Install on Ubuntu 22.04:
python3 -m pip install --user adafruit-ampy Analytical method to solve a partial differential equation Updated 2025-02-26 +Created 1970-01-01
Ciro Santilli once was at student a hackthon, where he proposed working on OurBigBook.com to others.
The only person who showed interest was a follower of the sect.
It seems that they put a lot of emphasis in education.
Also, their self-name is Hizmet, which translates as "service".
That day, Mr. Fethullah Gülen gained some Cirocoins.
- symmetry in classical field theory
- from Lagrangian density we can algorithmically get equations of motion, but the Lagrangian density is a more compact way of representing the equations of motion
- definition of symmetry in context: keeps Lagrangian unchanged up to a total derivative
- Noether's theorem
- youtu.be/cj-QpsZsDDY?list=PLDfPUNusx1EpRs-wku83aqYSKfR5fFmfS&t=3062 Lagrangian and conservation example under translations
- youtu.be/cj-QpsZsDDY?list=PLDfPUNusx1EpRs-wku83aqYSKfR5fFmfS&t=3394 same but for Poincaré transformations But now things are harder, because it is harder to describe general infinitesimal Poincare transforms than it was to describe the translations. Using constraints/definition of Lorentz transforms, also constricts the allowed infinitesimal symmetries to 6 independent parameters
- youtu.be/cj-QpsZsDDY?list=PLDfPUNusx1EpRs-wku83aqYSKfR5fFmfS&t=4525 brings out Poisson brackets, and concludes that each conserved current maps to a generator of the Lie algebraThis allows you to build the symmetry back from the conserved charges, just as you can determine conserved charges starting from the symmetry.
Hardcoded and unique network addresses for every single device on Earth.
Started with 48 bits (6 bytes), usually given as 01:23:45:67:89:AB but people now encouraged to use 64-bit ones.
How they are assigned: www.quora.com/How-are-MAC-addresses-assigned Basically IEEE gives out the 3 first bytes to device manufacturers that register, this is called the organizationally unique identifier, and then each manufacturer keeps their own devices unique.
I read Human Compatible by Stuart J. Russell (2019). Some AI safety people were actually giving out free copies after a talk, can you believe it! Good book.
It is not obvious why there have to be two sexes.
Sex itself is obvious: by mixing genes we increase variability.
But having two sexes rather than just being able to reproduce with anyone reduces the possible mating pool by half!
She's truly passionate about health research and keeping healthy, almost obsessed by it. Also she's strong willed, and energetic. Good traits for founding 23andMe.
- www.vanityfair.com/style/2014/04/sergey-brin-amanda-rosenberg-affair Fantastic painting of the people.
As www.nytimes.com/2017/11/18/style/anne-wojcicki-23andme-genetics.html puts it well:
The Wojcickis grew into Silicon Valley royalty. It’s the sort of family, Anne jokes, where “you’re only a viable fetus once you have your Ph.D.
Anne Wojcicki interview by Talks at Google (2018)
Source. She's athletic! As mentioned at: www.vanityfair.com/style/2014/04/sergey-brin-amanda-rosenberg-affair. And despite the name, and unlike Sergey, she's completely american as seen from her perfect accent!- youtu.be/pDoALM0q1LA?t=173 coding on garage while they do dishes and burritos
- youtu.be/pDoALM0q1LA?t=331 why she's obsessed with healthcare. Also mentioned at: www.vanityfair.com/style/2014/04/sergey-brin-amanda-rosenberg-affair how she was trying to save Sergei from some of his genetic predispositions
- youtu.be/pDoALM0q1LA?t=571 she really cared about 23andMe, but the public didn't as much as her. She's truly passionate about mining genetic data. Maybe she came a bit early.
- youtu.be/pDoALM0q1LA?t=1038 doc in a box workaround
Year 2 of the mathematics course of the University of Oxford Updated 2025-02-26 +Created 1970-01-01
Finance is a cancer of society. But I have to admit it, it's kind of cool.
arstechnica.com/information-technology/2016/11/private-microwave-networks-financial-hft/ The secret world of microwave networks (2016) Fantastic article.
Matthew 10:16-23 Coming Persecutions, where Jesus before being persecuted warns his disciples that there is evil in the world and that they must be aware of it, all while being pure at heart:
Behold, I send you out as sheep in the midst of wolves; so be wise as serpents and innocent as doves.
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