This result is counter to prevailing curriculum design theory and suggests increased interaction may actually diminish desired program reputation and growth.

FORBES: More Interaction In Online Courses Isn't Always Better

Although the theory that describes the interaction of quarks and gluons is on a firm conceptual footing, it is so complicated in practice that it can take years to make a single calculation of something like the shape of a proton even using the most powerful supercomputers.

ECONOMIST: Protons: Holey grail | The

Will Wright cited the theory of emergence the idea that complex systems arise out of the interaction of several simple things.

NEWYORKER: Master of Play