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Tag Archives: electromagnetic pulse
The current threat posed by North Korea can be debated back and forth, but one thing we know for certain is that the country’s dictator, Kim Jong-Un, has weapons capable of of an EMP (electromagnetic pulse) attack. This thought is terrifying and we citizens have no way of knowing how far those capabilities go and whether or not we might live in a targeted area.
Not very comforting, and I tend toward paranoia in the best of times. A war here on American soil is a terrifying thought.
Dictators are more interested in self-preservation than anything else, and, perhaps, that’s the one thought that gives me a bit of comfort.…Read More...
Dr. Peter Vincent Pry: America May Never Recover From EMP Attack
Dr. Peter Vincent Pry is the Executive Director of the Task Force on National and Homeland Security for the Congressional Caucus on EMP (Electro-Magnetic Pulse) that endeavors to carry on the work of the EMP Commission. He is also the Director of the United States Nuclear Strategy Forum, an advisory body to Congress on policies to counter weapons of mass destruction.
Dr. Pry has served on the staffs of the EMP Commission, the Strategic Posture Commission, the Commission on the New Strategic Posture of the U.S., the House Armed Services Committee and the Central Intelligence Agency.…Read More...
Over the weekend, I had the opportunity to speak with a retired military officer who worked in areas that involved EMP. He provided me with several pieces of information. He stated that the item that is most susceptible to damage from EMP is field effect and related transistors and that most unprotected electronics containing them would be damaged. He feels that the typical garbage can Faraday cage (a metal garbage can lined with an insulating material) that is widely suggested on the web would work.
He said that batteries would survive without protection. While he said, he has not seen any testing on solar panels he thinks that they would probably survive.…Read More...
I have done a lot of research on Faraday Cages and feel like I am finally beginning to understand them. A Faraday Cage is designed to protect electronics from EMP (electromagnetic pulse) that can be created by high altitude nuclear explosions or solar storms. See previous posts on EMP. Some simple examples of Faraday cages are shown below.
- A booster bag (shopping bag lined with aluminum foil) acts as a Faraday cage. It is often used by shoplifters to steal RFID-tagged (radio-frequency identification) items.
- The cooking chamber of a microwave oven is a Faraday cage, made to contain the RF (radio-frequency) signals of the cavity magnetron which cooks the food.
The following link is to an overview of a report prepared for congress by a group of eminent scientists. This is a very serious report not very long, but is worth further reading.
The Commission to Assess the Threat from High Altitude Electromagnetic Pulse (EMP):
In today’s world we have come to depend upon all of our electronic toys. Without them society would be in chaos, the power grid will collapse, most vehicles will stop, and computers will not function. Most people today have no idea of what the effects of a high-altitude electromagnetic pulse (HEMP) device would be.
An electromagnetic pulse (sometimes abbreviated EMP) is a burst of electromagnetic radiation that results from an explosion (usually from the detonation of a nuclear weapon) and/or a solar flare. The resulting rapidly changing electric fields or magnetic fields may couple with electrical/electronic systems to produce damaging current and voltage surges.…Read More...