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Physical-constants
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Value of weak force coupling constant
August 1st, 2022
physical-constants
weak-interaction
electromagnetism
quantum-electrodynamics
What things are smaller than the Planck length?
January 24th, 2020
spacetime
physical-constants
How can gravity truly be infinite?
August 1st, 2022
newtonian-gravity
physical-constants
gravity
Units in gravitational constant
July 6th, 2021
si-units
dimensional-analysis
newtonian-gravity
physical-constants
How can we minimize the coefficient of static/kinetic friction?
November 4th, 2020
physical-constants
friction
What is the real interpretation of Planck's constant and what are its origins?
August 1st, 2022
physical-constants
photons
units
blackbody
quantum-mechanics
What is the difference between a physical constant, a scalar, an invariant, and a conserved quantity?
August 1st, 2022
invariants
physical-constants
tensor-calculus
conservation-laws
What's so special about the speed of light?
August 1st, 2022
special-relativity
physical-constants
speed-of-light
visible-light
Dimensional or dimensionless constant
August 1st, 2022
physical-constants
dimensional-analysis
What if physical constants were increased or decreased?
August 1st, 2022
physical-constants
How accurate are constants in cgs units?
August 15th, 2020
unit-conversion
physical-constants
units
Strongest force in nature
August 1st, 2022
black-holes
interactions
forces
gravity
physical-constants
What is the significance of Planck force?
November 1st, 2020
general-relativity
forces
cosmology
units
physical-constants
What is the most natural definition of the weak hypercharge coupling constant if grand unification is wrong?
May 1st, 2020
beyond-the-standard-model
grand-unification
physical-constants
standard-model
Uncertainty of permittivity of vacuum
November 19th, 2020
si-units
metrology
electromagnetism
special-relativity
physical-constants
What happens as you approach/cross the Planck temperature?
August 1st, 2022
absolute-units
quantum-gravity
temperature
physical-constants
thermodynamics
What is the opposite of the Planck length?
August 1st, 2022
universe
cosmology
physical-constants
units
absolute-units
Why Do We Say That the Electric Forces Are Stronger Than the Gravitational Forces?
August 1st, 2022
physical-constants
electric-fields
forces
gravity
Can the gravitational constant $G$ be calculated theoretically?
May 23rd, 2020
newtonian-gravity
gravity
physical-constants
Why didn't we replace our SI units with a better system?
May 15th, 2020
history
units
physical-constants
si-units
absolute-units
What is the value of the fine structure constant at Planck energy?
October 31st, 2021
quantum-electrodynamics
physical-constants
renormalization
quantum-field-theory
Have I discovered how to calculate the proton's mass using only integers?
September 19th, 2020
particle-physics
mass
physical-constants
How can I explain the scientific basis of the constant speed of light to a $c$-decay proponent?
August 4th, 2020
physical-constants
speed-of-light
Did Newton estimate the gravitational constant $G$?
April 12th, 2020
newtonian-gravity
physical-constants
history
experimental-physics
What is the point of the reduced Planck's constant $\hbar$ (h-bar)? - Why don't we just have Planck's Constant $h$?
March 14th, 2020
physical-constants
conventions
angular-momentum
quantum-mechanics
Give an interpretation of what $c=\frac{1}{\sqrt{\varepsilon_0\mu_0}}$ actually means
November 6th, 2021
physical-constants
electromagnetism
speed-of-light
units
Is the gravitational constant $G$ a fundamental universal constant?
August 16th, 2020
physical-constants
gravity
Is $4 \pi G$ the true most fundamental gravitational constant?
August 1st, 2022
gravity
newtonian-gravity
physical-constants
What would happen if the light-speed in vacuum was higher?
August 1st, 2022
physical-constants
speed-of-light
special-relativity
Why do scientists think that all the laws of physics that apply in our galaxy apply in other galaxies?
August 1st, 2022
cosmology
spacetime
universe
physical-constants
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