Vim Updated 2025-07-16
Before we get a decent open source integrated development environment, what else can you do?
But also perfect for small one-off files when you don't have the patience to setup said IDE.
vim's defaults are atrocious for the 21st century! Vundle is reasonable as an ad-hoc package manager, but it can't set fixed versions of packages:
Ripples by ripples Updated 2025-07-16
A Baidu Baike page: baike.baidu.hk/item/層層水瀾/12386243 mentions that the score was published in 1970 by Tao Yimo (陶一陌) in a eponymous score book.
Video 1.
Ripples by ripples performed by Wu Li on the guzheng
. Source. Peformer's Chinese name: 吳莉.
River Cam Updated 2025-07-16
Water Margin Updated 2025-07-16
Talks about rebellion of the oppressed (and bandits), and therefore has been controversial throughout the many Chinese dictatorships.
The book is based on real events surrounding 12th century rebel leader Song Jiang during the Song dynasty.
It is also interesting that Mao Zedong was apparently a fan of the novel, although he had to hide that to some extent due to the controversial nature of the material, which could be said to instigate rebellion.
The incredible popularity of the novel can also be seen by the large number of paintings of it found in the Summer Palace.
This is a good novel. It appeals to Ciro Santilli's sensibilities of rebelling against unfairness, and in particular about people who are at the margin of society (at the river margin) doing so. Tax the rich BTW.
It also has always made Ciro quite curious how such novels are not used as a way to inspire people to rebel against the Chinese Communist Party.
Full text uploads of Chinese versions:
Wave equation solver Updated 2025-07-16
This section talks about solvers/simulators dedicated solving the wave equation. Of course, any serious solver will likely be able to solve a wider range of PDE, so this section contains mostly fun toys. For more serious stuff see: Section "PDE solver".
JavaScript toy solvers:
Wave function collapse Updated 2025-07-16
Similar to quantum jump in the Bohr model, but for the Schrödinger equation.
The idea the the wave function of a small observed system collapses "obviously" cannot be the full physical truth, only a very useful approximation of reality.
Because then are are hard pressed to determine the boundary between what collapses and what doesn't, and there isn't such a boundary, as everything is interacting, including the observer.
The many-worlds interpretation is an elegant explanation for this. Though it does feel a bit sad and superfluous.
Wayback Machine rate limit Updated 2025-07-16
archive.org/details/toomanyrequests_20191110 says 15 archives / minute, but apparently aslo 15 retrievals per minutes on Wikipedia, after which 5 min blacklist. After that, you start getting some 429s, and after that, server refuses to connect at al.
CDX: no limits apparently, they might just throttle you? Made 10k requets on bash loop and was going fine. But not that if you get blacklisted by create/fetch requests blacklist, server fails to connect here as well.
Chess Updated 2025-07-16
Education is broken Updated 2025-07-16
Once Ciro was at a University course practical session, and a graduate was around helping out. Ciro asked if what the graduate did anything specifically related to the course, and they replied they didn't. And they added that:
One has to put the bread on the table.
Even though Ciro was already completely disillusioned by then, that still made an impression on him. Something is really wrong with this shit.
Other people that think that the educational system is currently bullshit as of 2020:
Figure 1.
Educational systems are carried by Indian YouTubers meme
. Source. Over a Dmitriy Khaladzhi carrying a horse over his shoulders meme template.
Video 1.
Peter Gregory from Silicon Valley shows his hate for university in a fake TED talk
. Source. Key moment: someone from the crowd cries:
The true value of a college education is intangible!
to which the speaker replies:
The true value of snake oil is intangible as well.
IMDb says it's not a cameo. It really looked like one, good acting, but what a missed opportunity. Imagine a Xavier Niel appearance.
Video 2.
David Deutsch on Education interviewed by Aidan McCullen (2019)
Source.
Key quote that hits the nail:
[...] the existing assumptions behind educational systems are that the purpose of education is to transmit valuable knowledge faithfully from on generation to the next. From people who already have that knowledge, to people who don't.
So the knowledge is conceived of as a kind of valuable fluid, which you pour from one generation to the next, pour it into their brains.
So right... the purpose of education is not to teach facts. The purpose of education is to propose ways of thinking, which students themselves must try to apply and decide if it suits them! And use the patterns of thinking that are useful to reach their goals.
Like Noam Chomsky, he proposes education has been a system of indoctrination more than anything else e.g. twitter.com/daviddeutschoxf/status/1406374921748496386:
All compulsory education, "tough" or not, "love" or not, in camps or not, and whether it "traumatises" or not, is a violation of human rights.
At twitter.com/DavidDeutschOxf/status/1051475227476185089 another good quote by Churchill:
Headmasters have powers at their disposal with which Prime Ministers have never yet been invested.
The same video also mentions in passing that john Wheeler used to be Deutsch's boss, but I can't find a reference for it very easily.
Video 3.
Quote selection by Charles Bukowski (2016)
Source.
Generally speaking, you're free until you're about 4 years old. Then you go to grammar school and then you start becoming... oriented and shoved into areas. You lose what individualism you have, if you have enough of course, you retain some of it... Then you work the 8 hour job with almost a feeling of goodness, like you're doing something. Then you get married like marriage is a victory, and you have children like children is a victory... Marriage, birth, children. It's something they have to do because there's nothing else to do. There's no glory in it, there's no steam, there's no fire. It's very, very flat... You get caught into the stricture of what you're supposed to be and you have no other choice. You're finally molded and melded into what you're supposed to be. I didn't like this.
Video 5.
I "Crashed Out" After Studying Physics In College by Alex Wei
. Source. A large part of his problem are High expectations Asian father issues. But society does absolutely nothing to help either, treating Education as an IQ test.
Video 6.
The decline of play by Peter Gray TEDxNavesink talk
. Source.
Video 7.
Can you get an MIT education for $2,000? by Scott Young
. Source.
Video 8.
Graduating from Chinese College by Arcnimation
. Source.
Glycoprotein Updated 2025-07-16
Semiconductor diode Updated 2025-07-16
Figure 1.
I-V curve of a diode
. Source. This image shows well how the diode is only an approximation of the ideal one way device. Notably, there is this non-ideal voltage drop across the device, which can be modelled as constant. It is however an exponential in fact.
Video 1.
Diodes Explained by The Engineering Mindset (2020)
Source. Good video:
Coral of life Updated 2025-07-16
Figure 1.
Coral of life by János Podani (2019)
Source. Fantastic work!!! Some cool things we can easily see:

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