal-radiation
blackbody
First quantization vs second quantization
August 17th, 2020
terminology
quantum-field-theory
quantization
second-quantization
history
How did physicists know that only negative charges move?
August 1st, 2022
induction
history
charge
electricity
electrostatics
Who developed the phase space path integral?
March 28th, 2020
path-integral
history
hamiltonian-formalism
Was Einstein's version of differential geometry close to the modern version?
October 28th, 2021
history
coordinate-systems
differential-geometry
general-relativity
Gabriele Veneziano, strong nuclear force and beta-function
August 1st, 2022
string-theory
mathematical-physics
history
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