This is fine for making uniform materials, but not so good if detailed structure is required which is where the colloids come in.

ECONOMIST: A new way to build complicated materials, micron by micron

But it's one thing to put people in uniform, and another thing to have clear command structure, or the capacity to move troops from point A to point B, or the capacity to make sure that the troop carrier from point A to point B has got the necessary air in its tires or oil in its engine.

NPR: Maliki Assures Bush on Iraqi Force's Readiness