This is superficial knowledge but sufficient for this post
Piano tuners can distinguish 1/100th and beyond cps of a specific frequency.
Artists can draw straight lines and perfect circles; freehand.
Car painters can blend paint to some mysterious chromatic degree.
Mel Gibson can shoot smilies at 30 yds.
Ok, overshot that a little. Point is drill the skill. Train the brain. God created man in his own image.
oops...
Not.
It's a hologram.
Ok that tuner claim is rong.
https://en.wikipedia.org/wiki/Cent_(music)
