07-02-2021, 02:24 AM
(This post was last modified: 07-02-2021, 05:37 PM by KnifeGrinders.)
The COVID-19 Coronavirus is a relatively large virus, 100 nanometers in diameter
![[Image: coronavirus_size.jpg]](http://knifegrinders.com.au/photos/coronavirus_size.jpg)
a 100-nanometer edge scores 50 BESS, this is the apex diameter of the Gillette razor.
When your knife edge scores less than 50 BESS, its width at the very apex is less than the size of the single coronavirus.
When I realised that, I find it quite fascinating.
My last video shows a knife edge that is half the size of this virus, and what this edge can do:
![[Image: coronavirus_size.jpg]](http://knifegrinders.com.au/photos/coronavirus_size.jpg)
a 100-nanometer edge scores 50 BESS, this is the apex diameter of the Gillette razor.
When your knife edge scores less than 50 BESS, its width at the very apex is less than the size of the single coronavirus.
When I realised that, I find it quite fascinating.
My last video shows a knife edge that is half the size of this virus, and what this edge can do:
http://knifeGrinders.com.au

