Heisenberg's uncertainty principle - Planck's (reduced) constant divided by $2$ or not?
22748
Factor 2 in Heisenberg Uncertainty Principle: Which formula is correct?
6848
The strange thing about the maximum in Planck's law
77654
Is the uncertainty principle axiomatic or derived?
124048
Is the Planck length the smallest length that exists in the universe or is it the smallest length that can be observed?
77731
'size' of a photon
38720
Is it possible to speak about changes in a physical constant which is not dimensionless?
33694
What is the real interpretation of Planck's constant and what are its origins?
14778
Derivation of uncertainty propagation?
82418
Why not drop $\hbar\omega/2$ from the quantum harmonic oscillator energy?
107865
Uncertainty Principle Intuition
51208
Is the wave function of a particle re-created after a measurement stops?
112625
Reduced mass in quantum physics (Hydrogen Atom)
136678
$\hbar \rightarrow 0$ in quantum mechanics
4095
How do we know that there isn't a classical solution to the measurement problem/Quantum Mechanical uncertainty?
64284
Heisenberg uncertainty principle: a proof for a beginner
127355
Where is radiation density in the Planck 2013 results?
65731
Uncertainty principle for a sitting person