Voices of Tomorrow and the Leonard M. Rieser Award

In its Voices of Tomorrow feature, the Bulletin of the Atomic Scientists invites graduate students, undergraduates, and high school scholars to submit essays, opinion pieces, and multimedia presentations addressing at least one of the Bulletin's core issues: nuclear weapons, nuclear energy, climate change, biosecurity, and threats from emerging technologies.

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Doomsday Clockwork

Over the last 68 years, the Bulletin has reset the minute hand on the Doomsday Clock 21 times, most recently this year when we moved it from five minutes to midnight to three. Every time it is reset, we’re flooded with questions about the internationally recognized symbol. Here are answers to some of the most frequent queries.

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MULTIMEDIA
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At the click of a mouse, our new multimedia presentation tracks world nuclear arsenals over seven decades

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