What is the newest installment of 'Random Thoughts' on Physics Forums?

[WWGD]

Around post #8888, my back-end browser just opened up.

 

[WWGD]

I keep going back to the issue of the type of relation between Conservative Vector Fields and Holomorphic Complex Functions. Conditions: $U_x= V_y; U_y =V_x$ are identical. So every Holomorphic function maps to a Conservative Vector Field. Does it also go the other way round? Does it make sense to talk about Conservative Vector Fields in higher dimensions, e.g., for maps $$F(x_1, x_2,..,x_n)=(F_1(x_1,..,x_n), F_2(x_1, ..,x_n),..,.., F_m(x_1, x_2,...,x_m))?

 

[BillTre]

Nice Quote from Benjamin Alexander, former DJ, Jamaica's first alpine skier:

"I've come to appreciate that Olympic participation is a worthy goal. Participation that's aimed not at getting a gold medal does have its place," he said.
"Most people, most athletes at an Olympic Games ... one: no medal, and two: don't get into the finals. That's a reality.
"Life is a struggle, anything worth doing in life is a struggle. And anytime you enter into a struggle, you are going to suffer. And the one thing I would like to communicate to people that people think that suffering is something to be avoided: no. That's the reality.
"What we need to develop is: how are we going to survive in the struggle and the suffering, and eventually triumph?"

Sometimes, it seems like this is easily forgotten.

 

[WWGD]

Nice Quote from Benjamin Alexander, former DJ, Jamaica's first alpine skier:Sometimes, it seems like this is easily forgotten.

Them and the bobsled team.

 

[fresh_42]

Them and the bobsled team.

They even have a women's bobsled team!

 

[WWGD]

The Robertasled team.

 

[fresh_42]

I think they didn't pass the qualifications, i.e. I haven't found them in the results of the best 20.

However, the pilot of Bob Germany 3, currently (half time) second, is called Mariama Jamanka. Close.

 

[Hamiltonian]

Never thought I'd see good ol' Shrek in a calc textbook!

 

[Ibix]

Onions are like covector fields! Onions have layers! Covector fields have layers!

 

[WWGD]

View attachment 297328
Never thought I'd see good ol' Shrek in a calc textbook!

I assume copyright expired for that image. Otherwise Disney lawyers would be contacting Mr Stewart.

 

[WWGD]

View attachment 297292

I think they didn't pass the qualifications, i.e. I haven't found them in the results of the best 20.

However, the pilot of Bob Germany 3, currently (half time) second, is called Mariama Jamanka. Close.

I guess it was unusual too for Florida to have an Ice Hockey team. Not like local teens play ice hockey in the streets. Or even Soccer/Football teams for that matter.

 

[WWGD]

The awkwardness of an exchange by text, when you're never clear when the exchange is over.

 

[ergospherical]

I was chatting to the guy prepping the little Latin restaurant by the gym this morning and when I was heading back home he offered to cook up this really cool plantain & steamed-fish breakfast to take on the walk back (for free no less!). Not a bad way to start the day, eh.

 

[WWGD]

One of these days I'll figure out who/what Bixby is in my phone, and why I should update it.

 

[WWGD]

Gmail separating emails into ' Social ' 'Promotions ', etc. : Another solution in search of a problem.

 

[Ibix]

One of these days I'll figure out who/what Bixby is in my phone, and why I should update it.

Samsung's "smart" agent. I disabled it and haven't looked back.

 

[WWGD]

Samsung's "smart" agent. I disabled it and haven't looked back.

Thanks. I just uninstalled like 5 game-related apps totaling around 10gb. Will disable/uninstall Bixby Asap.

 

[fresh_42]

Thanks. I just uninstalled like 5 game-related apps totaling around 10gb. Will disable/uninstall Bixby Asap.

Maybe it works if you tell him to commit suicide. At least, it should.

 

[WWGD]

Maybe it works if you tell him to commit suicide. At least, it should.

Death on Two Legs...

 

[WWGD]

I think it's another example of forced helpfulness/ a solution in search of a problem.

 

[fresh_42]

Death on Two Legs...

I thought we were talking about electrons?!

 

[WWGD]

I thought we were talking about electrons?!

Death on two orbitals?

 

[fresh_42]

Death on two orbitals?

Well, electrons come with the sign on them.

 

[WWGD]

Well, electrons come with the sign on them.

Tell that to Bixby.

 

[WWGD]

Someone named their network 'Nietschze'.
Network is not open. What should I guess for the password: Zarathustra? Superman? Willto power?
I only know the buzzwords. If I see it again I will try them.
I won't try to guess the password for the ' It Only hurts when IP' network.

 

[fresh_42]

Someone named their network 'Nietschze'.
Network is not open. What should I guess for the password: Zarathustra? Superman? Willto power?
I only know the buzzwords. If I see it again I will try them.
I won't try to guess the password for the ' It Only hurts when IP' network.

Send them the National Spelling Agency.

 

[WWGD]

Send them the National Spelling Agency.

Nietzsche. No wonder they don't have Spelling Bees in Deutsche ( That I know of).

 

[fresh_42]

No wonder they don't have Spelling Bees in Deutsche ( That I know of).

It doesn't make much sense in a language in which you mainly write as you pronounce.

 

[WWGD]

It doesn't make much sense in a language in which you mainly write as you pronounce.

Does that apply to 'Nietzsche'? Or did you just will yourself to power*?

*Training for Jeopardy.

 

[fresh_42]

Does that apply to 'Nietzsche'? Or did you just will yourself to power?

It applies if you speak correctly.

 

[WWGD]

It applies if you speak correctly.

Correctly in what province? Is it just a difference in accents between them or is the pronunciation different too? EDIT: It's hard when both are different.

 

[fresh_42]

We have exams at school where the teacher is reading a text and the students have to write it down. Since they get marks, I think it can be compared to a spelling competition.

 

[WWGD]

We have exams at school where the teacher is reading a text and the students have to write it down. Since they get marks, I think it can be compared to a spelling competition.

But is pronunciation, accent (Edit : Significantly-) different between regions?

 

[fresh_42]

But is pronunciation, accent different between regions

The spoken language is a different one, i.e. what people actually use depends on region. This can be quite different every few miles. But there is only one version that is correct, written, spoken, and taught at school. In the case of Nietzsche, I think it is safe to claim that most people will pronounce it without the 'z'. Theoretically, however, you should hear it.

 

[WWGD]

The spoken language is a different one, i.e. what people actually use depends on region. This can be quite different every few miles. But there is only one version that is correct, written, spoken, and taught at school. In the case of Nietzsche, I think it is safe to claim that most people will pronounce it without the 'z'. Theoretically, however, you should hear it.

Thanks; will hear it theoretically then ;).

 

[WWGD]

Wonder why XPath searches were not built into SMS and other backup systems ( those that use .xml formats, of course).

 

[WWGD]

Is there a substitute for Ctrl+A for gmail, to select all emails in a search result?

 

[fresh_42]

Why not simply click?

 

[ergospherical]

Does anybody know why Landau never uses the letter $j$ as a suffix? It's always only $i,k,l,m...$ for the Latin alphabet. Looks to similar to $i$, perhaps?

 

[Ibix]

Reserves $j$ for $\sqrt{-1}$, engineer style?

 

[ergospherical]

Reserves $j$ for $\sqrt{-1}$, engineer style?

Seems to use $i$ for that too, at least in the copy I have to hand at the moment (elasticity theory).

 

[Jonathan Scott]

Does anybody know why Landau never uses the letter $j$ as a suffix? It's always only $i,k,l,m...$ for the Latin alphabet. Looks to similar to $i$, perhaps?

My guess is that it's because he wrote in Russian, and the English version is a translation. I suspect that Russian doesn't have an equivalent of "j" distinct from "i".

 

[ergospherical]

That's a point! I found a Wikipedia article explaining the romanisation of the Russian alphabet. Some features:

"и" --> "i"
"й" --> "i", "j", or "y"
"к" --> "k"
"л" --> "l"
etc.

so it does indeed seem like there isn't an equivalent for "j"; and the closest possibility, "й", looks far too similar to "и".

 

[WWGD]

Those who use together either of the pairs (i, j) or (u,v) on a blackboard, should be shot. They're undistinguishable for 99% of writers.
I heard there are places that have electronic blackboards that can print out what's written. Always tough to coordinate listening with writing.

Edit: I think that method is outdated e and may not last too long.

 

[WWGD]

Will get together with my Nigerian friend. I'll have café con Kelechi.

 

[fresh_42]

Does anybody know why Landau never uses the letter $j$ as a suffix? It's always only $i,k,l,m...$ for the Latin alphabet. Looks to similar to $i$, perhaps?

@Jonathan Scott's obviously correct explanation teaches us how important context is!

E.g. I try to avoid i as an index on PF because it is unnecessarily hard to distinguish from 1,l, or j but mainly because my texts ended up in a mess after i was rendered to 'start italic' one time too many. k as summation index is much better to grasp. Another possible context in a historical text is, that they probably used a typewriter. I knew somebody who used variable names according to the optimization problem: "Minimize the number of necessary selectrics and their changes!"

 

[WWGD]

I understand the pronoun 'i' in English is capitalized to make it easier to identify/keep track of, despite theories on it being a reflection of individualism in English culture.

 

[fresh_42]

Those who use together either of the pairs (i, j) or (u,v) on a blackboard, should be shot. They're undistinguishable for 99% of writers.
I heard there are places that have electronic blackboards ...

Whiteboards. You need to wrap them for the scanning process. After thousands of tries, someone figured out that slabs of slate cannot be bent and inevitably break.

 

[WWGD]

Whiteboards. You need to wrap them for the scanning process. After thousands of tries, someone figured out that slabs of slate cannot be bent and inevitably break.

Ah, yes, just went with the default ' blackboard' to stand for any type of board. Thought it wouod be obvious. Though maybe instead they could be automatically sent to students as an attachment.

 

[WWGD]

Still, a rule of thumb I use for buying a Math/Physics book is whether it has a clear, comprehensive notational reference in it. It suggests author made a real effort to be helpful and didn't just write it to have his name on a book.