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Originally posted by Robinoz
Why would China attack the US? Apart from the fact that the US Government sticks it's nose into everyone else's business, it is always the first to respond with generous aid when crises strike anywhere on the planet. Additionally, the US community is a huge customer of the Chinese. If they wiped out the US, much of the assets would be either of no use or too dangerous to extract. The Chinese economy would take a downward hit.
You can bet your life that the US has strategies in place to stop anyone getting close enough to drop anything on the US.
The greatest threat to the US at present is Islamisation as it is in most Western, free and democratic societies. We are already at war with Islam ... it will only get worse in the future as the insidious disease spreads. China might be the only place left to go when Islam takes over and those of us who don't want to live under an Islamic totalitarian regime need somewhere to go.
EMP generation The strong electromagnetic pulse (EMP) that results has several components. In the first few tens of nanoseconds, about a tenth of a percent of the weapon yield appears as powerful gamma rays with energies of one to three mega-electron volts (MeV, a unit of energy). The gamma rays rain down into the atmosphere and collide with air molecules, depositing their energy to produce huge quantities of positive ions and recoil electrons (also known as Compton electrons). The impacts create MeV-energy Compton electrons that then accelerate and spiral along the Earth's magnetic field lines. The resulting transient electric fields and currents that arise generate electromagnetic emissions in the radio frequency range of 15 to 250 megahertz (MHz, or one million cycles per second). This high-altitude EMP occurs between 30 and 50 kilometers (18 and 31 miles) above the Earth's surface. The potential as an anti-satellite weapon became apparent in August 1958 during Hardtack Teak. The EMP observed at the Apia Observatory at Samoa was four times more powerful than any created by solar storms, while in July 1962 the Starfish Prime test damaged electronics in Honolulu and New Zealand (approximately 1,300 kilometers away), fused 300 street lights on Oahu (Hawaii), set off about 100 burglar alarms, and caused the failure of a microwave repeating station on Kauai, which cut off the sturdy telephone system from the other Hawaiian islands [1]. The radius for an effective satellite kill for the various prompt radiations produced by such a nuclear weapon in space was determined to be roughly 80 km. Further testing to this end was carried out, and embodied in a Department of Defense program, Program 437.
Originally posted by spy66
Originally posted by jed001
Originally posted by spy66
I agree with the OP. If China or Russia set of a EMP from space, not by a long range missile but by a orbital drifter. It would be very hard for the US to retaliate, For two reasons;
1. satellite receivers and other above ground communication receivers would shot down immediately. No communication. This will delay out going warnings. This will create a confusion and time will be spent on gathering intel about what happened.
2. The US would not know who attacked, because its external sensors shut down. The once above ground.edit on 27.06.08 by spy66 because: (no reason given)
so,..... you don't think that the US would not use some of its own space based weapons to destroy any kind of orbital drifter........
Sure they would, but they would have to spot it first and figure out if it is a weapon or not.
There Is a lot of junk drifting around in space. And a lot of junk satellites with radiation signatures, but they are not all seen as being weapons.
Originally posted by spy66
reply to post by jed001
There was quite a lot of American fear when China was able to shoot down one of its own satellites.
If the US shoots down a Chinese satellite, you can bet you back side that Chine will do the same and target American satellites.
i am pretty sure that NORAD tracks anything larger than a baseball.
Originally posted by nightbringr
I want to know where all these people who think EMPs arent nuclear are getting their information from? Deny ignorance, people.
Originally posted by spy66
Originally posted by nightbringr
I want to know where all these people who think EMPs arent nuclear are getting their information from? Deny ignorance, people.
explosively pumped flux compression generator (EPFCG) en.wikipedia.org... atoredit on 27.06.08 by spy66 because: (no reason given)
Man the link dosent work, but you now know what to look for.edit on 27.06.08 by spy66 because: (no reason given)
Originally posted by the4thhorseman
Funny I just found this thread yesterday. I was finally able to watch Trinity and Beyond movie about atomic bombs (pretty nice documentary).
OK back on topic. I remember in the video that we did atmospheric detonations. Which caused and EMP blast. I believe it what Teak and Orange shots. These were "only" 3.8 mega-ton bombs and they caused damage from Honolulu to New Zealand. However most of the damage was not permanent. I recall in the vid that the radio was down for about 8 hours and some components fried. Now these tests where done in the late 50's and early 60's. I would think at least the US military has planned ahead on most of its tech.
This does not mean we are safe stateside. But to allow our tech that is created here state side and allow that infrastructure to be damage hindering war efforts I do not see that happening. I believe that EMP threat is real, I am just not sure how real the effect is.
EMP generation The strong electromagnetic pulse (EMP) that results has several components. In the first few tens of nanoseconds, about a tenth of a percent of the weapon yield appears as powerful gamma rays with energies of one to three mega-electron volts (MeV, a unit of energy). The gamma rays rain down into the atmosphere and collide with air molecules, depositing their energy to produce huge quantities of positive ions and recoil electrons (also known as Compton electrons). The impacts create MeV-energy Compton electrons that then accelerate and spiral along the Earth's magnetic field lines. The resulting transient electric fields and currents that arise generate electromagnetic emissions in the radio frequency range of 15 to 250 megahertz (MHz, or one million cycles per second). This high-altitude EMP occurs between 30 and 50 kilometers (18 and 31 miles) above the Earth's surface. The potential as an anti-satellite weapon became apparent in August 1958 during Hardtack Teak. The EMP observed at the Apia Observatory at Samoa was four times more powerful than any created by solar storms, while in July 1962 the Starfish Prime test damaged electronics in Honolulu and New Zealand (approximately 1,300 kilometers away), fused 300 street lights on Oahu (Hawaii), set off about 100 burglar alarms, and caused the failure of a microwave repeating station on Kauai, which cut off the sturdy telephone system from the other Hawaiian islands [1]. The radius for an effective satellite kill for the various prompt radiations produced by such a nuclear weapon in space was determined to be roughly 80 km. Further testing to this end was carried out, and embodied in a Department of Defense program, Program 437.
Source
Originally posted by nightbringr
Originally posted by spy66
Originally posted by nightbringr
I want to know where all these people who think EMPs arent nuclear are getting their information from? Deny ignorance, people.
explosively pumped flux compression generator (EPFCG) en.wikipedia.org... atoredit on 27.06.08 by spy66 because: (no reason given)
Man the link dosent work, but you now know what to look for.edit on 27.06.08 by spy66 because: (no reason given)
Yes. But do you think that is what the will be used? No. High yield nuclear warheads airburst at a high altitude. What you are refering to is not what would be used in this situation.
Originally posted by camaro68ss
That test was to be a bomb. its goal was to blow up and not Emit an EMP. EMP bombs are atomic bomb but are tweaked to have a higher EMP yield as its primary objective.
The potential as an anti-satellite weapon became apparent in August 1958 during Hardtack Teak. The EMP observed at the Apia Observatory at Samoa was four times more powerful than any created by solar storms,
Originally posted by Ghost375
No one should be scared of anything. What happens happens. Nothing you can do to stop it. There's either going to be an EMP or not...being afraid won't change anything.