For more than two millennia, mathematicians have produced a growing heap of pi equations in their ongoing search for methods to calculate pi faster and faster. The pile of equatio ...

Celebrate Pi Day and read all about how this number pops up across math and science on our special Pi Day page. Grab something circular, like a cup, measure the distance around the circle, and divide ...

Abstract: Efficient obstacle avoidance while controlling unmanned maritime vehicles (UMVs) is an important topic. Evading obstacles that are both time-varying and shapechanging, such as avoiding ...

Timothy M. Henry has qualified for the Circle of Success annual recognition program at Ameriprise Financial Services LLC, Johnstown. He is a private wealth adviser with the Henry Group, a private ...

Abstract: Forced oscillation (FO) source identification prevents the impending threat to power system security. This article proposes a methodology to accurately estimate FO frequency for source ...