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I am an electrical engineer who is easily distracted by physics.


9h
comment Why does only one side of a neon lamp glow?
"A neon display lamp uses the positive column for its light"?
1d
comment Why does only one side of a neon lamp glow?
As I pointed out in another comment, the talk page of Wikipedia:Glow discharge says "Sputtering of the cathode, on the other hand, is not at all important for a glow discharge. It is merely a side effect." Also the neon lamp article says that sputtering wears the electrodes and darkens the lamp over time by coating the surface of the glass with metal.
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awarded  Good Question
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awarded  Popular Question
Nov
26
revised Why does only one side of a neon lamp glow?
added 37 characters in body
Nov
26
revised Why does only one side of a neon lamp glow?
fix dead link
Nov
25
comment Why the galaxies forms 2D plane (or spiral-like) instead of 3D ball (or spherical-like)?
"Stars also do not collide"? How so? Even if they don't collide head-on, but pass each other somewhat closely, they will both be deflected by each other's gravitational field.
Nov
25
suggested suggested edit on Why does only one side of a neon lamp glow?
Nov
25
awarded  Promoter
Nov
25
revised Why does only one side of a neon lamp glow?
added 23 characters in body
Nov
25
revised Can Ionocrafts be improved by breaking them up into multiple stages?
added 69 characters in body; edited title
Nov
11
awarded  Popular Question
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awarded  Yearling
Oct
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awarded  Popular Question
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awarded  Popular Question
Sep
25
comment Would wearing clothing that is black on the inside and white on the outside keep you cooler?
@mukunda: Yes, a white trashbag and nothing else. That will make you cool no matter what the season.
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24
awarded  Autobiographer
Sep
18
revised Why does water make a sound when it is disturbed?
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awarded  Popular Question
Aug
11
revised Doppler effect of sound waves
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