Portable pain weapon may end up in police hands.

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PostMon Oct 05, 2009 9:22 pm » by Timewarp


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THE Pentagon's efforts to develop a beam weapon that can deter an adversary by causing a burning sensation on their skin has taken a step forward with the development of a small, potentially hand-held, version. The weapon, which is claimed to cause no permanent harm, could also end up being used by police to control civilians.

The idea of the weapon is to "create a heating sensation that repels individual adversaries", according to the Joint Non-Lethal Weapons Directorate (JNLWD) in Quantico, Virginia, which develops less-lethal weapons for the US military and coastguard.

Tests with a rifle-mounted infrared laser, carried out at a US air force lab near Dayton, Ohio, have determined a combination of laser pulse power and wavelength that causes an alarming, hot sensation on the skin, but which stops short of causing a burn, says JNLWD project engineer Wesley Burgei.

"We have established the minimum irradiance to cause a sensation and have characterised where thermal injury begins," he says. "But the exact operating irradiance which balances a useful military effect with a conservative margin of safety has not been nailed down yet."

That's something that will have to be done before the weapon is deployed, as too powerful a laser beam could permanently blind someone if fired at their eyes. Weapons that do this are banned under the UN Protocol on Blinding Laser Weapons.

Burgei says it is possible to create a beam that will affect the skin without damaging the cornea, and do so at a wavelength that does not penetrate to the retina "and would therefore be retina safe".
Pentagon researchers say they can create a beam that will affect skin without damaging the cornea

The JNLWD says that tests at the Air Force Research Laboratory's human effectiveness lab have established that the skin heating effect causes no permanent damage - suggesting it may have "military utility". The tests also highlighted areas in need of improvement before troops can use it, says lab manager Semih Kumru - though what those features are has not been revealed.

The proposed system is rifle mounted, with a sight above it and a visible low-power laser beam that the soldier uses to aim the invisible infrared laser. The solid-state laser system is battery-powered, and could become hand-held "in the near future", Burgei says.

The weapon, which has been evolving since 2005, is officially known at the Pentagon as the Thermal Laser System. The US National Institute of Justice, which is also funding the weapon's development in the hope that it may prove useful for the police, refers to it as the IR-Lesslethal device.

The Pentagon already has a large crowd control weapon called the Active Denial System that can heat whole groups of people, causing them to flee. It uses a flat-plate antenna mounted on a truck or aircraft to aim a 2-metre-wide microwave beam at the crowd.

Like all supposedly non-lethal weapons that could be used to control civilians, the Pentagon's new portable weapon is raising concerns. "I'd like to know why they want another advanced pain compliance weapon like this," says Steve Wright, non-lethal weapons analyst at Leeds Metropolitan University in the UK. "Persuading by pain rather than brain - through conversation - has led to push-button torture in the past. If it leaves no mark on the skin how will anyone prove it's been abused?"

http://www.newscientist.com/article/mg2 ... -harm.html

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PostMon Oct 05, 2009 9:29 pm » by Savwafair2012


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Police in Pittsburgh are using sound blasters and other non-lethal weaponry to ward off protesters at the G-20 summit. The sonic weapon is the LRAD or Long Range Acoustic Device, a super loud-hailer deployed by U.S. forces and famously used to fight off pirates.


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According to the Guardian, LRAD is being used in two ways: as a megaphone to order protesters to disperse, and, when they disobey, as an “ear-splitting siren” to drive them away. This has happened repeatedly, with the crowd assembling again a few streets away. It’s one of a number of controversial tactics being employed in the city; check out this video of a seeming “snatch-and-grab” arrest in the middle of a demonstration.

The sonic weaponry appears to be having a much greater effect thousands of miles from Pittsburgh, in Honduras.

A siege situation has developed in the capital Tegucigalpa, where ousted President Manuel Zelaya is holed up in the Brazilian Embassy. The security forces can’t launch an assault, but they are stepping up the pressure with sound blasters and psychological warfare tactics.

Forced into exile in a coup three months ago, Zelaya sneaked back into the country on Monday. He gave speeches to crowds of supporters from an embassy balcony, calling for a peaceful solution to the current crisis. Recognizing the risk of a popular response, the coup leaders sent in security forces to clear the area using tear gas and water cannon. According to the Guardian, twenty people were injured and at least 170 detained following the disturbance; the BBC say that at least one person died.

The embassy is now surrounded. Water, electricity and telephone lines have been cut off. Embassy staff were permitted to leave, but access is now restricted. According to the BBC the embassy occupants have no soap, towels or fresh clothes and are surviving on biscuits. These are fairly routine methods of making the subjects of a siege feel isolated and uncomfortable, but an added dimension has been added by the use of noise.

According to Reuters, a truck-mounted speaker was used “to blast the embassy with harsh sounds.” The Guardian describes the speakers as being used to generate “high-pitched noise.” The Miami Herald cites witness reports that “soldiers used a device that looked like a large satellite dish to emit a loud shrill noise.”

The device seems to have spooked Zelaya; in the Herald report, he claims that he is under attack by some sort of radiation weapon. This reminds me of someone I talked to who once told some protesters that the LRAD sonic blaster emitted radiation that would shrivel their testicles. He was impressed at how fast they got out of the way.

The Herald quotes a police spokesman as saying that no such device is in use: “The only elements surrounding that embassy are police and military, and they have no such apparatus.”

The use of speakers in siege situation harks back to the situation in Panama in 1989 when President Noriega took refuge in the Vatican Embassy. U.S. forces blasted him with heavy rock music (which was eventually turned off after a complaint by the Pope). The idea is to cause sleep deprivation and increase the target’s stress levels.

The FBI used the same tactic at the Waco siege in 1993, but with a wider variety of sounds including the squeal of rabbits being killed. It was even proposed that they should use a Russian technique known as “acoustic psycho-correction,” a form of subliminal messaging in which commands are hidden in white noise or other sound to influence the target’s unconscious. However. The FBI was skeptical , and was concerned that the device might have unpredictable effects.

Speakers are also used to subject detainees to constant music in Iraq, Afghanistan and Guantanamo Bay. The endless loop of Barney the Dinosaur received a lot of publicity, but interrogators also use Eminem, AC/DC and Bruce Springsteen. One theory has it that the music used contains hidden messages as a form of acoustic psycho-correction. Another is that the music itself is a form of “no touch torture.”

The political situation in Honduras remains in limbo. The interim government that forced Zelaya out has not won international recognition. The World Bank has suspended financial aid and EU countries have withdrawn their ambassadors. But equally there is little international pressure for the interim government to stand down. Zelaya has called in president Obama to apply sanctions, as Honduras relies on the U.S. for 75% of its trade, but there is no sign of this happening.

Meanwhile, Zelaya is talking to the interim government , but they insist that this is not about returning him to power. They’re probably hoping that if the siege continues long enough, and they keep the psychological pressure up on Zelaya, he will eventually cave in.


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The research arm of the U.S. Department of Justice is working on two portable non-lethal weapons that inflict pain from a distance using beams of laser light or microwaves, with the intention of putting them into the hands of police to subdue suspects.
The two devices under development by the civilian National Institute of Justice both build on knowledge gained from the Pentagon’s controversial Active Denial System (ADS) – first demonstrated in public last year, which uses a 2-meter beam of short microwaves to heat up the outer layer of a person’s skin and cause pain.
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