What is a Machine?
"A machine is a device that does a physical task. Some machines make moving or lifting things easier. Other machines carry people from place to place. Yet other machines help in building or making things." - Britannica Kids
What's a Rube Goldberg Machine?
"A Rube Goldberg machine is a contraption that uses a chain reaction to carry out a simple task. It performs a very basic job in a complicated way." - Wonderopolis.org
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