Thank you. I recall the Japanese story, and that there were reports that there were VISIBLE contaminants, which was why they tested it.
I wonder at what point (regardless of size), the change in color or reflectivity is visibly seen in solution by the naked eye. Perhaps up against light behind it, or behind you (the viewer), or against a contrasting color backdrop.
Thank you. I recall the Japanese story, and that there were reports that there were VISIBLE contaminants, which was why they tested it.
I wonder at what point (regardless of size), the change in color or reflectivity is visibly seen in solution by the naked eye. Perhaps up against light behind it, or behind you (the viewer), or against a contrasting color backdrop.
Thank you. I recall the Japanese story, and that there were reports that there were VISIBLE contaminants, which was why they tested it.
I wonder at what point (regardless of size), the change in color or reflectivity is visibly seen in solution by the naked eye. Perhaps up against light behind it, or behind you (the viewer), or against a contrasting color backdrop.