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The 70th anniversary of the bombings of Hiroshima and Nagasaki will be Aug 6 and 9. Write a letter to the editor or join a social media Thunderclap to support disarmament.

Video: Marco Kaltofen on Airborne Radiation Spread

Interview with Marco Kaltofen, PE, Worcester Polytechnic Institute, about his research studying airborne radioactive particles from Fukushima and the Hanford Nuclear Reservation.

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