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Nine Aim High students explore shadows and light, and build their own energy machines over the Spring of 2001. In this webcast, the students look at things that glow in both the area of physics and the area of biology. Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. This week’s “secret” ingredient: popsicle sticks!