The steady-state characteristics of a synchronous motor represented by phasor diagrams are shown as function of the load P with the excitation voltage E kept constant.The power expression is P = I V cos(;) = E V sin(;) /...

Sustainability has become a popular buzzword in the past few years, yet it can be a puzzling term to some who encounter it. In the words of this American Public Media site, "it's about meeting the needs of the present...

This video lecture explores the chemistry of the hordes of molecules in the interstellar medium revealed by radioastronomical observations of our galaxy. Extremely fast reactions result in the high abundance of complex...

The Fields Institute for Research in Mathematical Sciences aims to "enhance mathematical activity in Canada by bringing together mathematicians from Canada and abroad, and by promoting contact and collaboration between...

This radio broadcast features an interview with a herpetologist who studies the native toads of the Sonoran Desert and an invasive species from the east, the American bull frog. The herpetologist, Dr. Cecil Schwalbe,...