The technology section illustrates how science permeates daily life. Manipulate levers and gears to better understand how simple machines work, and learn a little physics in the process. Experiment with a number of scientific principles to improve the performance of a car you design, build, and race on a 14-foot track in the Race Car Challenge. Play with the properties of plastics, browse gallery-related websites, delve into the interactive computer program The Way Things Work, and explore the history of scientific discoveries in transportation,