Product Information

Gravityʼs Rainbow launches five small balls into five rubber cups with amazing
accuracy. The exhibit employs a steel raceway, whose angle can be adjusted up or
down, to vary the distance each ball travels. A catch mechanism holds each ball in
place along the rail; when the catch is released all the balls are launched off the end
of the rail. If the rubber cups are set in the proper position they catch each ball which
proves that the arc of each ball is predictable. It is possible to move the launch point
of each of the five balls and the position of each of the five cups. One can
experiment with all elements of the exhibit: the angle of the rail, the number of balls,
and the launch and landing points of the balls.

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