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.

Bring the excitement of a theme park into your home by building a marble roller coaster. Bring the excitement of an amusement park into your home by building a marble roller coaster. The motion of ...

SpaceRail Marble Roller Coaster Level 1.1 Build Review! Dan at Squirrel Stampede checks out and builds a Spacerail Marble Roller Coaster, much like the one from his past! Watch as Tiny Steel Marbles ...