{title2=三西猴的主页}

Check out: \b[https://ourbigbook.com], a <personal knowledge base> that can publish from <lightweight markup> both to a multi-user \b[<mind melding>] dynamic website, or as a <static website>. It's like \b[<Wikipedia> + <GitHub> + <Stack Overflow> + <Obsidian (software)>]. Source code: \b[https://github.com/ourbigbook/ourbigbook].

<sponsor>[Sponsor me to work on this project]: 100k <USD> = I quit me job and work on it one year full time. Status: \b[~144k / 200k USD] reached: 1st year locked-in, 2nd year stretch goal open at 200k USD. How to donate: <sponsor>{full}.

I reached \b[100k USD] after a <sponsor/1000 Monero donation>, so I quit my job for 1 year starting 1st June 2024 to solve as many <STEM> courses as I can from a world leading university to try and kickstart \b[The Higher Education Revolution]. If I reach \b[200k USD], then I'll do it for two years instead. A second year greatly improve chances of success: year one I solve a bunch of courses, year two I come guns blazing with the content and expand further.

\b[Mission]: to live in a world where you can learn <university>-level <mathematics>, <physics>, <chemistry>, <biology> and <engineering> from perfect free <open source> books that anyone can write to get famous. More rationale: <OurBigBook.com>{full}

<Ciro Santilli's documentation superpowers>[Explaining things is my superpower], e.g. I was top user \#39 on <Stack Overflow> in 2023https://stackexchange.com/leagues/1/year/stackoverflow/2023-01-01{ref}<Ciro Santilli's Stack Overflow contributions>{ref} and I have a few 1k+ star educational <GitHub> repositorieshttps://github.com/cirosantilli/linux-kernel-module-cheat{ref}<Linux Kernel Module Cheat>{ref}https://github.com/cirosantilli/x86-bare-metal-examples{ref}https://github.com/search?o=desc&q=user%3Acirosantilli&s=stars&type=Repositories{ref}. Now I want to bring that level of awesomeness to <Master's degree>[masters level] <Mathematics> and <Physics>. But I can't do it alone! So I created <OurBigBook.com> to allow everyone to work together towards the perfect book of everything.

My life's goal is to bring hardcore <university>-level <STEM> <open educational content> to all ages. Sponsor me at https://github.com/sponsors/cirosantilli[] starting from 1<Dollar>[[$]]/month so I can work full time on it. Further information: <sponsor>{full}. Achieving what I call "<free gifted education>" is my <Nirvana>.

<Ciro Santilli's website>[This website] is written in <OurBigBook Markup>, and it is published on both https://cirosantilli.com (<static website>) and https://outbigbook.om/cirosantilli (multi-user <OurBigBook Web> instance). Its <source code> is located at: https://github.com/cirosantilli/cirosantilli.github.io[] and https://cirosantilli.com/_dir[also at `cirosantilli.com/_dir`] and it is <licensed> under <CC BY-SA 4.0> unless otherwise noted.

To contact Ciro, see: <contact>{full}. He likes to talk with random people of the <Internet>.

https://github.com/cirosantilli[GitHub] |
https://stackoverflow.com/users/895245[Stack Overflow] |
https://www.linkedin.com/in/cirosantilli[LinkedIn] |
https://www.youtube.com/c/CiroSantilli[YouTube] |
https://twitter.com/cirosantilli[Twitter] |
https://en.wikipedia.org/wiki/User:Cirosantilli2[Wikipedia] |
https://www.zhihu.com/people/cirosantilli/activities[Zhihu 知乎] |
https://www.weibo.com/p/1005055601627311[Weibo 微博] |
<accounts>[Other accounts]

\image[https://raw.githubusercontent.com/cirosantilli/media/master/ID_photo_of_Ciro_Santilli_taken_in_2013.jpg]{height=300}
\image[https://raw.githubusercontent.com/cirosantilli/media/master/Ciro_Santilli's_learn_teach_apply_logo.png]{height=300}

Besides that, I'm also a <Ciro Santilli's campaign for freedom of speech in China>[freedom of speech] <slacktivist> and <Ciro Santilli's cycling>[recreational cyclist]. Opinions are my own, but they could be yours too. <Tax the rich>.

Let's <the ideal university>[create an educational system] with:
* no distinction between <university> and <high school>, <students must have a flexible choice of what to learn>[students just go as fast as they can to what they really want] without stupid <university entry exams>
* <OurBigBook.com>[fully open source learning material]
* <exam as a service>[on-demand examinations that anyone can easily take without prerequisites]
* <the only reason for universities to exist should be the laboratories>[granular entry selection only for space in specific laboratories] or participation in specific <novel research> projects

\b[I offer]:
* online private tutoring for:
  * any <STEM> university course
  * passionate younger <STEM> students (any age) who want to learn university level material and beyond. Can your kid be the next <Fields Medalist> or <Nobel Prize> winner? I'm here to help, especially if you are filthy rich! I focus <Students must be allowed to progress as fast as they want>[moving students forward as fast as they want] on and on <how to teach/Projects must aim for novelty>[producing useful novel tutorials and results]

  Let <Emile, or On Education>[your child be my Emile], and me be their <Adolfo Amidei>, and let's see how far they can go! I will help take your child:
  * into the best <universities>
  * into the best <PhD> programs
  and achieve their ambitious <STEM> goals!
* educational consulting for institutions looking to improve their <STEM> courses
  * do you know \i[that] course or teacher that consistently gets bad reviews every year? I'll work with the teacher to turn the problem around!
  * are you looking to create a consistent <open educational resources> offering to increase your institutions internationally visibility? I can help with that too.

My approach is to:
* propose interesting research projects. The starting point is always deciding the end goal: <backward design>{full}
* learn what is needed to do the project together with the student(s)
* publish any novel results or tutorials/tools produced <freely licensed> online, and encourage the student to do the same (<how to teach/Let students learn by teaching>{full}, <digital garden>)
For minors, parents are welcome to join video calls, and all interactions with the student will be recorded and made available to parents.

I have <articles>[a proven track of explaining complex concepts in an interesting and useful way]. I work for the learner. Teaching statement at: <How to teach>{full}. Pricing to be discussed. Contact details at: <How to contact Ciro Santilli>{full}.

I am particularly excited about pointing people to the potential <next big things>, my top picks these days are:
* <quantum computing>
* <AGI research>
* assorted <molecular biology technologies>
I am also generally interested in:
* 20th century physics, notably <AMO> and <condensed matter>
* the <history of science>, and in particular <there is value in tutorials written by early pioneers of the field>[trying to look at seminal papers of a field]

\Image[https://stackoverflow.com/users/flair/895245.png?theme=dark]
{disambiguate=home}
{height=150}
{title=<Ciro Santilli>'s amazing <Stack Overflow> profile}
{description=Ciro contributes almost exclusively by answering question he <Googles> into out of his own need, and never by refreshing the newest question of big tags for low hanging fruit! More information at: <Ciro Santilli's Stack Overflow contributions>{full}.}
{link=https://stackoverflow.com/users/895245}

\Video[https://www.youtube.com/watch?v=7JOJYx0mmhg]
{disambiguate=home}
{height=500}
{title=Introduction to the <OurBigBook Project>}

\Video[https://www.youtube.com/watch?v=54nxjC9BWTg]
{disambiguate=home}
{height=700}
{width=700}
{title=<OurBigBook Web> topics demo}
{description=The <OurBigBook topic feature> allows users to "merge their minds" in a "sort by upvote"-stack overflow-like manner for each subject. This is the killer feature of <OurBigBook Web>. More information at: https://docs.ourbigbook.com/ourbigbook-web-topics[].}

\Video[https://www.youtube.com/watch?v=sX_D_5tCQgg]
{height=700}
{width=700}
{title=<OurBigBook> dynamic article tree demo}
{description=The <OurBigBook dynamic tree> feature allows any of your headers to be the toplevel `h1` header of a page, while still displaying its descendants. <SEO> loves this, and it also allows users to always get their content on the correct granularity. More information at: https://docs.ourbigbook.com/ourbigbook-web-dynamic-article-tree[].}

\Video[https://www.youtube.com/watch?v=Ghvlztiu6rI]
{height=720}
{width=720}
{title=<OurBigBook> local editing and publishing demo}
{description=With <OurBigBook> you can store your content as plaintext files in a <Lightweight markup>, and then publish that to either <OurBigBook.com>  to get awesome multi-user features, or as a <static website> where you are in full control. More information at: https://docs.ourbigbook.com/publish-your-content[].}

\Video[https://youtube.com/watch?v=j_fl4xoGTKU]
{disambiguate=home}
{height=500}
{title=Top Down <2D continuous game> with <Urho3D> <C++> <SDL> and <Box2D> for <Reinforcement learning> by <Ciro Santilli> (2018)}
{description=More information: <Ciro's 2D reinforcement learning games>{full}. This is Ciro's underwhelming stab at the fundamental question: <Can AGI be trained in simulations?>. This project <todo>[could be taken much further].}

\Video[https://www.youtube.com/watch?v=P7-OYQatYvA]
{disambiguate=home}
{height=500}
{title=<Water Margin> tribute to <Chinese> dissidents by <Ciro Santilli> (2022)}
{description=Part of <Ciro Santilli's campaign for freedom of speech in China>, see also: https://cirosantilli.com/china-dictatorship/water-margin[].}

\Image[https://raw.githubusercontent.com/cirosantilli/media/master/lenovo-thinkpad-t430-bios-hello-world.jpg]
{height=500}
{title=<Lenovo> <ThinkPad> T430 running a <BIOS> <hello world>}
{description=Source code: https://github.com/cirosantilli/x86-bare-metal-examples[]. Ciro's <Linux Kernel Module Cheat> is a closely related and much more important project that covers the <Linux kernel> and <assembly language>.}

``
 -------------------------------------
|  Force of Will               3 U U  |
|  ---------------------------------  |
| |                  ////////////   | |
| |                ////() ()\////\  | |
| |               ///_\ (--) \///\  | |
| |        )      ////  \_____///\\ | |
| |       ) \      /   /   /    /   | |
| |    ) /   \     |   |  /   _/    | |
| |   ) \  (  (   /   / /   / \     | |
| |  / ) ( )  / (    )/(    )  \    | |
| |  \(_)/(_)/  /UUUU \  \\\/   |   | |
| .---------------------------------. |
| Interrupt                           |
| ,---------------------------------, |
| | You may pay 1 life and remove a | |
| | blue card in your hand from the | |
| | game instead of paying Force of | |
| | Will's casting cost.  Effects   | |
| | that prevent or redirect damage | |
| | cannot be used to counter this  | |
| | loss of life.                   | |
| | Counter target spell.           | |
| `---------------------------------` |
|                                     l
| Illus.  Terese Nelsen               |
 -------------------------------------
``
{title=<ASCII art> of https://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=413591[Force of Will] <Magic: The Gathering> card <inscribed (Blockchain)> in the <Bitcoin blockchain>}
{description=
Artist unknown, uploaded December 2014. Part of <Cool data embedded in the Bitcoin blockchain>{full} where <Ciro Santilli> maintains a curated list of such interesting inscriptions.

This was a small project done by Ciro for <artistic> purposes that received some attention due to the incredible hype surrounding <cryptocurrencies> at the time. <Ciro Santilli>'s views on  <cryptocurrencies> are summarized at: <Are cryptocurrencies useful?>{full}.
}

\Image[https://web.archive.org/web/20220102092623im_/http://bitfossil.org/4cbb32cd27b5b5edc12d3559bdffc1355ac2a210463d5cfaadc7ce9b06675b2b/YellowRobot.jpg]
{disambiguate=index}
{height=600}
{title=`YellowRobot.jpg`}
{description=
<JPG> image fully embedded in the <Bitcoin blockchain> depicting some kind of cut material art depicting a yellow robot, <inscription (Blockchain)>[inscribed] on https://www.blockchain.com/explorer/transactions/btc/4cbb32cd27b5b5edc12d3559bdffc1355ac2a210463d5cfaadc7ce9b06675b2b[January 29, 2017].

<Ciro Santilli> found this image and others during his research for <Cool data embedded in the Bitcoin blockchain>{full} by searching for image fingerprints on every transaction payload of the blockchain with a script.

The image was uploaded by <EMBII>, co-creator of the <cool data embedded in the bitcoin blockchain/AtomSea & EMBII> upload mechanism, which was responsible for a large part of the image <inscription (Blockchain)>[inscriptions] in the <Bitcoin blockchain>.

The associated message reads:
\Q[Chiharu \[<EMBII>'s Japanese wife\] and I found this little yellow robot while exploring Chicago. It will be covered by tar or eventually removed but this tribute will remain. N 41.880778 E -87.629210]
This is one of <Ciro Santilli>'s favorite AtomSea & EMBII uploads, as it perfectly encapsules the "medium as an art form" approach to blockchain art, where even non-novel works can be recontextualized into something interesting, here depicting an opposition between the ephemeral and the immutable.

At https://twitter.com/EMBII4U/status/1615389973343268871 <EMBII> announced that he would be giving off shares of that image on <Sup!? (Bitcoin-based social media)>, a <Bitcoin>-backed <NFT> system he was; making. In December 2023, he gave some shares of the robot to <Ciro Santilli>.
}
{source=http://bitfossil.org/4cbb32cd27b5b5edc12d3559bdffc1355ac2a210463d5cfaadc7ce9b06675b2b/index.htm}

\Image[https://raw.githubusercontent.com/cirosantilli/media/master/cia-2010-covert-communication-websites/screenshots/starwarsweb.net.jpg]
{disambiguate=index}
{height=1400}
{title=2010 <Wayback Machine> archive of https://web.archive.org/web/20101230033220/http://starwarsweb.net/[starwarsweb.net]}
{description=
This website was used as one of the <CIA 2010 covert communication websites>, a covert system the <CIA> used to communicate with its assets. More details at: <CIA 2010 covert communication websites>{full}.

<Ciro Santilli> had some <Ciro Santilli's naughty projects>[naughty OSINT fun] finding some of the websites of this defunct network in 2023 after he heard about https://www.reuters.com/investigates/special-report/usa-spies-iran/[the 2022 Reuters report on the matter], which for the first time gave away 7 concrete websites out of a claimed 885 total found. As of November 2023, Ciro had found about 350 of them.
}

\Image[https://raw.githubusercontent.com/cirosantilli/media/master/cia-2010-covert-communication-websites/screenshots/noticiasmusica.net.jpg]
{disambiguate=index}
{height=1400}
{title=2010 <Wayback Machine> archive of https://web.archive.org/web/20101230165001/http://noticiasmusica.net/[noticiasmusica.net]}
{description=
This is another website that was used as one of the <CIA 2010 covert communication websites>. This website is written in <Brazilian Portuguese>, and therefore suggests that the <CIA> had assets in <Brazil> at the time, and thus was spying on a "fellow democracy".

Although <Snowden>'s revelations made it extremely obvious to the world that the USA spies upon everyone outside of the <Five Eyes>, including fellow democracies, it is rare to have such a direct a concrete proof of it visible live right on the <Wayback Machine>. Other targeted democracies include <France>, <Germany>, <Italy> and <Spain>. More details at: <cia 2010 covert communication websites/USA spying on its own allies>.
}

\Image[https://raw.githubusercontent.com/cirosantilli/media/master/Diagram_of_the_fundamental_theorem_on_homomorphisms_with_subtitles.svg]
{disambiguate=index}
{height=800}
{title=Diagram of the <fundamental theorem on homomorphisms> by <Ciro Santilli> (2020)}
{description=
Shows the relationship between <group homomorphisms> and <normal subgroups>.

Used in the <Stack Exchange> answer to https://math.stackexchange.com/questions/776039/intuition-behind-normal-subgroups/3732426\#3732426[What is the intuition behind normal subgroups?] One of <articles>{full}.
}

\Image[https://raw.githubusercontent.com/cirosantilli/media/master/Faster_than_light_implies_time_travel_diagram.svg]
{disambiguate=articles}
{height=600}
{title=<Spacetime diagram> illustrating how <faster-than-light> travel implies time travel by <Ciro Santilli> (2021)}
{description=Used in the <Stack Exchange> ansewr to https://physics.stackexchange.com/questions/13001/does-superluminal-travel-imply-travelling-back-in-time/615079\#615079[Does faster than light travel imply travelling back in time?]. One of <articles>{full}.}

\Image[https://raw.githubusercontent.com/cirosantilli/media/master/C++_Heap_vs_BST_vs_hash_map_insert_time.png]
{height=1000}
{title=Average insertion time into heaps, <binary search tree> and <hash maps> of the <#C++ standard library> by <Ciro Santilli> (2015)}
{description=Used in the <Stack Overflow> answer to https://stackoverflow.com/questions/6147242/heap-vs-binary-search-tree-bst/29548834\#29548834[Heap vs Binary Search Tree (BST)]. One of <articles>{full}.}
{{source=https://stackoverflow.com/questions/6147242/heap-vs-binary-search-tree-bst/29548834#29548834}}

\Video[https://www.youtube.com/watch?v=84ig5cih4kI]
{height=600}
{title=<Birch and Swinnerton-Dyer conjecture in two minutes by Ciro Santilli>}
{description=Quick and direct explanation of the statement of the <BSD Conjecture> for people who know basic university mathematics. This is one of the <Millennium Prize Problems>, and you will get a million dollars if you can solve it! This therefore falls in the <Simple to state but hard to prove> of <Ciro Santilli>'s <the beauty of mathematics> aesthetics.}

\Image[https://upload.wikimedia.org/wikipedia/commons/thumb/5/57/Oxford_Nanopore_MinION_top_cropped.jpg/392px-Oxford_Nanopore_MinION_top_cropped.jpg]
{disambiguate=index}
{height=600}
{title=Top view of an open <Oxford Nanopore MinION>}
{description=This is <Ciro Santilli>'s hand on the <Wikipedia> article: https://en.wikipedia.org/wiki/Oxford_Nanopore_Technologies[]. He put it there after working a bit on <Oxford nanopore river bacteria>{full} :-) And he would love to document more experiments like that one <Videos of all key physics experiments>{full}, but opportunities are extremely rare.}

A quick <2D continuous AI game> prototype for <reinforcement learning> written in <Matter.js>, you can view it on a separate page at https://cirosantilli.com/_raw/js/matterjs/examples.html\#top-down-asdw-fixed-viewport[]. This is a for-fun-only prototype for <Ciro's 2D reinforcement learning games>, <C++> or maybe <Python> (for the <deep learning> ecosystem) seems inevitable for a serious version of such a project. But it is cute how much you can do with a few lines of <Matter.js>!

\passthrough[[<iframe src="_raw/js/matterjs/examples.html#top-down-asdw-fixed-viewport" width="1000" height="850"></iframe>]]


Index

Whenever I try to write an article, (on your markdown, not in the CLI version), many times the text gets all deleted. This happens when I type special characters such as "dollar sign" (in fact, as I was about to rewrite it, my whole browser froze and the website was experiencing high lag for some reason). 

So for some reason I can't write all that. I can't write dot dot either. Also headers don't work!  "equals + space" seems to be one of the deadly combos that delete all content.

Some specific key combinations cause the whole text to get deleted. Please fix this issue, so we can start writing articles. Also a save button (like a draft) should be present, because you never know if anything is going to crush suddenly.

I am waiting for the updated version or for an explanation.


Some problems I have encountered so far

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Some problems I have encountered so far

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