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visits member for 2 years
seen Aug 14 at 2:20

Apr
3
asked Natural refrigeration
Mar
19
awarded  Commentator
Mar
19
comment Why does a candle blow out when we blow on it? Our breath is 16% oxygen and only 4% CO2
@fibonatic: I watched the video and while I understand that you can relight the candle because the wax vapor is still present in the smoke, I don't get why the flame cleanly falls to the candle wick.
Mar
11
accepted What is an effective and efficient way to read research papers?
Mar
9
awarded  Popular Question
Mar
8
comment What is an effective and efficient way to read research papers?
I don't see any duplication. Reading textbooks is very different from reading a research paper. Generally, textbooks start reasonably from scratch, while papers don't. And if you've ready my question, that's one of the reasons I and many other people at my level find it hard to read papers, but not textbooks.
Mar
8
asked What is an effective and efficient way to read research papers?
Oct
11
comment Quantum states as rays as opposed to vectors
Thanks so much for the links to the various papers and reviews!
Oct
11
accepted Quantum states as rays as opposed to vectors
Sep
11
asked Quantum states as rays as opposed to vectors
Jun
17
accepted Question about entangled states
Jun
17
comment Question about entangled states
thanks! I get it! also, thanks for pointing out that i forgot the square root sign for the normalization factor. i've edited the question.
Jun
17
awarded  Editor
Jun
17
revised Question about entangled states
added 7 characters in body
Jun
17
revised Question about entangled states
edited tags
Jun
17
asked Question about entangled states
Jun
14
comment Terms allowed in Lagrangian density
thanks for pointing that out!
Jun
14
accepted Terms allowed in Lagrangian density
Jun
13
comment Terms allowed in Lagrangian density
Thanks for the response! I understand the problem better now. I read Motl's answer and while I understand everything he says from a mathematical perspective, I'm still confused about the physical grounds for his argument. Is it always true that the distance-scale "L" in Motl's answer that appears in the coefficients of the derivative terms is a microscopic scale that can be neglected when you raise it to an integer power? Thanks!
Jun
12
asked Terms allowed in Lagrangian density