"Science brings new words into our language and it constantly changes
our mode of living. Electrical science probably has made the greatest
changes in our world within the last fifty years. It has made us more
comfortable, healthier, made our days longer, given us many pleasures.
It has brought us the telephone, radio, electric lights, motors, sound
pictures, television, new materials, medicines, and a host of other
"And all of these wonders have been invented and perfected by men
who did not know what electricity is.
"No one knows what electricity is. There have been many theories
or attempts to explain what this mysterious force may actually be,
but all of them have been mere guesses and cannot be proven." (p. 13)
— The Boy Electrician, by Alfred P. Morgan (Boston: Lothrop, Lee &
Shepard Co.) 1940. Reprinted by Lindsay Publications Inc, Bradley IL, 1995.