The Doomsday Clock Modern Marvels : Season 12 Episode 18
TV-PG History 1h 00m
Aired: May 25th, 2006 @ 10:00 PM EST on History
Scientists develop the Doomsday Clock as an image to symbolize urgency in the Cold War and the threat of nuclear disaster.
TV-PG History 1h 00m
Aired: May 25th, 2006 @ 10:00 PM EST on History
Scientists develop the Doomsday Clock as an image to symbolize urgency in the Cold War and the threat of nuclear disaster.
