1 For example, flywheels are used in reciprocating engines because the energy source, torque from the engine, is intermittent. 2  Delivering energy at rates beyond the ability of a continuous energy source.
CongresswomanTammy Duckworth is a new mom. She gave birth to a baby girl named Abigail Tuesday. It is the first child for the 46-year-old Duckworth and her husband Bryan. Because of her age and injuries as an Iraq War veteran, Duckworth's pregnancy was considered high-risk. Go Search
Duckworth is the second Asian-American woman serving in the U.S. Senate after Mazie Hirono and next to Kamala Harris. An Iraq War veteran, Duckworth served as a U.S. Army helicopter pilot and suffered severe combat wounds, losing both of her legs and damaging her right arm.