Technical Notes on Video:

Video length is 1:15:14.

John Durant, Director, MIT Museum, opens the session, announces future Museum events, and then introduces Jefferson Tester.

At 2:30, Tester begins.

At 8:53 and 18:48, Tester answers questions briefly, and then resumes his talk.

At 24:29, Durant asks audience members at the Museum and online to prepare questions for Tester, and then reads some of the questions.

At 29:00, Tester responds to these questions, and to additional ones from the audience.

These questions include:

What technologies are needed to drill to deep depths;
What dangers are there in breaking rocks up or releasing pressure deep underground;
What is the rationale for investing in engineered geothermal systems;
What is the lifespan of a geothermal reservoir;
How does geothermal energy measure up in terms of costs involved and energy yield;
Does this technology pose dangers by releasing radioactive water;
Can this technology be used to deal with threats from volcanoes;
What has the political reaction been to the Department of Energy geothermal report?