lundi 14 février 2022

Rocket part on crash course with Moon 'not from Elon Musk's SpaceX'

Astronomers say that a rocket section set to crash into the Moon in March did not come from Elon Musk's space exploration company as they first thought.

Instead they believe it is probably a Chinese rocket stage launched for a lunar mission in 2014.

https://www.bbc.co.uk/news/science-environment-60378119


dimanche 13 février 2022

Origin of the Swan Lake story

Just fishing for opinions here.

A rough, selective outline of the story of Swan Lake. The hero, Siegfried, falls in love with the leader of the swan maidens and promises to be faithful to her. However, back in the real world he is tricked into proposing to the wrong girl and so breaks his promise. This proves catastrophic and he ends up dead, together with his first love, in a dénouement which involves a body of water (the lake) rising up and drowning the stage.

A rough, selective outline of the story of Götterdämmerung. The hero, Siegfried, falls in love with the leader of the valkyries and promises to be faithful to her. However, back in the real world, he is tricked into proposing to the wrong girl and so breaks his promise. This proves catastrophic and he ends up dead, together with his first love, in a dénouement which involves a body of water (the river Rhine) rising up and drowning the stage.

We all know that valkyries are swan maidens, right?

Now it's true that's selective and there are many differences between the stories, most importantly in my opinion the absence of a Gunther character in Swan Lake. However, here's the thing. When an artist takes a basic story or other idea and uses it in a new work, he re-conceptualises it, changes the context and creates something new. He doesn't just file off the serial numbers. (And in this case Tchaikowsky doesn't actually appear to have filed off the most important serial number, the hero's name.)

The origin of the story of Götterdämmerung is well known. It's a very clever mash-up of essentially two versions of the Sigurd/Siegfried myth, the Volsunga Saga and the Nibelunenlied, with bits of the Thidrik's Saga and other versions of the story thrown in. I had originally vaguely imagined that Swan Lake was based on one or another of the several versions of the same myth in existence, however that is not the case. Wikipedia states that the origin of the story is not known (nobody seems to have asked Tchaikowsky?)

Quote:

There is no evidence to prove who wrote the original libretto, or where the idea for the plot came from. Russian and German folk tales have been proposed as possible sources, including "The Stolen Veil" by Johann Karl August Musäus, but both those tales differ significantly from the ballet.

One theory is that the original choreographer, Julius Reisinger, who was a Bohemian (and therefore likely to be familiar with The Stolen Veil), created the story. Another theory is that it was written by Vladimir Petrovich Begichev, director of the Moscow Imperial Theatres at the time, possibly with Vasily Geltser, danseur of the Moscow Imperial Bolshoi Theatre...

It's noteworthy that the closest resemblance to the Swan Lake story is the Götterdämmerung mash-up itself, not any of the source legends. There is also only one legend involving a hero called Siegfried (or sometimes Sigurd), the one about the dragonslayer who was tricked into betraying his valkyrie love and marrying the wrong girl, although it occurs in multiple versions.

Now here's the coincidence. The text of Götterdämmerung was first published in about 1853, but Wagner didn't compose the music until much later, between 1869 and 1874. Work began quite soon thereafter on the first stage performance which occurred in July 1876. This was a very big deal in the musical world, Wagner finally finishing the magnum opus he'd been working on since 1848. The story was hardly a secret, having been published some time previously, and musical scores were also published I believe. I doubt if there were many musicians who were unaware of what was being produced.

Tchaikowsky wrote Swan Lake in 1875-76 and its première was in 1877. So at exactly the time Swan Lake was being created, the musical world was buzzing with the culmination of the story of Siegfried who swore to be eternally faithful to a valkyrie (a swan maiden), was tricked into proposing to the wrong girl, broke his vow, and ended up dead with his original beloved in a catastrophe involving the nearby body of water rising in a flood.

My somewhat half-baked theory is that Tchaikowsky was influenced by Götterdämmerung and based the core of his story on that, although much re-worked. Whether this was homage, or jumping on the bandwagon, or whether the story of the hero marrying the wrong woman through trickery was simply something that inspired him I don't know. I also think he expected people to get it (bandwagon?), hence not changing the hero's name, but when they didn't he just left the origin of his story a mystery.

Any thoughts, assuming anyone even reads this subforum any more? Am I completely wrong or is there possibly something in this?


How much energy from 2 ounces of Uranium vs Carloads of Coal?

I ran across this old 1950s film about uranium prospecting:
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Around the 1:07 mark, it claims that "2 ounces of uranium 235 can produce as much electrical energy as 800 carloads of coal."

I know uranium is a very efficient fuel. But, that number seemed a bit high to me. So, I tried to do my own calculations:

According to some Googling:

2 ounces of Uranium produces as much energy as about 170 tons of coal, or so.

A single coal car can contain about 116 tons of coal.

Therefore, it seems, 2 ounces of uranium can only produce about as much energy as 1.5 carloads of coal. Not 800.

Is my math right, or am I missing something?


samedi 12 février 2022

Kayak Deniers Commercials

These Kayak commercials poke fun at 'deniers'. I wonder if they can recognize they're being mocked or if they sit there nodding their heads thinking "Yeah, he gets it!" I think they're funnier than hell.

Quote:

Our newest ads play up the current cultural moment: where everything is suspect and nothing is believed – especially each other. It’s a weird world, laughing helps. In KAYAK Deniers, we craft scenarios where someone is adamant that “KAYAK isn’t real.” Whether they just can’t wrap their minds around the fact that we search hundreds of sites to instantly give you an abundance of options for your trip – or they simply believe the best travel search engine on the planet is all smoke and mirrors – there’s just no reasoning with them.
(Kayak)

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Tuttletwins.com... super not socialist homeschool material.

Someone please tell me this maga, sorry... MEGA, creepy ad I just saw was just a fever dream. [emoji15]
This must be pillow boy's target demographic.
I need a shower... and an emetic. [emoji3525]


Implicit Bias

An article from Time Magazine that seems to be advocating that those who are 'Woke' should witness (to use the Christian term) unto their family and neighbours so that they may see the light...


Quote:

I recently had dinner with a white friend. He mentioned having completed the Me and White Supremacy workbook—Layla F. Saad’s extraordinary set of exercises for people who hold white privilege and want to interrogate its role in their lives. “How was it?” I asked, sipping my wine. “Exhausting,” he proclaimed. And it is exhausting, the slow, painstaking, write-it-down process of examining how racial hierarchy shows up in one’s conscious and unconscious beliefs, in one’s desires, fears, friendships, and communities. The upshot was that he was doing “the work.” I was happy and, being a person of color, relieved. I also immediately wondered whether he’d insisted that the white members of his social circle—friends, spouse, parents, siblings—do the work, too. But I didn’t ask. I was afraid to learn that he hadn’t.

Mod InfoSplit from Critical Race Theory as it seems to be worth its own topic
Posted By:Jimbob


https://time.com/6145211/white-peopl...rsations-race/


vendredi 11 février 2022

Oil Eyes $100 mark yet again

And this time, it look a certainty to bust it.

Current price for Brent crude is $94.44

How's the petrol price where you live?

In NZ, it's at record highs and will break $3 a litre at the pump is rural areas this week.

Not going to slow inflation at all.