Scientists still know very little about how early embryos develop, due to their small size (
the width of a hair) and inaccessibility in the womb.
These extra dimensions would be imperceptible in our macro world but might have a detectable influence on gravity at scales of less than
the width of a hair.
However, our eyes can not see something much less than
the width of a hair (about a tenth of a millimeter) without the aid of a magnifying device.
«These aggregates are organized as fibers that are 500 times smaller than
the width of a hair, which is quite a challenge.»
The spacing must be accurate to the nearest 0.05 micrometres — one - thousandth
the width of a hair.
And so they are around ten microns in size, and
the width of your hair is around a hundred microns, so about the tenth of the width of a hair,» stated Mullen.
Each brain slice is approximately 70 microns thick, about
the width of a hair.
From my quick research on nanoparticles, it seems to me that the problem is that because they are so tiny (line up 10,000 of them to get
the width of a hair), they easily pass through the human skin barrier, get into the circulatory system, and cause havoc in unsuspecting victims.
Snag a strand of hair and divide
the width of the hair 100,000 times... that small.