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00:03:23
Join the Exploratorium's very own Ken Finn as he demonstrates fun activities, mixing up science with items found around the house.

00:09:30
TI program participant Mark Hespenheide presents an elegant illustration of free fall using string and paper clips.

0:52:28
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: disposable cups!

1:07:01
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: cups!