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visits member for 2 years, 3 months
seen Dec 4 '12 at 15:03

Nov
13
awarded  Yearling
Jul
2
awarded  Curious
May
3
awarded  Notable Question
Aug
30
awarded  Yearling
Jul
14
awarded  Notable Question
Jun
27
awarded  Popular Question
Jan
16
awarded  Nice Question
Nov
18
awarded  Commentator
Nov
18
comment Hemispheric dichotomy of Mars and unstable spin axis
@AlanSE: You're right. That is a fatal flaw in my argument. Planetary axes don't roll like the spoke of a wheel around their orbit like I was thinking here.
Nov
18
revised Hemispheric dichotomy of Mars and unstable spin axis
added 100 characters in body
Nov
18
revised Hemispheric dichotomy of Mars and unstable spin axis
added 32 characters in body
Nov
18
asked Hemispheric dichotomy of Mars and unstable spin axis
Nov
11
comment What came first, Rice Crispy or “Snap,” “Crackle,” and “Pop”?
For even higher order derivatives and also integrals see: thespectrumofriemannium.wordpress.com/2012/11/10/…
Oct
19
revised Alpha Centauri Bb: Comparing astrometric precision vs doppler precision
added 138 characters in body
Oct
19
asked Alpha Centauri Bb: Comparing astrometric precision vs doppler precision
Oct
18
awarded  Tumbleweed
Oct
11
awarded  Popular Question
Oct
11
comment Einstein's special relativity beyond the speed of light
+1 for pointing out that this doesn't work in actual 3+1 spacetime.
Oct
11
accepted Einstein's special relativity beyond the speed of light
Oct
10
asked Einstein's special relativity beyond the speed of light