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  2. Civil defense siren - Wikipedia

    en.wikipedia.org/wiki/Civil_defense_siren

    CPG 1-17 recommends that a monthly test be conducted, consisting of the steady "attention" signal for no more than one minute, one minute of silence, and the "attack" signal for no more than one minute. A "growl test" signal is also described by CPG 1–17, when a siren must be tested more than once a month.

  3. W54 - Wikipedia

    en.wikipedia.org/wiki/W54

    The weapon was delayed until August 1963 due to issues with the timer. These included premature firing of the timer and issues with bearing materials. An interim Mk 54 Mod 0 weapon (now called the B54-0) was put into production in April 1963. Drop tests for this weapon were conducted at velocities up to 31 feet per second (9.4 m/s) vertical and ...

  4. Pass the Bomb - Wikipedia

    en.wikipedia.org/wiki/Pass_the_Bomb

    Pass the Bomb is a word game invented by Jon Kitching, licensed by Weekend Games and published by Piatnik. It consists of a timer in the shape of a black bomb with a string fuse. Pressing a button starts a loud ticking and, after a random time interval, the sound of an explosion.

  5. A Cold War-era bomb shelter in Florida has new owners. What's ...

    www.aol.com/cold-war-era-bomb-shelter-100924902.html

    The bomb shelter and surrounding 5.85 acres were sold July 12 to South Rock Road LLC for $899,000. According to neighbor Marty Rhoat, speculation about the bunker has grown in the surrounding ...

  6. Four-minute warning - Wikipedia

    en.wikipedia.org/wiki/Four-minute_warning

    The four-minute warning was a public alert system conceived by the British Government during the Cold War and operated between 1953 and 1992. The name derived from the approximate length of time from the point at which a Soviet nuclear missile attack against the United Kingdom could be confirmed and the impact of those missiles on their targets.

  7. 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 ...

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

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

    This five-minute workout was designed using obstacle course racing principles, which will help to build explosiveness and endurance. This 5-Minute Obstacle Course Race-Inspired Workout Is a ...

  9. 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 ...