217 reputation
17
bio website problemania.org
location Problemania
age
visits member for 2 years, 8 months
seen Mar 30 at 20:04

A moderator at Wiki site http://problemania.org where a group of enthusiasts enjoying sharing the fun solving mathematics, physics, and computing problems. We primarily work on problems found in college/grad school text books.

Web page: http://problemania.org

Twitter: http://twitter.com/#!/problemania

Github: https://github.com/Problemaniac


Mar
12
awarded  Popular Question
Aug
26
awarded  Yearling
Jan
21
accepted How a spacecraft travelling near light speed avoid asteroids?
Jan
21
accepted How does one explain this pattern generated by earthquake waving driving a pendulum?
Jan
17
accepted What's the isospin of photons?
Jan
17
revised Please recommend a physics problems book similar to Demidovich
added 119 characters in body
Jan
16
revised How does one explain this pattern generated by earthquake waving driving a pendulum?
better wording
Jan
16
asked How does one explain this pattern generated by earthquake waving driving a pendulum?
Jan
12
comment What are the consequences of relativistic angular velocities?
Angular velocity $\omega$ has different dimension from light speed $c$, hence can't really approach it. You want $\omega \rightarrow c r$?
Jan
12
asked How a spacecraft travelling near light speed avoid asteroids?
Dec
5
asked What's a compact scientific answer to question “(Why there is) / (what is before) the Big Bang?”
Sep
11
awarded  Commentator
Jul
21
accepted What does the latin letter mean in Bayer name of a star such as “$\Upsilon$ Andromedae $b$”?
Jul
21
awarded  Supporter
Jul
21
comment What does the latin letter mean in Bayer name of a star such as “$\Upsilon$ Andromedae $b$”?
So $\Upsilon$ Andromedae is a multiple star system?
Jul
19
asked What does the latin letter mean in Bayer name of a star such as “$\Upsilon$ Andromedae $b$”?
Feb
7
awarded  Tumbleweed
Feb
1
awarded  Scholar
Feb
1
accepted How does one pronounce this particle's name?
Feb
1
revised How does one pronounce this particle's name?
added 103 characters in body