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Scales
New post in Scales
If the electron is point like, then what is the significance of the classical radius of the electron?
January 16th, 2020
quantum-electrodynamics
scales
particle-physics
standard-model
Relationship between hierarchy problem and higgs fine tuning?
November 7th, 2020
standard-model
fine-tuning
scales
higgs
supersymmetry
Planck mass is about the mass of one eyebrow hair
August 1st, 2022
mass
scales
order-of-magnitude
physical-constants
What is the hierarchy problem?
August 1st, 2022
scales
standard-model
quantum-field-theory
supersymmetry
fine-tuning
Why is the string length around the Planck length?
March 23rd, 2022
string-theory
physical-constants
order-of-magnitude
scales
dimensional-analysis
How does such strange microscopic behavior at the atomic level (quantum mechanics) lead to the macroscopic behavior at our level?
June 15th, 2020
classical-mechanics
quantum-mechanics
statistical-mechanics
coherence
scales
What does the Reynolds Number of a flow represent physically?
April 26th, 2020
turbulence
fluid-dynamics
dimensional-analysis
scales
flow
Which way does the scale tip?
May 20th, 2020
scales
buoyancy
mass
Are all machines linearly scalable?
October 7th, 2020
scales
newtonian-mechanics
Did human hairs actually evolve from scales?
August 1st, 2022
human-anatomy
hair
scales
evolution
How come large herbivores have such thin legs?
October 13th, 2020
scales
anatomy
Are fish and reptilian scales homologous?
August 1st, 2022
scales
evolution
zoology
development
reptile
What did pangolin scales evolve from?
December 23rd, 2020
evolution
zoology
scales
Do the majority of fish lack scales on their heads?
March 31st, 2020
anatomy
zoology
scales
ichthyology
Proof of X-LFP/UFP-LFP=constant for all scales of temperature
August 1st, 2022
scales
temperature
thermodynamics
Critical density as a function of scale factor
February 19th, 2020
density
scales
cosmology
How do we end up with a gravity-dominant macroscopic universe from a quantum world having weakest gravity?
October 4th, 2020
forces
scales
quantum-gravity
gravity
Why does a scale measure the normal force and not the weight of an object?
June 4th, 2020
scales
newtonian-mechanics
Why does the scale reading depend on the position of the object on the scale and how to equalize that?
August 1st, 2022
mass
measurements
weight
newtonian-gravity
scales
How can a beam balance measure mass?
August 25th, 2020
weight
scales
mass
measurements
metrology
Explanation of energy levels in molecules, atoms, nuclei and their relationship
August 1st, 2022
atomic-physics
energy
nuclear-physics
order-of-magnitude
scales
Why are high energies equivalent to short distances?
October 19th, 2020
particle-physics
scales
What is a "scale length", and how do I calculate it for galaxies?
August 1st, 2022
estimation
astrophysics
galaxies
order-of-magnitude
scales
If there were no space between nuclei, how big would the Earth be?
August 1st, 2022
scales
earth
estimation
neutron-stars
Why do we have a TeV scale?
August 1st, 2022
particle-physics
quantum-field-theory
beyond-the-standard-model
scales
standard-model
Why are continuum fluid mechanics accurate when constituents are discrete objects of finite size?
August 1st, 2022
models
fluid-dynamics
continuum-mechanics
approximations
scales
Maximum reading after dropping a mass onto a scale
September 8th, 2020
energy-conservation
scales
spring
homework-and-exercises
Why is the apparent weight smaller when you crouch down on a scale?
September 23rd, 2020
scales
weight
newtonian-mechanics
mass
What is the logic behind the Fahrenheit scale?
August 1st, 2022
temperature
history
scales
Is there scale by size of all discovered particles?
July 26th, 2022
scales
elementary-particles
order-of-magnitude