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Apr
27
suggested rejected edit on What is the lenght of the rope?
Apr
20
revised Finding the vacuum which breaks a symmetry
improved list
Apr
20
suggested approved edit on Finding the vacuum which breaks a symmetry
Apr
16
awarded  Yearling
Apr
16
awarded  Popular Question
Apr
16
comment Why do we see laser beams?
Thanks! There is also a Boom-Boom in Star Wars, so... the sci-fi isn't give much help in learning physics.
Apr
16
accepted Why do we see laser beams?
Apr
16
comment Why do we see laser beams?
So, in vacuum with a few particles in a unit of volume the laser beam would be almost invisible? (haven't found any photos of laser beam in space)
Apr
16
asked Why do we see laser beams?
Mar
21
awarded  Custodian
Mar
21
reviewed Approve Question about thermodynamic conjugate quantities
Dec
12
suggested rejected edit on Centrifugal force acting on ring
Nov
27
accepted Nokia PureView microscope: fluorescent Imaging
Nov
27
accepted Theoretical power limit of nuclear bomb
Nov
27
asked Nokia PureView microscope: fluorescent Imaging
Nov
7
revised Thin lens formula
improved formatting
Nov
7
suggested approved edit on Thin lens formula
Jul
20
awarded  Civic Duty
Jun
9
suggested rejected edit on Small unclarity in proof of Noether's Theorem
May
6
comment Why there are constant numbers in the universe?
I think this two questions on Math.SE would be interesting: Does π depends on the norm? and π in arbitrary metric spaces.