URL by Ciro Santilli 35 Updated +Created
Geiger counter by Ciro Santilli 35 Updated +Created
National Security Agency by Ciro Santilli 35 Updated +Created
Assembly language by Ciro Santilli 35 Updated +Created
A human readable way to write instructions for an instruction set architecture.
One of the topics covered in Ciro Santilli's Linux Kernel Module Cheat.
Text-to-image generation by Ciro Santilli 35 Updated +Created
Punched card by Ciro Santilli 35 Updated +Created
Served as both input, output and storage system in the eary days!
Video 1.
1964 IBM 029 Keypunch Card Punching Demonstration by CuriousMarc (2014)
Source.
Video 2.
Using Punch Cards by Bubbles Whiting (2016)
Source. Interview at the The Centre for Computing History.
Video 3.
Once Upon A Punched Card by IBM (1964)
Source. Goes on and on a bit too long. But cool still.
Hewlett Packard Enterprise by Ciro Santilli 35 Updated +Created
Old quantum theory by Ciro Santilli 35 Updated +Created
Human hearing range by Ciro Santilli 35 Updated +Created
Lagrangian vs Hamiltonian by Ciro Santilli 35 Updated +Created
The key difference from Lagrangian mechanics is that the Hamiltonian approach groups variables into pairs of coordinates called the phase space coordinates:
  • generalized coordinates, generally positions or angles
  • their corresponding conjugate momenta, generally velocities, or angular velocities
This leads to having two times more unknown functions than in the Lagrangian. However, it also leads to a system of partial differential equations with only first order derivatives, which is nicer. Notably, it can be more clearly seen in phase space.
Mono by Ciro Santilli 35 Updated +Created
One, single. Actual word: μόνος.
Eta (letter) by Ciro Santilli 35 Updated +Created
Lowercase looks like a lowercase letter N for some reason.
Phi by Ciro Santilli 35 Updated +Created
Two lower case variants... both used in mathematical notation, and for some reason, in LaTeX \varphi is the one that actually looks like the default standard modern lowercase phi, while \phi is the weird one. I love life.
Very good film by Ciro Santilli 35 Updated +Created
Messier 86 by Ciro Santilli 35 Updated +Created
Fusion energy gain factor by Ciro Santilli 35 Updated +Created
Recursively enumerable language by Ciro Santilli 35 Updated +Created
There is a Turing machine that halts for every member of the language with the answer yes, but does not necessarily halt for non-members.
Fisher Scientific product by Ciro Santilli 35 Updated +Created

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