Threshold knowledge is a term in the study of higher education used to describe “core concepts that once understood, transform perception of a given subject” or one can describe individual threshold concepts. The theory was introduced by Jan Meyer and Ray Land, who have published frequently on it. Meyer and Land also discuss the related idea of troublesome knowledge, ideas that appear alien or counter-intuitive.
History of mankind by Milo Manara.
Which is which?
BTW Sandman is an excellent comic so far
A friend of mine sent me this article last night and it pissed me off. This morning I decided to write an open response:
There is no denying that the Tenderloin is a rough neighborhood. The poverty, drug peddling,…