Brachistochrone ramp

Brachistochrone ramp comparison. Helps students visualize the least time path down...the "holder" print simply lets you start all three ball bearings at the same time. Comes with a drawer to hold the ball bearings. For a slow-motion movie of the ramp in action visit
http://mjcrescimanno.people.ysu.edu/research/brachistochrone.mov

By
Donald Cutrer, Jacob Smotzer and 'DocPhoton' M. Crescimanno