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Adding text on a local instance of this mediawiki.
 
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= Safe spaces for reprap wiki pre-writes – due to the logout time there being waaaaay to short =
* [[RepRec pick & place robots (RepRap)]]
== Testing image layouts ==
== Testing image layouts ==
<center>
<center>
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<math> \phi= \int_{-\pi}^{\pi}sin(x) dx </math>
<math> \phi= \int_{-\pi}^{\pi}sin(x) dx </math>


* [[Useful math]]
* [[Exotic math]]
* [[Pages containing math]]
=== For real p orbitals ''ℓ'' = 1 ===


<math display="block">\begin{align}
  Y_{1,-1} & = p_y =  i \sqrt{\frac{1}{2}} \left( Y_1^{- 1} + Y_1^1 \right) = \sqrt{\frac{3}{4 \pi}} \cdot \frac{y}{r} = \sqrt{\frac{3}{4 \pi}} \sin( \theta) \sin \varphi  \\
  Y_{1,0} & = p_z = Y_1^0 = \sqrt{\frac{3}{4 \pi}} \cdot \frac{z}{r} = \sqrt{\frac{3}{4 \pi}} \cos( \theta) \\
  Y_{1,1} & = p_x = \sqrt{\frac{1}{2}} \left( Y_1^{- 1} - Y_1^1 \right) = \sqrt{\frac{3}{4 \pi}} \cdot \frac{x}{r} = \sqrt{\frac{3}{4 \pi}} \sin( \theta) \cos \varphi
\end{align}</math>
=== For real d orbitals ''ℓ'' = 2 ===
* For page: [[Atomic orbitals]]
* Source: https://en.m.wikipedia.org/wiki/Table_of_spherical_harmonics#Real_spherical_harmonics
<math display="block"> \begin{align}
Y_{2,-2} & = d_{xy} = i \sqrt{\frac{1}{2}} \left( Y_2^{- 2} - Y_2^2\right) = \frac{1}{2} \sqrt{\frac{15}{\pi}} \cdot \frac{x y}{r^2} = \frac{1}{4} \sqrt{\frac{15}{\pi}} \sin^{2}\theta \sin(2\varphi) \\
Y_{2,-1} & = d_{yz} = i \sqrt{\frac{1}{2}} \left( Y_2^{- 1} + Y_2^1 \right) = \frac{1}{2} \sqrt{\frac{15}{\pi}} \cdot \frac{y \cdot z}{r^2} = \frac{1}{4} \sqrt{\frac{15}{\pi}} \sin(2 \theta) \sin \varphi \\
Y_{2,0} & = d_{z^2} = Y_2^0 = \frac{1}{4} \sqrt{\frac{5}{\pi}} \cdot \frac{3z^2 - r^2}{r^2}  = \frac{1}{4} \sqrt{\frac{5}{\pi}} (3\cos^{2}\theta -1)\\
Y_{2,1} & = d_{xz} = \sqrt{\frac{1}{2}} \left( Y_2^{- 1} - Y_2^1 \right) = \frac{1}{2} \sqrt{\frac{15}{\pi}} \cdot \frac{x \cdot z}{r^2} = \frac{1}{4} \sqrt{\frac{15}{\pi}} \sin(2 \theta) \cos \varphi\\
Y_{2,2} & = d_{x^2-y^2} = \sqrt{\frac{1}{2}} \left( Y_2^{- 2} + Y_2^2 \right) = \frac{1}{4} \sqrt{\frac{15}{\pi}} \cdot \frac{x^2 - y^2 }{r^2} = \frac{1}{4} \sqrt{\frac{15}{\pi}} \sin^{2}\theta \cos(2\varphi)
\end{align}</math>


= For New Main Page =
= For New Main Page =
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== What, Why, How, When ==
== What, Why, How, When ==


{|style="background-color:#ccccff;" cellpadding="5"
moved to main page (removed here)
|DEFINITION:
|'''[[About APM]]'''
|'''What''' APM is not and what it is.
|-
|MOTIVATION:
|[[Reasons for APM]]
| '''Why''' we need APM.
|-
|OBSTACLES:
|[[conceptual and institutional challenges]]
| '''What''' impedes progress towards APM.
|-
|APPROACH:
|[[Pathways to advanced APM systems|Pathways to advanced APM]]
|'''How''' we get to advanced APM.
|-
|PROGRESSION:
|[[Time till advanced APM]]
|'''When''' we will get to advanced APM?
|}
----
Also there are:
* the '''[[goals of this wiki]]''' and
* this wiki's [[APM:About|impressum]]
* related 3D printing projects: [[The DAPMAT demo project|educational illustration of various principles]]; [[ReChain project]]; [[RepRec project]]


== Pick your favorite concern ==
== Pick your favorite concern ==


This does not work because of ...<br>
This does not work because of ...<br>
[[Friction]] • [[Thermal motion]] • [[Thermodynamics]] • [[Fat finger problem|Fat fingers]] • [[Sticky finger problem|Sticky fingers]] • [[bootstrapping|Chicken egg problem]] • [[Nature does it differently]] • [[Quantum mechanics]]
[[Friction]] • [[Thermal motion]] • [[Thermal decay at room temperature]] ([[Thermodynamics]]) • [[Fat finger problem|Fat fingers]] • [[Sticky finger problem|Sticky fingers]] • [[bootstrapping|Chicken egg problem]] • [[Nature does it differently]] • [[Quantum mechanics]]


= For a new orientation page =
= For a new orientation page =


== The big picture – Tour by map ==
Moved to: [[Tour by map]]
{{wikitodo|improve formulation; match up with main chapters - replacing "template:Orientation" -- WANTED: two colum info-boxes with minithumbs and maybe circled numbers ❶ ①}}
 
[[File:Possibility_space_overview_-_original_size.svg|450px|thumb|right|Main article: "[[possibility space]]"<br>'''TODO: reformat to be more vertical and reformulate''']]
= Misc =
* (1) R&D with <br>(1a) untargeted research discovering more surprising pathway entry points <br>(1b) targeted engineering marching forward on identified pathway entry points;
 
* (2) [[Pathways to advanced APM systems|path]], especially [[incremental path]] with three technology levels ([[Technology level I|2a]],[[Technology level II|2b]],[[Technology level III|2c]]);
* [[Miscellaneous]]
* (3) target backward [[preparatory design]]
* [[Pages with math]]
* (4) far off target: [[Nanofactory|gem-gum factory]];
 
* (5a) [[gemstone based metamaterial]]s, <br>(5b) [[Products of advanced atomically precise manufacturing|advanced products]] and <br>(5c) more abstract consequences ([[Opportunities|good]] and [[Dangers|bad]])  hard to quantify and blurring into speculation
[[Category:Pages with math]]
* (green areas) [[Exploratory engineering]]. (dark green) known today.
 
= Refeencetests =
 
[https://www.mediawiki.org/wiki/Help:Cite References explained on the mediawiki wiki.]


=== (0) Introduction and overview ===
Referring to the same reference with its name: <ref name="refname1"/> <br>
Creating a reference plus it's name: <ref name="refname1"> Reference one with a link inside [[Main Page]] – [https://orf.at orf.at]</ref> <br>
See: This works in reverse too.


=== (1) Developing froward – current R&D ===
= PatreonBanner Template test =


=== (2) Possible pathways ===
{{PatreonBanner}}


=== (3) Developing backward – preparatory design ===
Embeddable button: [https://www.patreon.com/dashboard/widgets (offered here)]<br>
<a href="https://www.patreon.com/bePatron?u=3816093" data-patreon-widget-type="become-patron-button">Become a Patron!</a><script async src="https://c6.patreon.com/becomePatronButton.bundle.js"></script>


=== (4) The far term target – kind of targeted manufacturing devices – core exploratory engineering ===
= Misc tests =


=== (5a) The targeted kind of materials ===
Adding text on a local instance of this mediawiki.


=== (5b) Products, and effects – benefits and risks ===
= References =


{{wikitodo|maybe add 0$-OSHW sign to gem-gum-factory infobox}}
<references/>

Latest revision as of 23:44, 19 January 2026

Safe spaces for reprap wiki pre-writes – due to the logout time there being waaaaay to short

Testing image layouts

several images side by side – center:
the steep direct path
the long incremental path


several images side by side – on the right:
the steep direct path
the long incremental path

info-box-template snatched from Wikidata

Wanted: Better layout for main-page. => learn from Wikidata.


  {{{title}}}
{{{content}}}

Template:DocumentationTemplate:Protected

Test math

[math]\displaystyle{ \phi= \int_{-\pi}^{\pi}sin(x) dx }[/math]

For real p orbitals ℓ = 1

[math]\displaystyle{ \begin{align} Y_{1,-1} & = p_y = i \sqrt{\frac{1}{2}} \left( Y_1^{- 1} + Y_1^1 \right) = \sqrt{\frac{3}{4 \pi}} \cdot \frac{y}{r} = \sqrt{\frac{3}{4 \pi}} \sin( \theta) \sin \varphi \\ Y_{1,0} & = p_z = Y_1^0 = \sqrt{\frac{3}{4 \pi}} \cdot \frac{z}{r} = \sqrt{\frac{3}{4 \pi}} \cos( \theta) \\ Y_{1,1} & = p_x = \sqrt{\frac{1}{2}} \left( Y_1^{- 1} - Y_1^1 \right) = \sqrt{\frac{3}{4 \pi}} \cdot \frac{x}{r} = \sqrt{\frac{3}{4 \pi}} \sin( \theta) \cos \varphi \end{align} }[/math]

For real d orbitals ℓ = 2

[math]\displaystyle{ \begin{align} Y_{2,-2} & = d_{xy} = i \sqrt{\frac{1}{2}} \left( Y_2^{- 2} - Y_2^2\right) = \frac{1}{2} \sqrt{\frac{15}{\pi}} \cdot \frac{x y}{r^2} = \frac{1}{4} \sqrt{\frac{15}{\pi}} \sin^{2}\theta \sin(2\varphi) \\ Y_{2,-1} & = d_{yz} = i \sqrt{\frac{1}{2}} \left( Y_2^{- 1} + Y_2^1 \right) = \frac{1}{2} \sqrt{\frac{15}{\pi}} \cdot \frac{y \cdot z}{r^2} = \frac{1}{4} \sqrt{\frac{15}{\pi}} \sin(2 \theta) \sin \varphi \\ Y_{2,0} & = d_{z^2} = Y_2^0 = \frac{1}{4} \sqrt{\frac{5}{\pi}} \cdot \frac{3z^2 - r^2}{r^2} = \frac{1}{4} \sqrt{\frac{5}{\pi}} (3\cos^{2}\theta -1)\\ Y_{2,1} & = d_{xz} = \sqrt{\frac{1}{2}} \left( Y_2^{- 1} - Y_2^1 \right) = \frac{1}{2} \sqrt{\frac{15}{\pi}} \cdot \frac{x \cdot z}{r^2} = \frac{1}{4} \sqrt{\frac{15}{\pi}} \sin(2 \theta) \cos \varphi\\ Y_{2,2} & = d_{x^2-y^2} = \sqrt{\frac{1}{2}} \left( Y_2^{- 2} + Y_2^2 \right) = \frac{1}{4} \sqrt{\frac{15}{\pi}} \cdot \frac{x^2 - y^2 }{r^2} = \frac{1}{4} \sqrt{\frac{15}{\pi}} \sin^{2}\theta \cos(2\varphi) \end{align} }[/math]

For New Main Page

Don't fall pray to the prime distractions.

Whats new on this wiki?

Template:APMwiki news

Where we're at and where we're headed to.

Current state

Template:Cutting edge
(wiki-TODO: make cutting edge info-box with: sketch of structural DNA hinge mechanism & atom placement demo)
(wiki-TODO: add infobox with structural DNA hinge left and atom placement example right – plus contxt images?)

Far term target

A personal desktop gem-gum factory fabblet with dynamically deployed protective hood and anemone-arm fairy-hands.

The personal gem gum factory is:

  • Your personal device that can push out virtually every thing* of your daily use.
    (* at least every inedible thing)

The personal gem gum factory makes:

  • Your products that are as cheap as the abundant mining-free raw materials that it processes.
  • Your products that are far superior to today's best and ridiculously expensive high tech products.
  • Your products potentially in an environmentally friendly effluent free way
    (also advanced recycling is faster than producing from scratch)

(wiki-TODO: Nanofactory introduction infobox: both images need to go - (not anymore?)! make new better sketch of nanofactory - maybe add censored products pic - ditch or improve on covergent assemby)

What, Why, How, When

moved to main page (removed here)

Pick your favorite concern

This does not work because of ...
Friction • Thermal motion • Thermal decay at room temperature (Thermodynamics) • Fat fingers • Sticky fingers • Chicken egg problem • Nature does it differently • Quantum mechanics

For a new orientation page

Moved to: Tour by map

Misc

Refeencetests

References explained on the mediawiki wiki.

Referring to the same reference with its name: [1]
Creating a reference plus it's name: [1]
See: This works in reverse too.

PatreonBanner Template test

https://www.patreon.com/mechadense
https://www.patreon.com/mechadense

Support this wiki via Patreon. 🙏
Pages with recent activity documented on page: Logs.
For other possible ways to support see page: Support

Embeddable button: (offered here)
<a href="https://www.patreon.com/bePatron?u=3816093" data-patreon-widget-type="become-patron-button">Become a Patron!</a><script async src="https://c6.patreon.com/becomePatronButton.bundle.js"></script>

Misc tests

Adding text on a local instance of this mediawiki.

References

  1. ↑ 1.0 1.1 Reference one with a link inside Main Page – orf.at