This site is devoted to a discussion of the real science and technology behind the Dark Angel television series, although many readers of the 2009 book One Second After are here for the extensive information about nuclear electromagnetic pulse.
If you are visiting this page only for the EMP information, you may want to visit the Futurescience Sitemap of EMP Pages.
In testimony before the United States Congress House Armed Services Committee on October 7, 1999, the eminent physicist Dr. Today, if just one of these 500 kiloton bombs like the Mark 18 were detonated 300 miles above the central United States, the economy of the country would be essentially destroyed instantaneously.
Both the United States and the Soviet Union detonated EMP-generating nuclear weapons tests in space during the darkest days of the Cuban Missile Crisis, when the world was already on the brink of nuclear war. There is a separate page with many more details about the Soviet nuclear EMP tests in 1962. For a map of the locations of the most highly at-risk power grid transformers in the United States, see this page from the 2008 Report on Severe Space Weather Events. A page has been developed about the things that individuals can do to help protect themselves against the EMP threat -- and there is much that individuals can do. As the above report points out, even if power grid transformers survive an EMP attack, the power grid is extremely vulnerable to EMP and other attacks because of electronic control and monitoring devices called SCADAs, which would be knocked out even by a relatively small weapon. For a shorter summary, the comments of the chairman of the EMP Commission, made when the report above was delivered to the U.S. Another good report on the nuclear EMP problem is this report on Electromagnetic Pulse Threats in 2010 released by the United States Air Force.
For a discussion of some of the problems in correlating the results of EMP simulator testing to the actual results seen in the 1962 high altitude nuclear tests, see this transcript of a House Armed Services Committee discussion between congressmen and physicists. There is a comprehensive and well-referenced page at this site with extensive details about the 1962 Soviet nuclear EMP tests over Kazakhstan, which resulted in extensive damage to the electrical and communications infrastructure. Another page on EMP explains the critical difference between the E1, E2 and E3 components of nuclear EMP. Also at this site, there is a page on common EMP Myths, which cause a considerable amount of confusion. For more information about human babies by design, see the 2007 book BABIES BY DESIGN by Ronald M.
More information about this and other genes may be found at Entrez Gene, maintained by the United States National Library of Medicine.
In order to overexpress this gene in mice, the researchers inserted the mouse DNA with a 2,000 base-pair region of human DNA from a promoter region called the human alpha-skeletal actin gene promoter. Just before the start of the 2010 Winter Olympics, another article on the possibility of genetically engineered athletes appeared in the weekly journal, Science. The Repoxygen virus for re-engineering DNA was developed by Oxford BioMedica, but has apparently been abandoned because of its possibilities for athletic enhancement, although it could have had profound medical uses in the treatment of anemia. The Japanese company Cyberdyne is selling an exoskeleton called the Hybrid Assistive Limb in Japan, and they plan to offer it for sale soon in the European Union. Honda has done public demonstrations of its Walking Assist Device, an exoskeleton designed for people who can walk on their own, but who have some difficulty doing so.
In this document, EMA demonstrates first that EMA3D can reproduce the HEMP Handbook predictions.
In CEM simulations, complex model geometries and there associated material properties can be captured with high fidelity.
The EMP handbook analyzes the response of a cylindrical antenna with end caps as shown below. The response of the antenna is determined by the length and the fatness factor, ?. First, we consider the current induced on the cylinder, as shown:   As shown in the following figures, the agreement is of the antenna response for the current on the cylinder is good. The exact same configuration was used for the second model except an exposed cable was added as shown below. The cable resistance, R1, was set equal to the transmission line characteristic impedance Zc. As shown in the following figures, the agreement is of the exposed cable response for the current on the cable is quite good. MIL-STD-461F: Requirements for the Control of Electromagnetic Interference Characteristics of Subsystems and Equipment. Barang yang sudah dibeli tidak dapat ditukar atau dikembalikan, kecuali jika barang diterima dalam kondisi yang tidak layak atau rusak. This electronic book on CD-ROM provides a comprehensive guide to the threat of an electromagnetic pulse (EMP) attack with a high-altitude nuclear weapon detonation. There is a great deal of confusion about what an electromagnetic pulse (EMP) is and how best to protect against them.
EMP-generating devices can be employed in conventional, large-scale warfare, but they are more likely to be used as asymmetric weapons by a hostile state or terrorist group that strives to inflict great damage without requiring the need for military supremacy. Not directly harming humans or animals, making full-scale retaliation politically difficult.
The area affected by the high-altitude EMP is determined by line of sight and, therefore, largely a function of altitude.
Devices that are most susceptible to an EMP are those that use solid-state semiconductors, such as computers, alarm systems, radios and transceivers, control systems, and communications equipment. The greatest threat from an EMP is its ability to disrupt, damage, and destroy electronic hardware. Due to the interdependency of systems, a cascade of failures would likely promulgate through every major infrastructure. The Prepared Prepper's Cookbook: Over 170 Pages of Food Storage Tips, and Recipes From Preppers All Over America! This is a possibility that concerns me the most, as preparing for it is so specialize, costly, and has a great many unknowns. With Iran and Russia now cruising the Atlantic Ocean and the Gulf of Mexico, along with the Chinese working eagerly in Mexico and controlling the Panama Canal, I fear that we are closer than ever to an EMP attack on our country.
I think that it would be really interesting for you and Joel Skousen to contribute a joint article.
You obviously know your stuff and your article is remarkably free of the misinformation I see in many other articles on this topic. The Compton effect is gamma rays hitting electrons and causing them to move at near relativistic speeds until they recombine with another nucleus. The damage from EMP is line of sight and the higher a weapon is exploded, the greater the area that can be seen line of sight. Even in what you perceive as those idyllic days, we had electric for lighting, tools, telephones, and refrigeration. Electronics is merely a tool and the dumbing down of society is due to a change in morals and ethics, and what we will accept from each other. While widely criticized as flawed, testing by the EMP Commission showed that only about 3-5% of cars in operation would be permanently damaged by an EMP. Simple answer… probably no on the car (see my answer above regarding the EMP Commission testing), and yes on the electronics.
I have zero electronic knowledge so this topic is quite interesting, though difficult to absorb for me. I also know a CME of the magnitude similar to the Carrington event could cause similar problems, I just wonder if a CME would take out our autos? I pray I am wrong, but we have made so many enemies and now the US seems to have lost our backbone.. As far as solar coronal mass emissions (or other solar events), they don’t pose a threat to small scale electronics unless those electronics are plugged into the electrical grid. Please help support this site by going through the above link every time that you shop at Amazon. Electromagnetic pulse (EMP) caused by a nuclear explosion high over the United States a€“ Imminent danger to the U.S.
Terrorist groups could get the capability from any one of these countries or from a few other countries either directly or by theft. If an EMP hit a large part of the United States it would not cause just a temporary power outage.


In a matter of hours there would be large-scale looting in the major cities and in days there would be riots in all large cities over food and water. Even after the power was brought back up, it would be likely that much of the electronically controlled infrastructure systems would have to be totally replaced.
If significant military action is not taken against Iran and North Korea (if they do not immediately abandon their nuclear weapons program), it is almost certain that one or more EMP attacks will be attempted with the likelihood of success being high. If Iran and North Korea no longer have nuclear capabilities the likelihood of an attack is then much less at least for a number of years. Non-state sponsored terrorism will continue to be a threat if they can get hold of a nuclear bomb. If the United States people can get their politicians off of their duffs, she can have most of the critical infrastructures hardened against an EMP attack in about five years. Starfish Prime test had been used in the Soviet tests, the EMP damage over Kazakhstan would have been far greater. Next, EMA extends the geometry in the simulation so that it is comparable to modern systems.
This information alone can provide valuable insight to a vehicle’s coupling response to an EMP environment Apertures and structural seams or joints can be trickier to accurately represent in CEM models.
It includes a complete reproduction of Volume 1 of the important 2004 report of the Commission to Assess the Threat to the United States from Electromagnetic Pulse (EMP) Attack. This three-part tutorial is meant to help clear up some of this confusion as well as dispel a few myths that frequently circulate the internet. It can be the result of many things, including lightning, a nuclear explosion, or specialized EMP weaponry. There are several unique atomic interactions that occur, including photoelectric absorption, Compton scattering, and pair production, all of which result in the generation of free electrons.
The greatest threat is from a high-altitude EMP produced by a nuclear weapon detonated 25 to 250 miles above the Earth’s surface. The precise extent of damage that a particular EMP will inflict is not easily predicted because it is dependent on many factors, including field orientation, waveform polarization, circuit geometry, filtering, and shielding.
Electronic equipment designed for higher currents, such as transformers, motors, and circuit breakers are less susceptible.
Affected systems include the electrical power grid, cellular and wired communications systems, the internet, personal electronics, agricultural systems, airplanes, gasoline pumps, satellites, water purification plants, generators, automobile electronics, and nearly every other type of modern electronic device.
Arthur Bradley is the bestselling author of the Handbook to Practical Disaster Preparedness for the Family, the Prepper’s Instruction Manual, the Disaster Preparedness Handbook, and Disaster Preparedness for EMP Attacks and Solar Storms. Bradley is an Army veteran, father of four, martial artist, weapons expert, and dedicated homeschooler.
That series has really caught the imagination of people wondering what it might be like to live in a post-apocalyptic world, following a global pandemic. The truth is I don’t know the answer to your question, but I doubt it that Canada would fully escape without damage. I’m no rocket scientist, but was curious as to how high 300 miles is in the atmosphere. To give you an idea, this is the same region at which the space shuttle (when we had one) orbited. As such the amount of energy in the EMP is a function of the amount of gamma rays emitted by the nuclear weapon. However, the basic law of physics is that energy can neither be created or destroyed, only changed in form. In the long run for our society , it would be a blessing , electronics are part of what is dumbing out America , and making us socially retarded . One set of my grandparents didn’t get electricity until 1963, and I well remember as a 10-yr. The Soviet version was more like the size of 2 foot lockers.I understand the yield on one of those is about 10-20 kilotons. I’m wondering how well the alternator, voltage regulator and starter would stand an EMP event. As I posted above, the best guess, and that’s all it is, is there might be 3-5% permanently damaged. Our community is built on the sharing of information via the comments section below, but before you post your first comment please read our "comments policy" carefully. It costs you nothing extra when you order and we get a small commission that helps to support this site.
The weapon could be delivered by a Scud missile hidden under a tarp from a medium sized ship in the shipping lanes off the coast of the United States. The extent of the pulse depends on many factors; it could hit the whole nation, a good part of the nation, or be more local.
Marshal Law would be declared and the Department of Homeland Security (DHS) would nationalize all police forces and take control over managing the people of the United States. In that case massive aid from the rest of the nation eased the crisis but after an EMP the whole nation will be coping with the crisis and little aid will be possible.
The possibility of a successful EMP attack before 2025 AD would in my opinion be at least a 3 on a scale of 1-10. Pakistan still will be a problem because she has nuclear weapons and a large segment of the population supports terrorism against the United States.
This would not cost all that much to do, if all new critical electronics were manufactured to be shielded and hardened.
The sure way of escaping such a judgment is for the people of the United States to voluntarily stop all their wickedness and seek Goda€™s protection but I just do not see that happening. Experimental measurement programs can be used to help determine properties of critical seams and joints.
It also includes dozens of other military and government documents and reports, and testimony given at hearings before the House of Representatives Committee on National Security, Military Research and Development Subcommittee, chaired by Curt Weldon, on the threat posed by electromagnetic pulse (EMP) to U.S.
Of all of these sources, the EMP that results from a high-altitude nuclear explosion has the greatest potential to cause widespread damage.
Most of this ionization occurs at an altitude of 12 to 25 miles (20 to 40 km) in a region of the atmosphere known as the “Source Region.” These free electrons ultimately interact with the Earth’s magnetic field lines, resulting in an intense electromagnetic pulse that affects the surface.
It is reported that if even a small 1 to 2-megaton nuclear bomb was detonated 250 miles above the central states, the resultant pulse could disrupt, disable, and damage electronics across most, if not all, of the continental United States. The energy is coupled into electronic systems by three mechanisms: electrical induction (energy transferred to conducting wires or junctions), magnetic induction (energy transferred into closed conducting loops), and through transfer impedance, such as energy transferred to buried conductors. He is active in volunteer youth organizations, including the Boy and Girl Scouts of America. While the radiated effects of an EMP might be minimal in Canada from an attack like this, I suspect energy would travel very quickly over the conducted channels, causing some damage to their infrastructure as well. Is it even possible for a delivery system to go that high while still being under control of the operators, or is that altitude considered outer space?
There are certainly delivery systems that can get up this high, and as you suggested, they were mostly in the hands of the big three (US, Russia, and China). Small devices like this have microelectronics, which have been shown to be susceptible to electromagnetic energy. I figure if this is the worst to expect, everything else will be cake (relatively speaking).
The 1 to 2 Megaton weapon cited can only be a hydrogen bomb as no uranium or plutonium bomb can be built with that yield size. The result of this is that the amount of destructive energy is fixed but is spread out over a bigger area as the altitude goes up, so there is smaller amount of energy per square foot. I remember the days when there were no lap tops , no cell phones , and TV was black and white , with only 4 channels .
That percentage might not sound like much but imagine if 6 million cars suddenly stopped working all across the US. The pulse can introduce very high currents on power lines which in turn will likely damage most anything plugged in.
Bradley, for your willingness to lend your expertise, and to MD for publishing this article.


Also some comments are moderated depending on the content and while we try to get your comment published as quickly as possible, sometimes it may take several hours before your comment appears live. Those who would attempt such an attack would seek to maximize the extent of the damage so more than likely, the pulse would hit much if not most of the United States.
Electronic equipment and power generating equipment in power plants themselves would be damaged and there will be no way of easily replacing this equipment. There would be no TV, little radio, no useable cell phone systems, no Internet system and no food or water distribution other than through the direction of Homeland Security. There would be no access to any money, the stock market would be closed and the U.S dollar would become near worthless on the world market. Meanwhile, financial assets in every category either would become worthless or lose tremendous value.
It is unlikely that China would want an EMP to happen over the United States as long as she is getting rich exporting to the United States.
I do not know if this is actually the case but experts who have access to intelligence say the possibility of terrorists obtaining a nuke in the next 10 years is better than 50-50. What the United States really should do in the near term is to buy some time and take out Iran and North Koreaa€™s nuclear capabilities.
After this, an attack would probably not reduce the United States to less than a superpower but it certainly would still cause enough damage to put the U.S. The major problem is that most politicians have their head in the sand and they are ignoring this real threat even after this threat was verified to them by the highest Intelligence sources and by their very own congressional appointed commission of scientists. The joints and apertures within the model can be tuned to incorporate SE and Zt experimental data. When people talk about an “EMP attack,” they are almost always referring to one caused by a high-altitude nuclear detonation.
Most modern integrated circuits are susceptible to high-frequency pulses, whereas large electrical systems, including our commercial power grid, are more susceptible to low-frequency pulses. Such a disruption would crush the economy and seriously degrade critical infrastructures, including: electrical power, telecommunications, financial, petroleum and natural gas, transportation, food, water, emergency services, space operations, and government. Also, if multiple warheads were detonated, both the area affected and overall damage could be greatly enhanced. Israel, France, India, and even North Korea are also considered to have some intercontinental missile capability, but I’m not certain which have been demonstrated to reach these kinds of altitudes. What I don’t know is if there is any kind of high-frequency filtering, shielding, or other mitigation techniques used to make them less susceptible. It would almost certainly result in global war, one in which everyone would lose to one degree or another. Essentially, you can increase the number of systems exposed by increasing the altitude, but percentage of systems damaged will go down. Up to 10-15% would suddenly stall, causing huge numbers of traffic jams, injuries, and delays.
However, the pulse can also transmit radiated energy, causing damage to electronics, even if those items were not plugged in. Of course, other vessels, such as boats, airplanes, and trains could also experience some damage (but it’s not expected to be catastrophic). If the United States were attacked with this weapon the country may find it very difficult if not impossible to retaliate.
The EMP pulse itself has three components with each subsequent component causing further damage. For weeks, months, and perhaps years there could be little gross national product in the United States.
Many times solar events are also described as causing an EMP, but it’s important to understand the differences between the electromagnetic disturbance resulting from the Sun and the other sources mentioned—more on that later.
With all that said, if the US is the target, Canada would almost certainly be in better shape when the dust has settled.
Terrorist attacks would likely be at a lower altitude, perhaps launched from the Gulf of Mexico. Unfortunately, while the line of site illustration is fairly common, no one really seems to have done any unclassified studies as to how damaging the 300 mile burst will be versus those at 120 or 30 miles. Many believe (me included) that older vehicles with less microelectronics would be less susceptible, but that hasn’t actually been proven by testing. Communication systems are more likely going to be the biggest immediate impact when it comes transportation– think about planes trying to land without aid, ships trying to dock, etc.
Finding out who was responsible might not be easy especially if it was done by state sponsored terrorists or if terrorists carried it out on their own. An EMP is generated when Gamma Rays from a high altitude nuclear explosion interact with the atmosphere to produce a radio frequency wave pulse that would hit everything in line of sight of the explosion.
The U.S is the largest debtor nation in the world so she would be forced to default on her debt bringing about a massive world depression. The Sun, however, only causes low-frequency electromagnetic disturbances, which will greatly affect how we protect against those events – coming in Part 2. An EMP detonated over the Eastern Seaboard (a likely target) would cause untold financial damage to our nation. As such the weapons held by those most likely to use them against the US will do almost as much damage as the larger weapons. But as you pointed out the largest problem is more of a domino effect stemming from the loss of power. A small crude nuclear weapon exploded high above the United States could create a devastating pulse. A determined adversary can achieve an EMP attack capability without having a high level of sophistication. He has been featured in the New York Times, Toronto Sun, Men’s Journal, Costco Connection, Popular Mechanics, and Money magazine. EMP is one of a small number of threats that can hold our society at risk of catastrophic consequences.
Yes, many cars might still run, but without electricity there would be no gas available to fuel them.
Some officials from Russia suggested they could use this capability against the United States in 1999 during the Balkans conflict.
Even if the blackout were only for weeks, the disruption to the United States would be immense. If a cold war reemerges with Russia, they also might see a world without the United States as being in their best interest and they also would pose a grave threat to the United States either directly or by supporting Islamic terrorists groups who would use this technology to bring the U.S. This could be the secret reason for some of the foolish positions she takes in the Middle and Far East. It has the capability to produce significant damage to critical infrastructures and thus to the very fabric of US society, as well as to the ability of the United States and Western nations to project influence and military power. Even conventional warfare may not be possible because our military would have to be recalled to the United States to restore domestic order. Nevertheless, I believe appeasement is playing right into the hands of the enemies and I believe that this policy is doomed to failure. The common element that can produce such an impact from EMP is primarily electronics, so pervasive in all aspects of our society and military, coupled through critical infrastructures.
Our vulnerability is increasing daily as our use of and dependence on electronics continues to grow.
The impact of EMP is asymmetric in relation to potential protagonists who are not as dependent on modern electronics.
The current vulnerability of our critical infrastructures can both invite and reward attack if not corrected.



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