Hollerith tabulating machine Updated +Created
Video 1.
The 1890 US Census and the history of punchcard computing by Stand-up Maths (2020)
Source. It was basically a counting machine! Shows a reconstruction at the Computer History Museum.
Quantum approximate optimization algorithm Updated +Created
TODO clear example of the computational problem that it solves.
Amphibian Updated +Created
Amnion Updated +Created
Protein degradation Updated +Created
proteins also have a half-life, much like RNA. But it tends to be longer.
Python standard library Updated +Created
Python package manager Updated +Created
List of public schools in the United Kingdom Updated +Created
Pleistocene Updated +Created
Agriculture is not the official definition of the age. But it is good enough. Likely related to the official end of glaciations thing.
South East England Updated +Created
Projective space Updated +Created
A unique projective space can be defined for any vector space.
The projective space associated with a given vector space is denoted .
The definition is to take the vector space, remove the zero element, and identify all elements that lie on the same line, i.e.
The most important initial example to study is the real projective plane.
The simplest multicellular species Updated +Created
One of the simplest known seems to be: en.wikipedia.org/wiki/Trichoplax
www.u-tokyo.ac.jp/focus/en/articles/a_00220.html "The simplest multicellular organism unveiled" from 2013 mentions Tetrabaena socialis.
Then of course: Caenorhabditis elegans is a relatively simple and widely studied model organism.
Video 1.
Nicole King (UC Berkeley, HHMI) 1: The origin of animal multicellularity by iBiology (2015)
Source.
Quantization of a real scalar field Updated +Created
This is one of the first examples in most quantum field theory.
It usually does not involve any forces, just the interpretation of what the quantum field is.
www.youtube.com/watch?v=zv94slY6WqY&list=PLSpklniGdSfSsk7BSZjONcfhRGKNa2uou&index=2 Quantization Of A Free Real Scalar Field by Dietterich Labs (2019)
Quantum algorithm vs quantum gate vs quantum circuit Updated +Created
There is no fundamental difference between them, a quantum algorithm is a quantum circuit, which can be seen as a super complicated quantum gate.
Perhaps the greats practical difference is that algorithms tend to be defined for an arbitrary number of N qubits, i.e. as a function for that each N produces a specific quantum circuit with N qubits solving the problem. Most named gates on the other hand have fixed small sizes.
Python virtualization Updated +Created
Python documentation generator Updated +Created
Quark Updated +Created
TODO experimental discovery.
Quadratic unconstrained binary optimization Updated +Created
Sauropsida subclade Updated +Created

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