Lower stiffness of smaller machinery - Revision history

Apm: /* Related / added Why MD simulations can't simulate proposed speeds for diamondoid nanomachinery

2026-04-27T08:49:31Z

← Older revision		Revision as of 10:49, 27 April 2026
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	* '''[[Same relative deflections across scales]]'''		* '''[[Same relative deflections across scales]]'''
			* [[Why MD simulations can't simulate proposed speeds for diamondoid nanomachinery]]
	----		----
	* '''[[How macroscale style machinery at the nanoscale outperforms its native scale]]'''		* '''[[How macroscale style machinery at the nanoscale outperforms its native scale]]'''

Apm: fro => for

2026-04-27T08:44:53Z

fro => for

← Older revision		Revision as of 10:44, 27 April 2026
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	which is not coolable in dense bulk aggregates of nanomachinery. <br>		which is not coolable in dense bulk aggregates of nanomachinery. <br>
	These speeds are the ones typically (misleadingly) seen in molecular dynamics simulations <br>		These speeds are the ones typically (misleadingly) seen in molecular dynamics simulations <br>
	due to [[Why MD simulations can't simulate proposed speeds ~~fro~~ diamondoid nanomachinery.\|limitations stemming from technical details]].		due to [[Why MD simulations can't simulate proposed speeds for diamondoid nanomachinery.\|limitations stemming from technical details]].

	== Nano-strut Example ==		== Nano-strut Example ==

Apm: /* Diamond in nanomachinery: Jelly soft but paradoxically wobbling less than steel in macroscale machinery */ improvements

2026-04-25T13:30:11Z

Diamond in nanomachinery: Jelly soft but paradoxically wobbling less than steel in macroscale machinery: improvements

← Older revision		Revision as of 15:30, 25 April 2026
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	But very importantly '''diamondoid nanomachine parts do not at all start wobbling like jelly''' <br>		But very importantly '''diamondoid nanomachine parts do not at all start wobbling like jelly''' <br>
	when run at typical operation speeds of a few mm/s or even fast and ~~very~~ hot at few m/s<br>		when run at typical operation speeds of a few mm/s (or even fast and hot at few m/s)<br>
	as the forces from motions shrink at the same (linear) rate as the stiffnesses shrink. <br>		as the forces from motions shrink at the same (linear) rate as the stiffnesses shrink. <br>
	See pages: [[Same relative deflections across scales]] and [[misleading aspects in animations of diamondoid molecular machine elements]] <br>		See pages: [[Same relative deflections across scales]] and [[misleading aspects in animations of diamondoid molecular machine elements]] <br>
	It only gets wobbly when ~~100s~~ of m/s (not coolable in bulk) ~~as is a typical artifact of~~ molecular dynamics simulations.		It only gets seriously wobbly when run at very extreme speeds of hundreds of m/s <br>
			which is not coolable in dense bulk aggregates of nanomachinery. <br>
			These speeds are the ones typically (misleadingly) seen in molecular dynamics simulations <br>
			due to [[Why MD simulations can't simulate proposed speeds fro diamondoid nanomachinery.\|limitations stemming from technical details]].

	== Nano-strut Example ==		== Nano-strut Example ==

Apm: /* Example numbers */ added headlines

2026-04-25T13:21:58Z

Example numbers: added headlines

← Older revision		Revision as of 15:21, 25 April 2026
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	Or colloquially: 1kg/dm or 100g/cm. <br>		Or colloquially: 1kg/dm or 100g/cm. <br>
	This is how incredibly soft diamond gets at the nanoscale. <br>		This is how incredibly soft diamond gets at the nanoscale. <br>

			== Diamond in nanomachinery: Jelly soft but paradoxically wobbling less than steel in macroscale machinery ==

	But very importantly '''diamondoid nanomachine parts do not at all start wobbling like jelly''' <br>		But very importantly '''diamondoid nanomachine parts do not at all start wobbling like jelly''' <br>
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	See pages: [[Same relative deflections across scales]] and [[misleading aspects in animations of diamondoid molecular machine elements]] <br>		See pages: [[Same relative deflections across scales]] and [[misleading aspects in animations of diamondoid molecular machine elements]] <br>
	It only gets wobbly when 100s of m/s (not coolable in bulk) as is a typical artifact of molecular dynamics simulations.		It only gets wobbly when 100s of m/s (not coolable in bulk) as is a typical artifact of molecular dynamics simulations.

			== Nano-strut Example ==

	For 10cm long macroscale strut with same aspect ratio (thus 1cm² cross section) that would be a pretty darn low spring constant. <br>		For 10cm long macroscale strut with same aspect ratio (thus 1cm² cross section) that would be a pretty darn low spring constant. <br>

Apm: /* Example numbers – Jelly indeed */ added note on nanomachines not behaving like jelly

2026-04-25T13:18:34Z

Example numbers – Jelly indeed: added note on nanomachines not behaving like jelly

← Older revision		Revision as of 15:18, 25 April 2026
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	Main page: [[Scaling of speeds]]		Main page: [[Scaling of speeds]]

	= Example numbers ~~– Jelly indeed~~ =		= Example numbers =

	Example numbers for diamond [[crystolecule]] strut:		Example numbers for diamond [[crystolecule]] strut:
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	Or colloquially: 1kg/dm or 100g/cm. <br>		Or colloquially: 1kg/dm or 100g/cm. <br>
	This is how incredibly soft diamond gets at the nanoscale. <br>		This is how incredibly soft diamond gets at the nanoscale. <br>

			But very importantly '''diamondoid nanomachine parts do not at all start wobbling like jelly''' <br>
			when run at typical operation speeds of a few mm/s or even fast and very hot at few m/s<br>
			as the forces from motions shrink at the same (linear) rate as the stiffnesses shrink. <br>
			See pages: [[Same relative deflections across scales]] and [[misleading aspects in animations of diamondoid molecular machine elements]] <br>
			It only gets wobbly when 100s of m/s (not coolable in bulk) as is a typical artifact of molecular dynamics simulations.

	For 10cm long macroscale strut with same aspect ratio (thus 1cm² cross section) that would be a pretty darn low spring constant. <br>		For 10cm long macroscale strut with same aspect ratio (thus 1cm² cross section) that would be a pretty darn low spring constant. <br>

Apm: /* Related */

2026-03-29T20:45:06Z

← Older revision		Revision as of 22:45, 29 March 2026
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	* '''[[Applicability of macro 3D printing for nanomachine prototyping]]'''		* '''[[Applicability of macro 3D printing for nanomachine prototyping]]'''
	* [[Macroscale style machinery at the nanoscale]]		* [[Macroscale style machinery at the nanoscale]]
	* [[Natural scaling of absolute speeds]]		* [[Natural scaling of absolute speeds]] = [[Same absolute speeds for smaller machinery]]
	* '''[[Scaling law]]'''		* '''[[Scaling law]]'''
	* [[Same absolute speeds for smaller machinery]]
	* [[Stiffness]]		* [[Stiffness]]
	----		----

Apm: Category:Surprising facts

2026-03-29T20:42:54Z

Category:Surprising facts

← Older revision		Revision as of 22:42, 29 March 2026
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	[[Category:Pages with math]]		[[Category:Pages with math]]
	[[Category:Scaling law]]		[[Category:Scaling law]]
			[[Category:Surprising facts]]

Apm: /* Related */

2025-01-10T09:37:30Z

← Older revision		Revision as of 11:37, 10 January 2025
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	[[Intuitive feel]] related:		[[Intuitive feel]] related:
	* [[The feel of atoms]] – about what "diamond getting jelly soft" intuitively means		* [[The feel of atoms]] – about what "diamond getting jelly soft" intuitively means
	* [[A better intuition for diamondoid nanomachinery than jelly]]		* '''[[A better intuition for diamondoid nanomachinery than jelly]]'''

	== Off-topic ==		== Off-topic ==

Apm: /* Related / added A better intuition for diamondoid nanomachinery than jelly

2025-01-10T09:28:58Z

← Older revision		Revision as of 11:28, 10 January 2025
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	[[Intuitive feel]] related:		[[Intuitive feel]] related:
	* [[The feel of atoms]] – about what "diamond getting jelly soft" intuitively means		* [[The feel of atoms]] – about what "diamond getting jelly soft" intuitively means
			* [[A better intuition for diamondoid nanomachinery than jelly]]

	== Off-topic ==		== Off-topic ==

Apm: /* Related */

2024-10-18T19:15:47Z

← Older revision		Revision as of 21:15, 18 October 2024
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	* '''[[Same relative deflections across scales]]'''		* '''[[Same relative deflections across scales]]'''
			----
	* '''[[How macroscale style machinery at the nanoscale outperforms its native scale]]'''		* '''[[How macroscale style machinery at the nanoscale outperforms its native scale]]'''
	* '''[[Applicability of macro 3D printing for nanomachine prototyping]]'''		* '''[[Applicability of macro 3D printing for nanomachine prototyping]]'''

Lower stiffness of smaller machinery - Revision history

Apm: /* Related */ added * Why MD simulations can't simulate proposed speeds for diamondoid nanomachinery

Apm: fro => for

Apm: /* Diamond in nanomachinery: Jelly soft but paradoxically wobbling less than steel in macroscale machinery */ improvements

Apm: /* Example numbers */ added headlines

Apm: /* Example numbers – Jelly indeed */ added note on nanomachines not behaving like jelly

Apm: /* Related */

Apm: Category:Surprising facts

Apm: /* Related */

Apm: /* Related */ added * A better intuition for diamondoid nanomachinery than jelly

Apm: /* Related */

Apm: /* Related / added Why MD simulations can't simulate proposed speeds for diamondoid nanomachinery

Apm: /* Related / added A better intuition for diamondoid nanomachinery than jelly