• @nidal
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    North Korean EMP Attack Would Cause Mass U.S. Starvation, Says Congressional Report (octobre 2017)
    ▻https://www.forbes.com/sites/brucedorminey/2017/10/23/north-korea-emp-attack-would-cause-mass-u-s-starvation-says-congressional-re

    The consequences of such a detonation would be dire.

    “The U.S. can sustain a population of 320 million people only because of modern technology,” said Pry. “An EMP that blacks-out the electric grid for a year would [decimate] the critical infrastructure necessary to support such a large population.”

    In three days, the food supply in local grocery stores would be consumed and the 30-day national food supply in regional warehouses would begin to spoil, says Pry. In one year, he contends that up to 90% of the population could perish from starvation, disease and societal collapse.

    After generating gamma-rays that interact with air molecules in Earth’s stratosphere, a so-called fast pulse EMP field of tens of kilovolts would only last a few hundred nanoseconds.

    But in the event of such an attack, aircraft electronics would be fried, as well as electronics in air traffic control towers, and navigation systems , says Pry. “Airliners would crash killing many of the 500,000 people flying over North America at any given moment,” he said.

    Pry says electro-mechanical systems which regulate the flow of gas through pipelines would spark; causing the gas to ignite and result in massive firestorms in cities and large forest fires.

    There would be no water; no communications; and mass transportation would be paralyzed, says Pry. In seven days, he contends that reactors in U.S.’ nuclear power plants would essentially melt down, spreading radioactivity across most of the nation.

    Reprise dans NewsWeek :
    ▻http://www.newsweek.com/could-north-korean-emp-attack-could-cause-mass-starvation-and-societal-691

    Explication dans Popular Mechanics :
    ▻http://www.popularmechanics.com/military/weapons/news/a28425/emp-north-korea

    Quelqu’un a des infos là-dessus ?

    Nidal CC BY
    • @nidal
      Nidal CC BY

      Un aspect que je n’arrive pas à éclaircir : est-ce que de telles armes existent déjà, ou bien est-ce que ça relève de la littérature scientifique ou pseudo-scientifique ? Parce que si on évoque ces armes, hypothétiquement, pour la Corée du Nord, est-ce qu’il faut comprendre qu’elles existent déjà dans l’arsenal des grandes puissances ?

      Je me googlise le sujet super-emp, et la multitude de textes qui arrivent ne traitent que d’une super-EMP nord-coréen. Et pour l’instant, rigoureusement personne pour se demander si ça existe pour de vrai, et si les Américains en ont déjà développé (et/ou les Russes et les Chinois par exemple). Ce que je trouve extrêmement douteux.

      Nidal CC BY
    • @nidal
      Nidal CC BY
      @fil

      Signalé par @fil il y a un mois:
      The Overrated Threat From Electromagnetic Pulses – War Is Boring – Medium
      ►https://medium.com/war-is-boring/the-overrated-threat-from-electromagnetic-pulses-46e92c3efeb9

      An electromagnetic pulse following a nuclear blast is a real thing. The problem is that the process of creating an EMP big enough without the devastation of a nuclear warhead is expensive, absurd and not worth the effort. That’s if it even works.

      #emp donc

      Nidal CC BY
    • @nidal
      Nidal CC BY

      Here’s what would happen if North Korea hit the US with an EMP that could take out 90% of the population
      ▻http://www.businessinsider.fr/us/north-korea-emp-us-what-would-happen-2017-10

      But according to experts, the idea of North Korea using an EMP to attack the US is ridiculous, laughable, and totally unlikely. The US’s own Defense Technical Information Center concluded in 2008 that an EMP in reality couldn’t actually even stop a car from driving more than three times out of 37.

      “If you have the required level of capability to conduct some sort of very high level exo-atmospheric EMP, you’d get more effect out of using that as a nuclear-strike capability,” Justin Bronk, a research fellow specializing in military technology at the Royal United Services Institute, told Business Insider.

      Because an EMP is “quite an unpredictable effecter,” according to Bronk, North Korea would take a huge risk using an unproven technology to attack the US when it could simply bomb a city.

      But if North Korea did try a bolt-out-of-the-blue attack on the US with the intent of killing as many people as possible, the result “would be exactly the same in terms of response from the US as actually a ground detonation,” said Bronk.

      If North Korea launched an electromagnetic-pulse attack on the US, nothing would stop the US from responding with nukes. Senior Airman Kyla Gifford/US Air Force
      The nuclear infrastructure the US would use to respond to such an attack has been hardened against EMPs. As soon as the blast in space was detected, US nuclear missiles would streak across the sky and obliterate North Korea.

      Nidal CC BY
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