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A behind-the-scenes look at how the world's only antimatter factory works, complete with live footage from CERN and a virtual reality tour of the antimatter decelerator. In this Webcast, Rob Semper and Ron Hipschman talk with Melissa Alexander and Thomas Humphrey, who join them virtually from Switzerland.

Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers have ten minutes to create a science activity. This week’s “secret” ingredient: coins!