New York Mayor Bill de Blasio, center left, listens to Con Ed President Tim Cawley, Sunday, July 14, 2019, as the mayor visits the site of Saturday night's power outage, on New York's Upper West Side.

A relay protection system that should have isolated a faulty distribution cable but didn't led to the loss of power that darkened Manhattan for several hours, Con Ed said Monday in a preliminary ...

The real core of engineering, in addition to technical expertise, is the ability to articulate the inevitable tradeoffs and pros/cons of design alternatives, and then weigh these relative to each ...