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 ...

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.

With nothing but paper, tape, and a marble as a test vehicle, engineering students at Tyler ISD’s Career and Technology Center put their designs to the test, building roller coasters filled with loops ...