To a nonmathematician, having the letter "i" represent a number that does not quite exist and is "imaginary" can be hard to ...

Abstract: This paper presents a combined observer-controller for nonholonomic mobile robots with the immeasurable direction angle. To conquer the local stability caused by the dynamic feedback ...

Ja Rule struggled to get through his speech at Irv Gotti’s funeral following the Murder Inc. co-founder’s sudden death. The “Put It on Me” rapper, 48, choked up as he delivered a heartfelt ...

In high school, you may have encountered the quadratic formula, which gives solutions to equations where the unknown variable is squared. Maybe your high school teacher didn’t want to deal with ...

President Donald Trump’s order targeting Paul, Weiss, Rifkind, Wharton & Garrison late Friday may inflict significant damage to the New York law firm, both in client matters and in a larger ...

it seemed likely to produce a modest decision saying merely that a key civil rights law applied equally to all employees. Indeed, the argument was notable for what Justice Neil M. Gorsuch called ...

Maintaining a uniformed look can add a level of professionalism to a team, but the rule against facial hair essentially only limited self-expression. Over the years, players who sported long ...