One of the first “roller-coaster” rides in the U.S. was actually a short coal railway in Pennsylvania that hauled coal downhill between mines and used mules to bring the empty cars back up the hill.

Roller coasters rely on two types of energy to operate: gravitational potential energy and kinetic energy. Gravitational potential energy is the energy an object has stored because of its mass and its ...

More than two dozen members of the Girl Scouts of Central Maryland came to Johns Hopkins University's Homewood campus Saturday to design and build miniature roller coasters out of cardboard boxes, ...

Students in an eighth-grade engineering class at Pleasantville Middle School constructed roller coasters using marbles, paper, popsicle sticks, tape and their critical-thinking skills. The young ...

Add Yahoo as a preferred source to see more of our stories on Google. When she was in seventh grade, Rogers State University junior Olivia Graham fell in love with science and math on a field trip.

CHARLESTON — Building a roller coaster is a “huge deal,” and the biggest challenge is turning a design into the real thing, Cameron Baer says. The Charleston Middle School eighth-grader was one of ...