YORK COUNTY, Pa. — Six thousand elementary school students catapulted into STEAM on May 2 with a friendly competition to build the craftiest catapult. Students from first through third grades spent ...
Chandler Wallace, left, and Brady Bales watch a tomato launch as Central High School's STEM class tries out catapults and trebuchets that they made in class on April 31, 2015. Central High School's ...