Proprietary software

Electromagnetic coil

{wiki}

One dimension in <position representation>:
$$
\hat{p} = - i \hbar \pdv{}{x}
$$

In three dimensions In position representation, we define it by using the <gradient>, and so we see that 
$$
\hat{p} = - i \hbar \pdv{}{x}
$$

\Video[https://www.youtube.com/watch?v=Egu4i8umpoM]
{title=Position and Momentum from Wavefunctions by <Faculty of Khan> (2018)}
{description=Proves in detail why the <momentum operator> is $\pdv{}{x}$. The starting point is determining the time <derivative> of the <expectation value> of the <position operator>.}


Momentum operator

Photomultiplier

Sedimentary rock

Regions of England

History of England

{c}
{wiki}

http://lilypond.org/

Music notation engine. <domain-specific language> input. The <LaTeX> of music.


LilyPond

{wiki}

Dominating awesome list: https-github-com-nodiscc-awesome-linuxaudio

A large part of these projects are on <SourceForge> as of 2020, it is scary. They just die.


Software synthesizer

{c}
{wiki}

<sphere> with two <Möbius strips> stuck into it as per the <classification of closed surfaces>.


Klein bottle

{c}
{title2=2000}
{wiki}

\Video[https://www.youtube.com/watch?v=gSqz17gtv8U]
{title=<The Sixteen Men Of Tain>}
{description=One of the best <Jazz fusion> albums ever made}


The Sixteen Men Of Tain

Korea

{tag=Era}
{title2=65 Bya - today}
{title2=new life}
{title2=K-Pg Extinction - today}
{wiki}


Cenozoic

Country in West Asia

{wiki=Cell_(biology)}

= Cell
{disambiguate=biology}
{synonym}


Cell

{c}
{disambiguate=Allan Holdsworth album}
{title2=1989}
{wiki}

\Video[https://www.youtube.com/watch?v=KXTHVqeIxnc]
{title=Secrets <Allan Holdsworth> album}


Ciro Santilli @cirosantilli 35