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Apr
17
comment How to create visible reflections in shallow water?
@AnishaKaul I've updated the answer
Apr
17
revised How to create visible reflections in shallow water?
added 634 characters in body
Apr
17
comment How to create visible reflections in shallow water?
@AnishaKaul Just make coffee without milk, I thought it should be black. I mentioned coffee because it seems to be readily available. You can use ink instead or something like that.
Apr
17
revised How to create visible reflections in shallow water?
added 686 characters in body
Apr
17
answered How to create visible reflections in shallow water?
Apr
11
comment Can a dot of light travel faster than the speed of light?
OP asked about FTL speed, you answered the speed would be exactly $c$, so the answer should be 'No'. However is there a simple argument to show that the dot speed would be $c$, not a certain fraction of it?
Apr
11
comment Can a dot of light travel faster than the speed of light?
Could you please address a (popular) concern that the beam would bent, just like a water from a hose?
Apr
8
comment Universal Sequence and relationship of mathematics and reality
@Xaqron check oeis.org/A002823 If this is the sequence you are talking about, link to it in your question. OEIS might be the primary reference site for integer sequences.
Apr
5
comment Universal Sequence and relationship of mathematics and reality
Anyway, I do not see a point in commenting philosophical remarks, at least on this site. The quote of Einstein is hardly related to physical theory, it is simply not a part of physics.
Apr
5
comment Universal Sequence and relationship of mathematics and reality
For whom might be interested the article by Metropolis, Stein, and Stein dx.doi.org/10.1016/0097-3165(73)90033-2 the pdf is freely downloadable.
Apr
5
comment Universal Sequence and relationship of mathematics and reality
What is Universal Sequence?
Feb
8
reviewed Satisfactory Are Carnot engine efficieny and Fourier heat trasmission law related?
Feb
8
awarded  Custodian
Feb
8
reviewed Needs Improvement Relation between density and refractive index of medium
Feb
8
reviewed Satisfactory Entropy and the principle of least action
Jan
28
revised Sensors for Greenhouse Study
for metric countries residents
Jan
28
suggested suggested edit on Sensors for Greenhouse Study
Jan
25
comment Any new texts directly on second law of thermodynamics?
have a look at books by Georgy Lebon, David Jou, José Casas Vázquez. There are several, several editions, get the one you can. Actually I don't see how is the question duplicates the linked one.
Jan
23
comment Maximum Principle vs. Minimum Principle in Non-equilibrium Thermodynamics
@Nathaniel, concerning MaxEnP, do you actually mean that the description of the system should admit non-unique solutions under a given boundary conditions? That is one defines what he means by "state" and then postulate that it is not determined by the environment and the previous state?
Jan
23
comment Does a toy top weigh less when it is spinning?
for those who might be intersted, the second paragraph seems to be about tippie top en.wikipedia.org/wiki/Tippe_top