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1d
awarded  Yearling
1d
awarded  Popular Question
2d
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.
2d
accepted Why do we see laser beams?
2d
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)
2d
asked Why do we see laser beams?
Mar
21
awarded  Custodian
Mar
21
reviewed Approve suggested edit on Question about thermodynamic conjugate quantities
Dec
12
suggested suggested edit on Centrifugal force acting on ring
Nov
27
accepted Nokia PureView microscope: fluorescent Imaging
Nov
27
accepted Theortical power limit of nuclear bomb
Nov
27
asked Nokia PureView microscope: fluorescent Imaging
Nov
7
revised Thin lens formula
improved formatting
Nov
7
suggested suggested edit on Thin lens formula
Jul
20
awarded  Civic Duty
Jun
9
suggested suggested 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.
May
3
awarded  Excavator
May
3
revised Nodal Analysis of an electrical circuit
improved formatting
May
3
suggested suggested edit on Nodal Analysis of an electrical circuit