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visits member for 2 years, 10 months
seen 9 hours ago

10h
asked “Voyager: Lightning on Jupiter”: what's a sound source for this?
Oct
20
revised How to show that the force and velocity are perpendicular and that both have constant magnitude?
improved math typesetting
Oct
20
suggested suggested edit on How to show that the force and velocity are perpendicular and that both have constant magnitude?
Oct
20
revised What does it mean by $t=-1$?
better formatting math
Oct
20
suggested suggested edit on What does it mean by $t=-1$?
Oct
20
suggested suggested edit on Which moves faster in a time $t$: $A$ or $B$?
Oct
7
suggested suggested edit on 2 spheres both negative or positive
Oct
7
suggested suggested edit on 2 spheres both negative or positive
Oct
1
revised Simple harmonic oscillator, calculate the trajectory in real space
improved math
Oct
1
suggested suggested edit on Simple harmonic oscillator, calculate the trajectory in real space
Sep
30
awarded  Explainer
Sep
6
revised Does there exist a mathematically rigorous formulation of curved Hilbert Space?
added better brackets
Sep
6
suggested suggested edit on Does there exist a mathematically rigorous formulation of curved Hilbert Space?
Aug
25
revised Why glass is transparent?
improved formatting
Aug
25
suggested suggested edit on Why glass is transparent?
Aug
24
revised Dashed lines in Feynman diagram
added image\
Aug
24
suggested suggested edit on Dashed lines in Feynman diagram
Aug
21
comment Is there a quantity measured in kilogram seconds?
$\mathrm{kg}\cdot\mathrm{s}$ or $\frac{\mathrm{kg}}{\mathrm{s}}$? Anyway, it doesn't necessary to all combination have some interpretation.
Aug
20
revised Theoretical power limit of nuclear bomb
edited title
Aug
20
revised How fast would a spaceship have to go to reach Alpha Centauri within a person's lifetime?
added 2 characters in body