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  2. Doomsday Clock - Wikipedia

    en.wikipedia.org/wiki/Doomsday_Clock

    The Clock was moved to 150 seconds (2 minutes, 30 seconds) in 2017, then forward to 2 minutes to midnight in 2018, and left unchanged in 2019. [6] It was moved forward to 100 seconds (1 minute, 40 seconds) in 2020, [ 7 ] 90 seconds (1 minute, 30 seconds) in 2023, [ 8 ] and 89 seconds (1 minute, 29 seconds) in 2025.

  3. Time bomb - Wikipedia

    en.wikipedia.org/wiki/Time_bomb

    A time bomb's timing mechanism may be professionally manufactured either separately or as part of the device, or it may be improvised from an ordinary household timer such as a wind-up alarm clock, wrist watch, digital kitchen timer, or notebook computer. The timer can be programmed to count up or count down (usually the latter; as the bomb ...

  4. Countdown - Wikipedia

    en.wikipedia.org/wiki/Countdown

    A countdown is a carefully devised set of procedures ending with launch of a rocket. Depending on the type of vehicle used, countdowns can start from 72 to 96 hours before launch time. There are two countdowns proceeding simultaneously:

  5. Pencil detonator - Wikipedia

    en.wikipedia.org/wiki/Pencil_detonator

    The briefcase bomb used in the July 20 plot used a captured British pencil detonator inserted into a block of British plastic explosives weighing approximately two pounds. The bomb was set to 30 minutes and detonated as planned, but Hitler survived with minor injuries. Stauffenberg could not prepare the second block, though. He got rid of it ...

  6. If a nuclear weapon is about to explode, here's what a ... - AOL

    www.aol.com/article/news/2018/02/01/if-a-nuclear...

    For 38 minutes, the false alarm sowed confusion, fear, and, pandemonium, especially among tourists. Some hotel guests peered through windows and doors to catch a glimpse of the incoming threat.

  7. Timer - Wikipedia

    en.wikipedia.org/wiki/Timer

    A typical kitchen timer. A timer or countdown timer is a type of clock that starts from a specified time duration and stops upon reaching 00:00. An example of a simple timer is an hourglass. Commonly, a timer triggers an alarm when it ends. A timer can be implemented through hardware or software.

  8. This 5-Minute Obstacle Course Race-Inspired Workout Is a ...

    www.aol.com/lifestyle/5-minute-obstacle-course...

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  9. Keep Talking and Nobody Explodes - Wikipedia

    en.wikipedia.org/wiki/Keep_Talking_and_Nobody...

    Each bomb will also have a countdown timer; if the timer reaches zero, the bomb will explode. Bombs will also have a maximum number of strikes resulting from errors made during defusing (also speeding the timer), and if that maximum is reached, the bomb will also explode.