The Doomsday Clock is a symbol that represents the likelihood of a man made global catastrophe.
A hypothetical global catastrophe is represented by midnight on the clock.
The Doomsday Clock’s origin can be traced to the international group of researchers called the Chicago Atomic Scientists.
The Clock was first represented in 1947.
Midnight has a deeper meaning besides the constant threat of war.
There are various elements taken into consideration when the scientists from the Bulletin of the Atomic Scientists decide.
On January 24 2018 scientists moved the clock to two minutes to midnight based on threats.
On January 23 ,2020 the Clock was moved to 100 second.
On January 24, 2023 the Clock was moved to 90 seconds before midnight.