Quantum superposition by Ciro Santilli 35 Updated +Created
Quantum superposition is really weird because it is fundamentally different than "either definite state but I don't know which", because the superposition state leads to different measurements than the non-superposition state.
Examples:
Quadratic formula by Ciro Santilli 35 Updated +Created
Elis Regina by Ciro Santilli 35 Updated +Created
Mostly interpreter of songs written by others. But she's just too amazing, many of her interpretations are better than the original.
God, even Ciro Santilli is slightly shocked by her death, which happened before he was born, can you imagine it at the time? She was MPB's golden girl...
Video 1.
Atrás da Porta performed by Elis Regina
. Source. Composed by Francis Hime and Chico Buarque.
Video 2. . Source. From the 1972 eponymous album. Composed by Antônio Carlos Jobim.
The artist and the politician by Ciro Santilli 35 Updated +Created
Once upon a time in the 2010's, Ciro Santilli went to an artsy theatre venue in the suburbia of Paris, dragged by his wife then girlfriend of course.
In the venue, there was a politician, who was doing his best to show how much they supported the arts, and there were of course the artists, involved in the play.
The politician would see a political power score on top of every person's head, and would spend an amount of time talking to each person exactly proportional to that score. This meant basically one sentence to us. The words themselves didn't really matter of course, only the time spent, they just have to produce nice sounds.
One of the artists however, and he seemed quite important in the production, for some reason spent a huge amount of time speaking to us. The score the artist saw on our heads was of love, or how interested we were in the art.
Faculty of Khan by Ciro Santilli 35 Updated +Created
Veritasium by Ciro Santilli 35 Updated +Created
Does have some gems worth looking at. But generally always too superficial as can be expected from any self-sufficient YouTubber.
Video 1.
My Life Story by Veritasium (2018)
Source. Basically a don't be a pussy story where he describes how he has always been passionate by both science and film making. Veritasium is a nice guy.
Phylogenetic tree by Ciro Santilli 35 Updated +Created
It is important to note that due to horizontal gene transfer, the early days of life, and still bacteria to this day due to bacterial conjugation, are actually a graph and not a tree, see also: Figure "Graph of life".
Definitely have a look at: coral of life representations.
Phosphate by Ciro Santilli 35 Updated +Created
Pharmaceutical company by Ciro Santilli 35 Updated +Created
FEniCS Project by Ciro Santilli 35 Updated +Created
One big advantage over FreeFem is that it uses plain old Python to describe the problems instead of a domain-specific language. Matplotlib is used for plotting by default, so we get full Python power out of the box!
One downside is that its documentation is a Springer published PDF link.springer.com/content/pdf/10.1007%2F978-3-319-52462-7.pdf which is several years out-of-date (tested with FEnics 2016.2. Newbs. This causes problems e.g.: stackoverflow.com/questions/53730427/fenics-did-not-show-figure-nameerror-name-interactive-is-not-defined/57390687#57390687
system of partial differential equations are mentioned at: link.springer.com/content/pdf/10.1007%2F978-3-319-52462-7.pdf 3.5 "A system of advectiondiffusion–reaction equations". You don't need to manually iterate between the equations.
On Ubuntu 20.04 as per fenicsproject.org/download/
sudo apt-get install software-properties-common
sudo add-apt-repository ppa:fenics-packages/fenics
sudo apt-get update
sudo apt-get install --no-install-recommends fenics
sudo apt install fenics
python3 -m pip install -u matplotlib
Before 2020-06, it was failing with:
E: The repository 'http://ppa.launchpad.net/fenics-packages/fenics/ubuntu focal Release' does not have a Release file.
but they seem to have created the Ubuntu 20.04 package as of 2020-06, so it now worked! askubuntu.com/questions/866901/what-can-i-do-if-a-repository-ppa-does-not-have-a-release-file
Memory semantics by Ciro Santilli 35 Updated +Created
These are the rules which specify what different concurrent read/write memory accesses from different threads/processes can or cannot see.
Notable such set of rules include:
Quartz by Ciro Santilli 35 Updated +Created
OurBigBook.com / Feature ideas by Ciro Santilli 35 Updated +Created
In this section we will gather some more advanced ideas besides the basic features described at how the website works.
game-icons.net by Ciro Santilli 35 Updated +Created
This is a good project. Limited scope to 2D card-like games, but very good within that scope.
Ciro Santilli used it for the 2D version of his Ciro's 2D reinforcement learning games.
Fusion power by Ciro Santilli 35 Updated +Created
Video 1.
Why Private Billions Are Flowing Into Fusion by Bloomberg (2022)
Source.
It is interesting that there are several different approaches to the problem. This feels a bit like quantum computing's development at the same time, increases hope that at least one will work.
Nuclear weapon by Ciro Santilli 35 Updated +Created
Figure 1.
A weapons-grade ring of electrorefined plutonium, typical of the rings refined at Los Alamos and sent to Rocky Flats for fabrication
. Source. The ring has a purity of 99.96%, weighs 5.3 kg, and is approx 11 cm in diameter. It is enough plutonium for one bomb core. Which city shall we blow up today?
Ciro Santilli is mildly obsessed by nuclear reactions, because they are so quirky. How can a little ball destroy a city? How can putting too much of it together produce criticality and kill people like in the Slotin accident or the Tokaimura criticality accident. It is mind blowing really.
Video 1.
Tour of a nuclear misile silo from the 60's by Arizona Highways TV (2019)
Source.
Video 2.
The Ultimate Guide to Nuclear Weapons by hypohystericalhistory (2022)
Source. Good overall summary. Some interesting points:
Project to explain each Nobel Prize better by Ciro Santilli 35 Updated +Created
Understand and explain amazingly every single Nobel Prize in physics, chemistry and biology. Since in particular the Nobel Foundation is unable to do that for any at all, especially of the key old ones, e.g. www.nobelprize.org/prizes/physics/1965/summary/. Hopeless.
To be fair, those in theoretical physics at least basically come down to reading a bunch of books. But perhaps anything slightly more experimental could have
List of Nobel Prizes in Physics by Ciro Santilli 35 Updated +Created
Force by Ciro Santilli 35 Updated +Created

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