Naive Lie theory by John Stillwell (2008) Updated +Created
Named algebraic equation Updated +Created
OurBigBook.com / Advertisement Updated +Created
Don't like this very much, but if it's the only way...
Maybe focus on job ads like Stack Overflow.
Then:
  • like YouTube, pay creators proportionally to views/metrics
  • paid subscription to remove ads from site
Algebraic number field Updated +Created
The set of all algebraic numbers forms a field.
This field contains all of the rational numbers, but it is a quadratically closed field.
Like the rationals, this field also has the same cardinality as the natural numbers, because we can specify and enumerate each of its members by a fixed number of integers from the polynomial equation that defines them. So it is a bit like the rationals, but we use potentially arbitrary numbers of integers to specify each number (polynomial coefficients + index of which root we are talking about) instead of just always two as for the rationals.
Each algebraic number also has a degree associated to it, i.e. the degree of the polynomial used to define it.
Alternating group of degree 5 Updated +Created
Envelope (waves) Updated +Created
JavaScript WYSIWYG text editor Updated +Created
Neutrino Updated +Created
Hypothesized as the explanation for continuous electron energy spectrum in beta decay in 1930 by .
First observed directly by the Cowan-Reines neutrino experiment.
@cirosantilli/_file/webpack/webpack/sass Updated +Created
This example shows how to use @cirosantilli/_file/webpack/webpack/sass.
To make things simple, it generates a completely separate dist/index.js and dist/main.css which are manually included from index.html, and does not do any type of injection (neither Js into HTML nor CSS in Js).
Zatoichi effect Updated +Created
This is a neologism by Ciro Santilli, it refers to the fact that Zatoichi was not fully blind, but extremely hard of sight, which makes him:
  • too capable for the blind people, who did not trust him
  • too incapable for non-blind people, who despised him
and metaphorically refers to similar situations where a person or group of people are in the middle of two groups and not part of either of them.
A related thing that comes to mind is Aum Shinrikyo's Prophet Shoko Asahara, who was semi blind, and would bully the fully blind people of his school for blind people.
Google custom hardware Updated +Created
Gwyn ap Harri Updated +Created
Parity violation Updated +Created
This is quite mind blowing. The laws of physics actually differentiate between particles and antiparticles moving in opposite directions!!!
Only the weak interaction however does it of the fundamental interactions.
Some historical remarks on Surely You're Joking, Mr. Feynman section "The 7 Percent Solution".
It gets worse of course with cP Violation.
Sex determination system Updated +Created
Laszlo's pizzas Updated +Created
On May 19, 2020, Lazlo announced on the Bitcoin Forum at: bitcointalk.org/index.php?topic=137.msg1195
I'll pay 10,000 Bitcoins for a couple of pizzas.. like maybe 2 large ones so I have some left over for the next day. I like having left over pizza to nibble on later. You can make the pizza yourself and bring it to my house or order it for me from a delivery place, but what I'm aiming for is getting food delivered in exchange for bitcoins where I don't have to order or prepare it myself, kind of like ordering a 'breakfast platter' at a hotel or something, they just bring you something to eat and you're happy!
I like things like onions, peppers, sausage, mushrooms, tomatoes, pepperoni, etc.. just standard stuff no weird fish topping or anything like that. I also like regular cheese pizzas which may be cheaper to prepare or otherwise acquire.
If you're interested please let me know and we can work out a deal.
Ciro Santilli remembers his father always telling him how when Ciro was small, he would try to grasp the value of money by converting it into how many pizzas he could buy. Well, at least he was not alone.
User bitcoin2paysafe then asks the fundamental practical question:
In which country do you live?
and Lazslo replies:
Jacksonville, Florida
zip code 32224
United States
User ender_x then points out afterward:
10,000... Thats quite a bit.. you could sell those on www.bitcoinmarket.com/ for $41 USD right now..
so it is a slightly bad deal even then!
Three days later Lazlo's asks again on the thread:
So nobody wants to buy me pizza? Is the bitcoin amount I'm offering too low?
and one day later he confirms that the sale was made without naming the buyer:
I just want to report that I successfully traded 10,000 bitcoins for pizza
Thanks jercos!
where "jercos" is presumably the Bitcoin Forum username of the buyer. en.bitcoin.it/wiki/Jercos gives his identity as Jeremy Sturdivant.
www.thesun.co.uk/news/15049566/other-bitcoin-pizza-jeremy-sturdivant-fortune-hanyecz/ mentions Jeremy sold too early however:
The cryptocash disappeared when Sturdivant used it to "cover expenses" while travelling the US with his girlfriend.
Figure 1.
Laszlo's Papa's Specialty pizzas
. Source. The most famous of Laszlo's pizzas, originally published on his website: web.archive.org/web/20210217220810/http://heliacal.net/~solar/bitcoin/lightning-pizza/.
Figure 2.
Laszlo's secondary pizza event
. Source. web.archive.org/web/20210217220810/http://heliacal.net/~solar/bitcoin/lightning-pizza/ documents another pizza event, as we have different pizza boxes from the most widely known one: web.archive.org/web/20211219130004/http://heliacal.net/~solar/bitcoin/pizza/ Only image thumbs are archived however. web.archive.org/web/20211016070745/https://www.thesun.co.uk/news/15049566/other-bitcoin-pizza-jeremy-sturdivant-fortune-hanyecz/ however shows a large version that The Sun got their hands on before the takedown.
heliacal.net is presumably his personal website? But is was down as of 2023. But we have Wayback Machine archives of course :-) Latest working one of that page 2021: web.archive.org/web/20211219130004/http://heliacal.net/~solar/bitcoin/pizza/ And some other stalking:
Laszlo is truly, literally, the nerd who got very very very lucky!!!
On June 12, 2010 Laszlo re-offers:
This is an open offer by the way.. I will trade 10,000 BTC for 2 of these pizzas any time as long as I have the funds (I usually have plenty). If anyone is interested please let me know. The exchange is favorable for anyone who does it because the 2 pizzas are only about 25 dollars total, maybe 30 if you give the guy a nice tip. If you get me the upgraded extra large ones or something, I can throw in some more bitcoins, just let me know and we'll work something out.
My 1 year old daughter really enjoys pizza too! She just smears it all over her face if you give her a whole slice, but she does eventually manage to get most of it in her mouth (minus a few loose toppings of course).
and on August 4 user MoonShadow takes him up:
An open offer, you say? It's been a while since you had some pizza. Feeling a craving, Laszlo?
but finally Laszlo withdrawls the offer:
Well I didn't expect this to be so popular but I can't really afford to keep doing it since I can't generate thousands of coins a day anymore. Thanks to everyone who bought me pizza already but I'm kind of holding off on doing any more of these for now.
so we understand that the sales happened multiple times!!! Also, we understand that he was probably a miner.
TODO list all of the potential sales.
Onion service Updated +Created
This is a way to host a server that actually hide the IP of the server from the client, just like Tor hides the IP of the client from the server. Amazing tecnology!
This is why it enables hosting illegal things like the Silk Road: law enforcement is not able find where the server is hosted, and take it down or identify the owner.
Infinitesimal generator Updated +Created
Elements of a Lie algebra can (should!) be seen a continuous analogue to the generating set of a group in finite groups.
For continuous groups however, we can't have a finite generating set in the strict sense, as a finite set won't ever cover every possible point.
But the generator of a Lie algebra can be finite.
And just like in finite groups, where you can specify the full group by specifying only the relationships between generating elements, in the Lie algebra you can almost specify the full group by specifying the relationships between the elements of a generator of the Lie algebra.
This "specification of a relation" is done by defining the Lie bracket.
The reason why the algebra works out well for continuous stuff is that by definition an algebra over a field is a vector space with some extra structure, and we know very well how to make infinitesimal elements in a vector space: just multiply its vectors by a constant that cana be arbitrarily small.

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