Principle 15. Dynamics

1. Allow (or design) the characteristics of an object, external environment, or process to change to be optimal or to find an optimal operating condition.
   Adjustable steering wheel (or seat, or back support, or mirror position...)
2. Divide an object into parts capable of movement relative to each other.
   The "butterfly" computer keyboard, (also demonstrates Principle 7, "Nested doll".)
3. If an object (or process) is rigid or inflexible, make it movable or adaptive.
   The flexible boroscope for examining engines
   The flexible sigmoidoscope, for medical examination.