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PageNet, also known as Paging Network, Inc., was founded in 1981 by entrepreneur George Perrin and ceased in 1999.. The company grew to become the largest wireless messaging company in the world, with more than 10 million pagers in service, and $1 billion in revenues, before the paging industry's rapid decline in the late 1990s.
Partial collapse leaving a 20-meter-long, 1-meter-wide pit in one lane Collapse due to two trucks each loaded with over 100 tonnes of goods crossing bridge: Baihe Bridge in Huairou district Beijing: People's Republic of China 19 July 2011: Bridge designed for max. 46 tonne vehicles, truck overloaded with 160 tons of sand caused it to collapse.
Pager. A pager, also known as a beeper or bleeper, [1] is a wireless telecommunications device that receives and displays alphanumeric or voice messages. One-way pagers can only receive messages, while response pagers and two-way pagers can also acknowledge, reply to, and originate messages using an internal transmitter. [2]
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Non-fatal injuries. 216. Two overhead walkways in the Hyatt Regency Hotel in Kansas City, Missouri, collapsed on July 17, 1981, killing 114 people and injuring 216. Loaded with partygoers, the concrete and glass platforms crashed onto a tea dance in the lobby. Kansas City society was affected for years, with the collapse resulting in billions ...
The collapse destroyed the tower, KLTV's analog and digital antennas, KLTV's digital transmitter, and FM station KVNE's antenna. The analog transmitter was undamaged, and within a few days was moved to KLTV's backup tower in east Tyler. The collapse occurred the day after Raycom Media officially took ownership of the station.
Penrose's idea is a type of objective collapse theory. For these theories, the wavefunction is a physical wave, which experiences wave function collapse as a physical process, with observers not having any special role. Penrose theorises that the wave function cannot be sustained in superposition beyond a certain energy difference between the ...
Progressive collapse is the process where a primary structural element fails, resulting in the failure of adjoining structural elements, which in turn causes further structural failure. [1] Progressive collapses may be accidental, as the result of design deficiencies, fire, unintentional overload, material failure or natural phenomenon (e.g ...