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The bomb squad was first called at 3:04 p.m., at least 30 minutes after the first 9-1-1 call from the bank and about 10 minutes after Wells was arrested. At 3:18, three minutes before the bomb squad arrived, the bomb detonated and blasted a fist-sized hole in Wells' chest, killing him in seconds.
A time bomb (or a timebomb, time-bomb) is a bomb whose detonation is triggered by a timer. The use or attempted use of time bombs has been for various purposes including insurance fraud, terrorism, assassination, sabotage and warfare. They are a frequent plot device in thriller and action films as they offer a way of imparting a dramatic sense ...
Pencil detonator. A pencil detonator or time pencil is a time fuze designed to be connected to a detonator or short length of safety fuse. They are about the same size and shape as a pencil, hence the name. They were introduced during World War II and developed at Aston House, Hertfordshire, UK .
An accurate rule of thumb, applicable in the time-period of days to a few weeks post-detonation which approximates the radioactive dose rate generated by the decay of the myriad of isotopes present in nuclear fallout, is the "7/10 rule". [133] [105] The rule states that for each 7-fold increase in time the dose rate drops by a factor of 10. [134]
Jack Gilbert Graham. John " Jack " Gilbert Graham (January 23, 1932 – January 11, 1957) was an American mass murderer who, on November 1, 1955, killed 44 people aboard United Airlines Flight 629 near Longmont, Colorado, using a dynamite time bomb. Graham planted the bomb in his mother's suitcase in an apparent move to murder her and claim ...
Duck and Cover. (film) Duck and Cover is a 1951 American civil defense animated and live action social guidance film [1] that is often mischaracterized [2][3] as propaganda. [4] It has similar themes to the more adult-oriented civil defense training films. It was widely distributed to United States schoolchildren in the 1950s, and teaches ...
Bojinka plot. The Bojinka plot (Arabic: بوجينكا; Tagalog: Proyektong Bojinka) was a large-scale, three-phase terrorist attack planned by Ramzi Yousef and Khalid Sheikh Mohammed for January 1995. They planned to assassinate Pope John Paul II; blow up 11 airliners in flight from Asia to the United States, with the goal of killing ...
MinutePhysics is an educational YouTube channel created by Henry Reich in 2011. The channel's videos use whiteboard animation to explain physics -related topics. Early videos on the channel were approximately one minute long. [2] As of March 2024, the channel has over 5.7 million subscribers.