Posts Tagged ‘walk through metal detector’

Nuke Treaty May Fail

Monday, June 14th, 2010

Cited: Reuters

Egypt and the United States and its allies clashed over a push to pressure Israel to scrap any atom bombs it may have during the talks on shoring up the global anti-nuclear arms treaty on May 28th. This has put the arms treaty on the edge of failure.

World

For a month the 189 signatories of the 1970 nuclear Non-Proliferation Treaty have been meeting in New York in hopes of agreeing on a plan to shore up the troubled pact, which analysts say has been hit by Iran’s and North Korea’s atomic programs and failure by the nuclear powers to disarm.

The latest draft of a final declaration for the NPT review conference calls for U.N. Secretary-General Ban Ki-moon to organize a meeting of all Middle Eastern states in 2012 on how to make the region free of nuclear and other weapons of mass destruction (WMD) as demanded by a 1995 NPT resolution.

The creation of a WMD-free zone would eventually force Israel to abandon any atomic bombs it has. The Jewish state, which like nuclear-armed India and Pakistan never signed the NPT, is presumed to have a sizable nuclear arsenal but neither confirms nor denies it. Israel is not participating in the NPT meeting.

In a radical departure from the previous U.S. administration, President Barack Obama’s negotiators had agreed to join the NPT’s other four official nuclear powers — Britain, France, Russia and China — in backing such a conference while encouraging reluctant Israel to participate.

The five permanent U.N. Security Council members and a group of Arab states led by Egypt are close to a deal that would make the 2012 conference happen, delegates say. But the two sides have reached an impasse on the question of whether Israel should be named in the declaration as a problem state.

The Egyptians insist the declaration must state explicitly that Israel should join the NPT as a non-nuclear weapon state, but the Americans are refusing, diplomats said.

LAST-MINUTE COMPROMISE?

One Western diplomat familiar with the talks described the situation as “not looking too hopeful.”

He said there was a “stark choice for the Arabs — name and shame Israel or have a conference in 2012 to move forward the 1995 promise … toward a WMD-free zone in the Mideast.”

“My bet is their (the Arabs’) short-term political needs will trump their long-term strategic interest,” he said.

Other delegates confirmed the possibility that the NPT review conference would fail to agree on a final declaration because of disagreements on the Middle East question, repeating what happened at the last NPT review conference in 2005.

But diplomats said they hoped the United States and Egypt — the key players in the Middle East negotiations — would strike a last-minute compromise that salvaged the conference.

“We’ve worked so hard for the past month,” one diplomat said. “We’ve got a strong draft that would strengthen all three pillars of the NPT — disarmament, non-proliferation and peaceful use of nuclear energy. It shouldn’t be thrown away.”

Western diplomats said Israel had reluctantly agreed to attend the 2012 conference but only on condition that it not be “named and shamed” in the final declaration.

Iran’s envoy to the U.N. nuclear watchdog, Tehran’s chief delegate, accused the United States of causing the impasse at the NPT talks. Apart from the Middle East WMD-free zone, he said Washington and the other nuclear powers had rejected key demands of Iran and the other non-aligned developing nations.

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Ambassador Ali Asghar Soltanieh said those demands were for a precise deadline for nuclear powers to disarm, a call for negotiations on a treaty banning the use of atomic arms, and a pledge from the five nuclear powers not to use atomic bombs on states without them, known as a “negative security assurance.”

“The nuclear weapon states, particularly the United States, have not cooperated to find a solution for these four main issues,” Soltanieh told reporters, adding that the NPT talks had reached a deadlock.

Soltanieh said, “They should be blamed for consequences,” if the nuclear powers refuse to compromise. Tehran is prepared to block a declaration that it viewed as too weak stated Soltanieh. Iran has a virtual veto since the NPT meetings make decisions by consensus.

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My Take: Everybody should be afraid because nobody wants to agree on the nuclear disarmament treaties. This tells me that there’s going to be increased security at airports, train stations and shipyards where cruise ships come into port. It also means that they’re going to have more drug dogs and attack dogs at these locations as well. I read somewhere that these dogs actually go through problem solving dog training courses to be better at what they do.

You also see more metal detectors like the walk through metal detector at airports. Airports are big on metal detection security. More people enter the country through the airports and to any other area. So I guess that makes it logical. What they need is radioactive detectors to detect the uranium they use in atomic bombs.

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Other Resources

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How Do Metal Detectors Work?

Tuesday, April 28th, 2009

Metal detectors are devices that are used to detect metal objects in the soil, on people or in cargo. These metal objects can be discarded pieces of aluminum, jewelry, coins, and tools and can be buried underground. Metal detectors are also used in humanitarian, industrial and security fields. Knowing how a metal detector works helps people to use them more effectively.

A metal detector is made up of 4 main parts. The stabilizer, control box, shaft and search coil. The search coil can also be called a search head, search loop or antenna. The stabilizer is mainly used in handheld detectors near the handgrip area. The control box or brain of the detector consists of a microprocessor, circuitry, speaker, controls and in the handheld, batteries. A shaft of the handheld detector connects the control box and search coil and is adjustable to accommodate the height of its user. The search coil, the most important part, is the part that senses metal objects.

The principle behind all detectors is the principle of electromagnetism and its effect on conductive metals. The transmitter in the search coil generates a penetrating electromagnetic field. This field can detect objects below ground level because it has caused the item to become charged with magnetism. A signal is sent back through the control box and into the speaker system, signaling the user that something has been found. Newer metal detectors can actually display the type of metal that is found as well as how deep the objects are.

Of course, the same basic technology is used for a walk through metal detector that you see in most airports and courthouses. The various technologies are very low frequency or VLF, pulse induction or PI and beat frequency oscillation for BFO. The most popular technology today is VLF technology.