Simple machines make work easier to do. But how? Join Joan at the Discovery Center of Idaho as she tries various experiments with simple machines. Science Trek is available to stream on pbs.org and ...

Simple machines make work easier, not less work, says Rick Crosslin, scientist. He joined us today to demonstrate how simple machines work. In our case, Randy was the “load” and Amber was the “effort.

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Find out how simple machines impact your daily life on this Science Trek: The Web Show. In this Science Trek: The Web Show, Host Joan Cartan-Hansen and her guest scientists John Gardner, Boise State ...