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visits member for 1 year, 9 months
seen Feb 4 '13 at 20:45

Jan
25
asked reltivistic action is negative or positive number?
Jan
25
awarded  Student
Jan
25
asked Why lagrangian is negative number?
Jan
24
asked what is use of relativistic action?
Jan
24
revised why drag cause mass in higgs field ? how could drag cause mass?
added 37 characters in body
Jan
23
revised why drag cause mass in higgs field ? how could drag cause mass?
edited tags
Jan
23
revised why drag cause mass in higgs field ? how could drag cause mass?
deleted 86 characters in body
Jan
23
revised why drag cause mass in higgs field ? how could drag cause mass?
added 206 characters in body
Jan
23
asked why drag cause mass in higgs field ? how could drag cause mass?
Jan
21
revised where the proper time is invariant why $d\tau$ is not zero?
ok guys i got the point: **invariance is not a synonym for being a constant**. thanks
Jan
21
revised where the proper time is invariant why $d\tau$ is not zero?
added 676 characters in body
Jan
21
awarded  Editor
Jan
21
revised where the proper time is invariant why $d\tau$ is not zero?
added 43 characters in body
Jan
21
asked where the proper time is invariant why $d\tau$ is not zero?
Jan
11
asked What physical quantity has SI unit $\mathrm{kg}/\mathrm{m}$?