Jessica Alba looks ravishing in a black off-shoulder fishtail gown at the Red Sea Film Festival. The fifth edition of the famed festival kicked off in Jeddah on Thursday, December 4, and runs through ...

Reaction wheels are useful things, typically used by satellites to keep themselves oriented the right way up in space. Turning the reaction wheel creates an equal and opposite torque in the spacecraft ...

Aaron Hankin is currently working for Dow Jones MarketWatch. He has 10+ years of professional experience in the financial markets. The U.S. economy seems to be doing fine. Growth, for the most part ...

Abstract: An inverted, or flipped, classroom, where content delivery includes video lectures watched outside of the classroom, is a method that can free classroom time for learner-centered activities ...

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Developed from the DB-600 engine first produced in November 1937, the DB-600 series was used primarily in Messerschmitt Bf 109 and Bf 110 fighters. In 1939, a Messerschmitt 209V1, using a DB-605ARJ ...

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 ...