Control theory is a branch of mathematics and engineering, which defines the conditions needed for a system to maintain a controlled output in the face of input variation. Classically developed ...

EAST FALLOWFIELD TOWNSHIP, Pa. (KDKA) — An Amish boy was fatally shot in Western Pennsylvania while hunting chipmunks with his friends over the weekend, state police said. Troopers said they ...

MEADVILLE, Pa. (Gray News) – An 11-year-old Amish child was shot in the head while chipmunk hunting with friends Saturday, according to a police report from Pennsylvania State Police. Members of the ...

CRAWFORD COUNTY, Pa. — An 11-year-old was accidentally shot while hunting for chipmunks in Crawford County. Pennsylvania State Police in Meadville said dispatchers alerted troopers of an 11-year ...

MEADVILLE — Three young members of a Crawford County Amish community were hunting chipmunks over the weekend when a shot fired from a .22-caliber rifle struck an 11-year-old boy in the head ...