The minute hand on the Doomsday Clock is a metaphor for how vulnerable to catastrophe the world is deemed to be. WATCH: Here's how the Doomsday Clock changed from 1947 up to last year. The ...
When it debuted the clock's hand stood at seven minutes to midnight and it has been reset 23 times since. According to the Bulletin, its design was conceived by artist Martyl Langsdorf.