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Apr
25
revised What does $(\delta\vec{r}\cdot\nabla)^2$ mean in the derivation of the Lamb shift, and how do you find its expectation?
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Apr
22
revised How is the dot product a generalization of multiplication?
remove extra question and improve formatting
Apr
22
revised Why don't people use Hamilton's equations for a relativistic free charged particle?
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Apr
22
revised Why does the Stefan-Boltzmann law work for power absorbed?
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Apr
21
revised Why can we set the coefficient $c_- = 0$ in the solution of the quantum particle on a ring?
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Apr
21
revised Does curving only the inner surface of a diving mask prevent blurred images?
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Apr
19
revised What do operations on single Qubits of Unfactorable Superpositions Do?
fix tensor product math
Apr
15
revised Could an ion cannon be in fact a proton beam?
improve title and tags and remove unnecessary parts of question
Apr
15
revised What role does the center of mass play in this situation? (electric potential)
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Apr
14
revised If matter and antimatter repel, how do we know other galaxies aren't made of antimatter?
reorder for clarity and trim some stuff; also edit title
Apr
13
revised How does the Dirac delta function operate when its peak is at the boundary of an integral?
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Apr
13
revised How can current remain same when potential difference decreases?
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Apr
12
revised Why doesn't this flow rate formula work in SI units?
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Apr
12
revised Does inelastic collision say the ball bounces back to you when thrown at an angle on ground?
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Apr
11
revised Three dimensional isotropic harmonic oscilator Hamiltonian
remove fluff
Apr
9
revised Why would renormalization be necessary without divergent integrals?
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Apr
9
revised Why do heavier objects fall faster on hills but not in straight drops?
fix title
Apr
7
revised Finding fixed points of an equation when the derivative is not defined
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Apr
7
revised Why doesn't the expectation of position for a plane wave obey kinematics?
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Apr
6
revised Does it make sense to add overlapping probabilities > 1?
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