Mechanical metamaterial - Revision history

Apm: /* Related / added Display pixels to gem-gum voxels analogy

2026-06-22T12:56:10Z

← Older revision		Revision as of 14:56, 22 June 2026
Line 57:		Line 57:
	== Related ==		== Related ==

			* [[Display pixels to gem-gum voxels analogy]]
	* '''[[Digital control over matter]]'''		* '''[[Digital control over matter]]'''
	* '''[[Emulated elasticity]]'''		* '''[[Emulated elasticity]]'''

Apm: Category:Surprising facts

2026-03-29T20:27:05Z

Category:Surprising facts

← Older revision		Revision as of 22:27, 29 March 2026
Line 69:		Line 69:

	[[Category:Far term target]]		[[Category:Far term target]]
			[[Category:Surprising facts]]

Apm: Category:Far term target

2026-03-29T17:08:39Z

Category:Far term target

← Older revision		Revision as of 19:08, 29 March 2026
Line 67:		Line 67:

	* [https://en.wikipedia.org/wiki/Auxetics Auxetics] – one peculiar example of an nigh infinite amount of possibilities		* [https://en.wikipedia.org/wiki/Auxetics Auxetics] – one peculiar example of an nigh infinite amount of possibilities

			[[Category:Far term target]]

Apm: typofixes,spelling, & co

2025-08-07T11:00:27Z

typofixes,spelling, & co

← Older revision		Revision as of 13:00, 7 August 2025
Line 3:		Line 3:
	Mechanical metamaterials are materials that emulate mechanical properties through structuring at smaller size-scales. <br>		Mechanical metamaterials are materials that emulate mechanical properties through structuring at smaller size-scales. <br>
	This is relative. Mechanical metamaterials can have their base structures at all scales. <br>		This is relative. Mechanical metamaterials can have their base structures at all scales. <br>
	E.g. ~~Cainmaille~~ is crude, textiles are fine. For base structures at the nanoscale see: [[Gemstone based metamaterial]]		E.g. Chainmaille is crude, textiles are fine. For base structures at the nanoscale see: [[Gemstone based metamaterial]]

	Reversible assembly is highly desirable. <br>		Reversible assembly is highly desirable. <br>
Line 28:		Line 28:
	* Chainmaille		* Chainmaille
	* Textiles		* Textiles
	* many natural materials produced by living organisms (bones with structured voids, ~~naca~~ with layered protein and minerals, ...)		* many natural materials produced by living organisms (bones with structured voids, nacre with layered protein and minerals, ...)
	* .. there may be a few more that constitute whole different classes ??		* … (there may be a few more that constitute whole different classes)

	=== Future ===		=== Future ===

Apm: /* Some few more concrete examples */ added line-breaks & some fices

2023-12-05T07:25:21Z

Some few more concrete examples: added line-breaks & some fices

← Older revision		Revision as of 09:25, 5 December 2023
Line 42:		Line 42:
	=== Some few more concrete examples ===		=== Some few more concrete examples ===

	* (Passive) '''auxetic metamaterials:''' Metamaterials which use their non actuated internal structure to create a '''negative Poisson ratio'''. That is they expand transversally (sidewards) when stretched longitudinally (lengthwise) and they contract transversally when compressed longitudinally.		* (Passive) '''auxetic metamaterials:''' Metamaterials which use their non actuated internal structure to create a '''negative Poisson ratio'''. <br>That is they expand transversally (sidewards) when stretched longitudinally (lengthwise) and they contract transversally when compressed longitudinally.
	* Metamaterials with (clearly independent) internal degrees of freedom deliberately left under-constrained. If the structural pieces are sheet shaped and the hinges allow compression to complete collapse without destruction one ends up with [[origami]] structures. Note that metamaterials are by far not limited to [[origami]] structures. Such structures can ~~sbe~~ made active ~~just~~ by adding actuators independently ~~cation~~ on the ~~seperate~~ degrees of freedom.		* Metamaterials with (clearly independent) internal degrees of freedom deliberately left under-constrained. <br>If the small structural pieces are sheet shaped and the hinges allow compression to complete collapse without destruction one ends up with [[origami]] like structures. <br>Note that metamaterials are by far not limited to [[origami]] structures. <br>Such structures can be made active structures by adding actuators independently acting on the separate degrees of freedom.
	* Metamaterials using internal flexing or hinging to act as complex mechanisms / machines. Giving up on long range periodicity (translation symmetry) symmetry blurs the line to (nano)machinery and ([[Nanomechanical computation\|nano]])[[mechanical computation]]. What makes a metamaterial is the presence of at least a little bit of repetition.		* Metamaterials using internal flexing or hinging to act as complex mechanisms / machines. <br>Giving up on long range periodicity (translation symmetry) symmetry blurs the line to [[Nanomachinery\|(nano)machinery]] and ([[Nanomechanical computation\|nano]])[[mechanical computation]]. <br>What makes a metamaterial is the presence of at least a little bit of repetition.

	== Non-mechanical metamaterials ==		== Non-mechanical metamaterials ==

Apm: /* Future */

2023-12-05T07:19:03Z

Future

← Older revision		Revision as of 09:19, 5 December 2023
Line 33:		Line 33:
	=== Future ===		=== Future ===

	Future mechanical metamaterials based on [[gemstone like compounds]] (in particular based on [[base materials with high potential]])		Future mechanical metamaterials based on [[gemstone like compounds]] <br>
			(in particular based on [[base materials with high potential]])
	* [[gemstone based metamaterial]]s		* [[gemstone based metamaterial]]s

Apm: /* Related / added '''Emulated elasticity'''

2023-12-05T07:14:18Z

Related: added * '''Emulated elasticity'''

← Older revision		Revision as of 09:14, 5 December 2023
Line 57:		Line 57:

	* '''[[Digital control over matter]]'''		* '''[[Digital control over matter]]'''
			* '''[[Emulated elasticity]]'''
	* '''[[Metamaterial]]'''		* '''[[Metamaterial]]'''
	* [[Gemstone based metamaterial]]		* [[Gemstone based metamaterial]]

Apm: /* Examples for (mechanical) metamaterials: past, present, future */ moved over from general metamaterials page

2023-06-08T10:29:20Z

Examples for (mechanical) metamaterials: past, present, future: moved over from general metamaterials page

← Older revision		Revision as of 12:29, 8 June 2023
Line 38:		Line 38:
	Many unusual properties are (will be) possible. <br>		Many unusual properties are (will be) possible. <br>
	For more examples see: [[Metamaterial#Examples]]		For more examples see: [[Metamaterial#Examples]]

			=== Some few more concrete examples ===

			* (Passive) '''auxetic metamaterials:''' Metamaterials which use their non actuated internal structure to create a '''negative Poisson ratio'''. That is they expand transversally (sidewards) when stretched longitudinally (lengthwise) and they contract transversally when compressed longitudinally.
			* Metamaterials with (clearly independent) internal degrees of freedom deliberately left under-constrained. If the structural pieces are sheet shaped and the hinges allow compression to complete collapse without destruction one ends up with [[origami]] structures. Note that metamaterials are by far not limited to [[origami]] structures. Such structures can sbe made active just by adding actuators independently cation on the seperate degrees of freedom.
			* Metamaterials using internal flexing or hinging to act as complex mechanisms / machines. Giving up on long range periodicity (translation symmetry) symmetry blurs the line to (nano)machinery and ([[Nanomechanical computation\|nano]])[[mechanical computation]]. What makes a metamaterial is the presence of at least a little bit of repetition.

	== Non-mechanical metamaterials ==		== Non-mechanical metamaterials ==

Apm: /* Non-mechanical metamaterials */

2023-06-08T10:27:16Z

Non-mechanical metamaterials

← Older revision		Revision as of 12:27, 8 June 2023
Line 46:		Line 46:
	* [[Thermal metamaterial]]		* [[Thermal metamaterial]]
	* [[Electrical metamaterials]]		* [[Electrical metamaterials]]
	* ... many more		* ... many more other types of [[metamaterial]]s

	== Related ==		== Related ==

Apm: /* Non-mechanical metamaterials */

2023-06-08T10:26:34Z

Non-mechanical metamaterials

← Older revision		Revision as of 12:26, 8 June 2023
Line 46:		Line 46:
	* [[Thermal metamaterial]]		* [[Thermal metamaterial]]
	* [[Electrical metamaterials]]		* [[Electrical metamaterials]]
			* ... many more

	== Related ==		== Related ==

Mechanical metamaterial - Revision history

Apm: /* Related */ added * Display pixels to gem-gum voxels analogy

Apm: Category:Surprising facts

Apm: Category:Far term target

Apm: typofixes,spelling, & co

Apm: /* Some few more concrete examples */ added line-breaks & some fices

Apm: /* Future */

Apm: /* Related */ added * '''Emulated elasticity'''

Apm: /* Examples for (mechanical) metamaterials: past, present, future */ moved over from general metamaterials page

Apm: /* Non-mechanical metamaterials */

Apm: /* Non-mechanical metamaterials */

Apm: /* Related / added Display pixels to gem-gum voxels analogy

Apm: /* Related / added '''Emulated elasticity'''