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.

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.

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 ...

When the weekly hang is in the William Pennington Engineering Building and the conversation is about gravitational force and laws of motion, then the friend group is the Roller Coaster Club. “I wanted ...

Add Yahoo as a preferred source to see more of our stories on Google. Students in an eighth-grade engineering class at Pleasantville Middle School constructed roller coasters using marbles, paper, ...