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Bridging The Gap Between
The Micro & Macro Worlds (2nd Tale)!
Adarsh Ganesan, Ph.D.
adarsh.ganesan@cantab.net
12th January, 2019
We Deal With These Macro Worlds,
All The Time!
From Organic LEDs
To Flexible Electronics!
From Glues
To Paints!
From Traditional Products To Modern Applications!
And Why Did I Call These
‘Macro’ Worlds?
Because, Well Inside These Stuff, There
Exists Another World,
Which I Wanna Call ‘Micro’!
To Assess The Quality Of Products,
Both The Micro & Macro Worlds Should
Be Measured!
To Measure The Macro World,
We Have A Measurement Tool!
To Know More About The Measurement Tool, Search: Rheometer!
And, To Measure The Micro World,
We Also Have Measurement Techniques!
To Know More About The Measurement Techniques, Search: Microrheological Approaches!
But, In An Increasingly Competitive Global Economy,
The Gap Between The Micro & Macro
Can Also Become Increasingly Crucial
For Judicious Quality Control!
Micro! Macro!
But, To My Knowledge, There Is No Direct Measurement Standard Yet, To Fill This Gap Between Micro & Macro!
Can Mechanical Oscillations
Fill This Gap?
Micro! Macro!
Let Us See If
A Cambridge Physicist Can Be Of Help!
Sir George Stokes (1819-1903)
Stokes Says,
“Take A Mechanical Oscillator …
Sir George Stokes (1819-1903)
For Instance, A Violin String!
… Interface It With A Liquid …
Sir George Stokes (1819-1903)
Liquid
Sir George Stokes (1819-1903)
𝛿 =
𝜈𝑇
𝜋
𝛿
𝜈 is Viscosity of Liquid
𝑇 is Time Period Of
Mechanical Oscillation
… And The Waves Diminish After
A Distance 𝛿!”
π = 3.14 (approx.)
𝛿
By Tuning The Time Period Of Mechanical Oscillation (𝑇),
Your 𝛿 Can Be Made To Vary From
Nano To Millimeters!
𝛿 =
𝜈
𝜋
× 𝑇
Technical Note: The Spatial Resolution Of 𝛿 Is Set By ∆𝑇 And Is Chosen Such That
∆𝑇
𝑇
Is Always >>
∆𝜈
𝜈
!
𝛿
So, If 𝛿 Is Set In The Order Of Millimeters,
The Macro World
Can Be Probed
Through The Subtle Variations
In The Mechanical Oscillations!
𝛿
Alternatively, If 𝛿 Is Set In Tens To Hundreds Of Nanometers,
The Micro World Can Be Probed!
Hence, The Appropriate Manipulation Of Time Period
Of Mechanical Oscillations Can Straightforwardly
Enable Us To Establish The Link Between
Micro & Macro Worlds!
You May Wanna Read Our Paper: https://www.repository.cam.ac.uk/handle/1810/260611
If You Know Of Better Routes, Kindly Email Me @ adarsh.ganesan@cantab.net!
Hence, The Long-Standing Gap Between
The Micro & Macro Worlds Can Be Sealed
Using Mechanical Oscillators!
Micro! Macro!
So Come! Let Us Bridge The
Gap Between The Micro &
Macro Worlds!
In Future, With The Help Of Exotic MEMS/NEMS Structures And/Or Phenomena,
We Will Continuously Strengthen The Connection Between The Micro & Macro Worlds!

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Bridging The Gap Between The Micro And Macro Worlds! ​

  • 1. Bridging The Gap Between The Micro & Macro Worlds (2nd Tale)! Adarsh Ganesan, Ph.D. adarsh.ganesan@cantab.net 12th January, 2019
  • 2. We Deal With These Macro Worlds, All The Time! From Organic LEDs To Flexible Electronics! From Glues To Paints! From Traditional Products To Modern Applications!
  • 3. And Why Did I Call These ‘Macro’ Worlds?
  • 4. Because, Well Inside These Stuff, There Exists Another World, Which I Wanna Call ‘Micro’!
  • 5. To Assess The Quality Of Products, Both The Micro & Macro Worlds Should Be Measured!
  • 6. To Measure The Macro World, We Have A Measurement Tool! To Know More About The Measurement Tool, Search: Rheometer!
  • 7. And, To Measure The Micro World, We Also Have Measurement Techniques! To Know More About The Measurement Techniques, Search: Microrheological Approaches!
  • 8. But, In An Increasingly Competitive Global Economy, The Gap Between The Micro & Macro Can Also Become Increasingly Crucial For Judicious Quality Control! Micro! Macro! But, To My Knowledge, There Is No Direct Measurement Standard Yet, To Fill This Gap Between Micro & Macro!
  • 9. Can Mechanical Oscillations Fill This Gap? Micro! Macro!
  • 10. Let Us See If A Cambridge Physicist Can Be Of Help! Sir George Stokes (1819-1903)
  • 11. Stokes Says, “Take A Mechanical Oscillator … Sir George Stokes (1819-1903) For Instance, A Violin String!
  • 12. … Interface It With A Liquid … Sir George Stokes (1819-1903) Liquid
  • 13. Sir George Stokes (1819-1903) 𝛿 = 𝜈𝑇 𝜋 𝛿 𝜈 is Viscosity of Liquid 𝑇 is Time Period Of Mechanical Oscillation … And The Waves Diminish After A Distance 𝛿!” π = 3.14 (approx.)
  • 14. 𝛿 By Tuning The Time Period Of Mechanical Oscillation (𝑇), Your 𝛿 Can Be Made To Vary From Nano To Millimeters! 𝛿 = 𝜈 𝜋 × 𝑇 Technical Note: The Spatial Resolution Of 𝛿 Is Set By ∆𝑇 And Is Chosen Such That ∆𝑇 𝑇 Is Always >> ∆𝜈 𝜈 !
  • 15. 𝛿 So, If 𝛿 Is Set In The Order Of Millimeters, The Macro World Can Be Probed Through The Subtle Variations In The Mechanical Oscillations!
  • 16. 𝛿 Alternatively, If 𝛿 Is Set In Tens To Hundreds Of Nanometers, The Micro World Can Be Probed!
  • 17. Hence, The Appropriate Manipulation Of Time Period Of Mechanical Oscillations Can Straightforwardly Enable Us To Establish The Link Between Micro & Macro Worlds! You May Wanna Read Our Paper: https://www.repository.cam.ac.uk/handle/1810/260611 If You Know Of Better Routes, Kindly Email Me @ adarsh.ganesan@cantab.net!
  • 18. Hence, The Long-Standing Gap Between The Micro & Macro Worlds Can Be Sealed Using Mechanical Oscillators! Micro! Macro!
  • 19. So Come! Let Us Bridge The Gap Between The Micro & Macro Worlds! In Future, With The Help Of Exotic MEMS/NEMS Structures And/Or Phenomena, We Will Continuously Strengthen The Connection Between The Micro & Macro Worlds!