Fashion remains an unpredictable beast: allergic to certainty, resistant to logic, and most alive precisely when it’s busy proving everyone wrong.

John James was 25 years old and had no experience with children when he started as a child welfare caseworker in Mobile, Ala. He was almost immediately out of his depth. “I walked in the door, right ...

Abstract: In this paper, the dynamic model of a wheeled inverted pendulum (e.g., Segway, Quasimoro, and Joe) is analyzed from a controllability and feedback linearizability point of view. First, a ...