STEM event spurs interest in engineering for Harlem schoolchildren

Fourth-grade students shrieked in glee as they shot handmade rockets, built earthquake-resistant houses with candy and designed fire extinguishers with Legos. For one day, the Engineering Quadrangle at Princeton University became a scientific playground as more than 80 students from Harlem Prep Elementary School in New York City learned about the field of engineering and how it benefits society.