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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 January 2018, and left unchanged in 2019. [6] In January 2020, it was moved forward to 100 seconds (1 minute, 40 seconds) before midnight. [7]

  3. Emergency Broadcast System - Wikipedia

    en.wikipedia.org/wiki/Emergency_Broadcast_System

    3.1 False alarm of 1971. 4 ... introducing a delay of approximately one minute. ... then go back on air and transmit a 1000 Hz tone for 15 seconds to alert ...

  4. Civil defense siren - Wikipedia

    en.wikipedia.org/wiki/Civil_defense_siren

    Readiness alarm (Beredskapslarm): a 5-minute pattern of 30 second tones separated by 15 second gaps. Used when an imminent danger of war is present. Air raid alarm (Flyglarm): a 1-minute pattern of 2 second tones separated by 2 second gaps. Sent when the threat of an air attack is imminent.

  5. 2018 Hawaii false missile alert - Wikipedia

    en.wikipedia.org/wiki/2018_Hawaii_false_missile...

    [15] [16] [19] At 11:45 a.m. on January 2, 2018, the state conducted its monthly test of the civil defense outdoor warning siren system including the sounding of a one-minute Attention Alert Signal (Steady Tone) followed by a one-minute Attack Warning Signal (Wailing Tone). [20] There was no exercise or drill accompanying the test. [20]

  6. The Motivational Trick That Makes You Exercise Harder - AOL

    www.aol.com/motivational-trick-makes-exercise...

    Some days, he’d hang for just 5 seconds, but most days he could do more, eventually managing a PR of 1 minute, 15 seconds. The additional strength enabled record pull-ups.

  7. Quartz clock - Wikipedia

    en.wikipedia.org/wiki/Quartz_clock

    This frequency is a power of two (32 768 = 2 15), just high enough to exceed the human hearing range, yet low enough to keep electric energy consumption, cost and size at a modest level and to permit inexpensive counters to derive a 1-second pulse. [3] The data line output from such a quartz resonator goes high and low 32 768 times a second.

  8. Ford, GM donate $1 million and contribute vehicles to Trump's ...

    www.aol.com/news/ford-donates-1-million-fleet...

    DETROIT (Reuters) -U.S. automakers Ford Motor and General Motors will donate $1 million each, along with vehicles, to U.S. President-elect Donald Trump's January inauguration, company ...

  9. Clock face - Wikipedia

    en.wikipedia.org/wiki/Clock_face

    This had 10 decimal hours in the day, 100 decimal minutes per hour, and 100 decimal seconds per minute. Therefore, the decimal hour was more than twice as long (144 min) as the present hour, the decimal minute was slightly longer than the present minute (86.4 seconds) and the decimal second was slightly shorter (0.864 sec) than the present second.