In 1991, the clock had its furthest time from catastrophe when it was set to 17 minutes to midnight as the Cold War cooled down. The clock’s hands most recently inched close to disaster in 2020 ...

Perhaps the most famous is the still-missing Allison Mystery Clock, which had no visible mechanism. The hands could be spun freely and would always return to the correct time. “It was like a ...

can answer time-related questions by looking at a picture of a clock or a calendar. Researchers tested various clock designs, ...