Let us define a "quantum of understanding" as the smallest collection of data needed to allow some fact to be understood, relative to a larger context. The previous sentence might qualify, even though it consists of a considerable number of quanta of other types (alphabet-letters and punctuation). Since we want quantized phenomena to be understood, we need them to be discuss-able.

One contribution toward that goal is located here:
http://www.quantiki.org/wiki/index.php/User:Vernonner3
Quite a few quanta are discussed there. Some may even be understandable.