What is produced by means one does not understand, and may consider
There is a lot of magic in reality in this sense, for there are many things
one does not really understand, even if one does not know this.
One relevant sense of "magic" in both philosophy and psychology is
that of conjuring: There are professionals (and amateurs) who like to
astound audiences by producing intentional
illusions. They also call themselves "magicians" or "illusionists",
and normally insist that their art is one of deception, while keeping the
tricks of their trade secret, since they make money by astounding
people by producing beautiful or amusing or amazing illusions.
Quite often the general public including reputable scientists have been
tricked by what were in fact conjurors and con-men, who posed as if
they were miracle-workers, with superhuman powers or rare abilities, like the
reading of minds, ESP, the bending of metal by
thought power etc. A recent famous fraudulent hoaxer was Uri Geller.
Also, considerable amounts of supposed ESP, even such as "witnessed" and
supported by reputable scientists, was in fact produced by conjuring methods
or other means of intentional deceit or falsification.
Some of the books of Martin Gardner - "Fads and Fallacies in the
Name of Science", and "Science: Good, Bad, Bogus" are both fun to
read and quite instructive about human gullibility and conmanship.