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Science
May 10, 2026
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The Doomsday Clock: Understanding Humanity's Closest Brush with Apocalypse

AI Summary
The Doomsday Clock, set by the Bulletin of the Atomic Scientists, is a symbolic representation of humanity's proximity to catastrophic destruction. Currently set at 85 seconds to midnight, it highlights the urgent threats of nuclear war, climate change, and emerging technologies like AI. The clock's history dates back to 1947, when scientists, including those from the Manhattan Project, sought to warn the public about the dangers of nuclear energy.

The Doomsday Clock: A Symbol of Humanity's Existential Threats

The Earth is facing unprecedented dangers, from rising temperatures and raging conflicts to the infiltration of AI in critical decision-making processes. The Doomsday Clock, maintained by the Bulletin of the Atomic Scientists, serves as a stark reminder of these threats, currently set at 85 seconds to midnight.

The Origins of the Doomsday Clock

Established in 1947 by a group of Manhattan Project scientists, the Doomsday Clock was designed to symbolize the urgency of the nuclear age. The first setting was seven minutes to midnight, chosen for its aesthetic appeal. Since then, the clock has been adjusted numerous times in response to global events.

Key Milestones in the Clock's History

  • 1947: The first clock setting at seven minutes to midnight.
  • 1949: Moved to three minutes to midnight after the Soviet Union's first nuclear test.
  • 1953: Set to two minutes to midnight following the development of the hydrogen bomb.
  • 2023: Set to 90 seconds to midnight, the closest to apocalypse in its history.

The Current State of Global Threats

According to Alexandra Bell, CEO of the Bulletin of the Atomic Scientists, the world is sleepwalking into increasing dangers. The intertwining of climate change, nuclear proliferation, and AI integration into military strategies has created a perfect storm of risks. Bell emphasizes the need for leadership and diplomatic efforts to mitigate these threats.

The Future of the Doomsday Clock

The Doomsday Clock is more than a symbol; it's a call to action. Its setting is determined annually by the Bulletin's science and security board, comprising leading scientists, academics, and diplomats. The clock's message is clear: humanity must act collectively to prevent its own destruction.