Sharp edges don’t reflect any light visible to the naked eye, but it’ll show up on an illuminated microscope.
The edge width is on par with the wavelength of light at ~300-500 nanometers at best
Sharp edges don’t reflect any light visible to the naked eye, but it’ll show up on an illuminated microscope.
The edge width is on par with the wavelength of light at ~300-500 nanometers at best