A hyperbole is an exgrarrted statement. This is common in poetry, fairytales, and folklore because most of the times these stories are made to entertain and not be literal. Some Examples:
My garden is as big as a football field.
<span>I am so hungry I could eat a horse
.I had a ton of chores to do.
<span>If I can't get a Smartphone, I will die.</span></span>
the answer is:
1.)Skilled workers were less necessary.
2.)Fewer tasks needed to be done by hand.
3.)Inventions made production less time consuming.
Psycho-Physics as a discipline within the psychology began with the work Elemente de Psychophysics ( Elements Of Psychophysics ), written by German philosopher and physicist Gustav theodor Fechner. He actually aimed at developing a method that relates mind ( psych ) to matter ( physics ). So Psychophysics is the scientific study of the relation between stimulus and sensation.
One reason is it helped promote exploration.
Another is communication was faster.
And people learned more about exploration.