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bio website github.com/kennytm
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visits member for 3 years, 5 months
seen Dec 30 '13 at 12:12

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Jan
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comment Moving from point A to point B in zero-gravity
I see no question marks.
Jan
2
revised Solving straight-line motion question for time
TeXify a little bit.
Dec
30
comment How long it will take for a upright rigid body to fall on a ground
@space_cadet: meta.physics.stackexchange.com/questions/76/level-of-questions
Dec
30
comment How long it will take for a upright rigid body to fall on a ground
Why will it fall if the bar is vertically upright? The system is in (unstable) equilibrium.
Dec
25
revised If photons have no mass, how can they have momentum?
delete an extra 'm'.
Dec
23
revised Anti-gravity in an infinite lattice of point masses
deleted 63 characters in body; added 4 characters in body
Dec
23
comment Anti-gravity in an infinite lattice of point masses
@Marek: Yep. But this is mainly a respond to OP's comment that "the sum should converge".
Dec
23
revised Anti-gravity in an infinite lattice of point masses
added 209 characters in body; added 5 characters in body
Dec
23
answered Anti-gravity in an infinite lattice of point masses
Dec
23
revised Can magnets rotate infinitely?
edited tags