You don’t need a multibillion-dollar supercollider to detect subatomic particles. In fact, you can build a working cloud chamber—a device capable of revealing the cosmic radiation and radon decay events that go on continuously around us—with just a block of dry ice, some rubbing alcohol, and a few objects you probably already have in your kitchen. What’s more, constructing the cloud chamber only takes about an hour, making it an ideal project for an introductory physics class, for intellectually engaged nonscientists, or even for curious kindergartners (with some adult supervision!). In this interview, engineering professor Anne White discusses the pedagogical usefulness of such hands-on activities—and at the other end of the spectrum, she describes her enthusiasm for a much, much larger physics project, the decades-long effort to put nuclear fusion to practical use as a source of clean power for the world. The interview also touches on Prof. White’s experience of mentorship, both as mentee in her youth and as mentor now, and on the formative influence of childhood toys in paving the way for the kind of creative goal-driven tinkering that nuclear scientists and engineers practice.
Relevant Resources:
Professor White’s faculty page
22.011 Nuclear Engineering: Science, Systems and Society on MIT OpenCourseWare
PBS NOVA video on making a kitchen cloud chamber
Music in this episode by Blue Dot Sessions
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Credits
Sarah Hansen, host and producer
Brett Paci, producer
Dave Lishansky, producer
Jackson Mayer, producer
Show notes by Peter Chipman
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