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Sweeping stun guns to target crowds
New Scientist ^ | 6/16/04 | David Hambling

Posted on 06/16/2004 5:05:20 PM PDT by LibWhacker

Weapons that can incapacitate crowds of people by sweeping a lightning-like beam of electricity across them are being readied for sale to military and police forces in the US and Europe.

At present, commercial stun guns target one person at a time, and work only at close quarters. The new breed of non-lethal weapons can be used on many people at once and operate over far greater distances.

But human rights groups are appalled by the fact that no independent safety tests have been carried out, and by their potential for indiscriminate use.

Taser success rates by distance

The weapons are designed to address the perceived shortcomings of the Taser, the electric-shock gun already used by 4000 police departments in the US and undergoing trials with some police forces in the UK.

It hits the victim with two darts that trail current-carrying wires, which limit its range to a maximum of seven metres (see graphic). As a single shot, short-range weapon, the Taser is of little use in crowd control. And Tasers have no effect on vehicles.

Ionised gas

These limitations are beginning to be overcome. Engineers working for the US Department of Defense's research division, DARPA, and defence companies in Europe have been working out how to create an electrically conductive path between a gun and a target without using wires.

A weapon under development by Rheinmetall, based in Dorf, Germany, creates a conducting channel by using a small explosive charge to squirt a stream of tiny conductive fibres through the air at the victim (New Scientist print edition, 24 May 2003).

Meanwhile, Xtreme Alternative Defense Systems (XADS), based in Anderson, Indiana, will be one of the first companies to market another type of wireless weapon. Instead of using fibres, the $9000 Close Quarters Shock Rifle projects an ionised gas, or plasma, towards the target, producing a conducting channel. It will also interfere with electronic ignition systems and stop vehicles.

"We will be able to fire a stream of electricity like water out of a hose at one or many targets in a single sweep," claims XADS president Peter Bitar.

Solid-state lasers

The gun has been designed for the US Marine Corps to use for crowd control and security purposes and is due out in 2005. It is based on early, unwieldy technology and has a range of only three metres, but an operator can debilitate multiple targets by sweeping it across them for "as long as there is an input power source," says Bitar.

XADS is also planning a more advanced weapon which it hopes will have a range of 100 metres or more. Instead of firing ionised gas, it will probably use a powerful laser to ionise the air itself. The idea has been around for decades, says LaVerne Schlie, a laser expert at the US Air Force Research Lab in Kirtland, New Mexico. It has only become practical with advances in high-power solid-state lasers.

"Before, it took a laser about the size of two trucks," says Schlie. "Now we can do it with something that fits on a tabletop."

The laser pulse must be very intense, but can be brief. So the makers of the weapons plan to use a UV laser to fire a 5-joule pulse lasting just 0.4 picoseconds - equating to a momentary power of more than 10 million megawatts.

This intense pulse - which is said not to harm the eyes - ionises the air, producing long, thread-like filaments of glowing plasma that can be sustained by repeating the pulse every few milliseconds. This plasma channel is then used to deliver a shock to the victims similar to a Taser's 50,000-volt, 26-watt shock.

Instrument of torture

HSV Technologies of San Diego, California is also working on stun and vehicle-stopping shock weapons with ranges of over 100 metres. And another company, Ionatron of Tuscon, Arizona, is due to supply a prototype wireless vehicle-mounted weapon to the US Department of Defense by the end of 2004.

But the advent of wireless stun weapons has horrified human rights groups. Robin Coupland of the Red Cross says they risk becoming a new instrument of torture. And Brian Wood of Amnesty International says the long-range stun guns could "inflict pain and other suffering on innocent bystanders".

And there are safety concerns. Of the 30,000 times US police officers have fired Tasers, in 40 instances people stunned by them later died. The deaths have been attributed to factors such as overdoses of drugs and alcohol, or fighting with officers, rather than the electric shock.

In a statement, Taser International chief Rick Smith said: "In every single case the medical examiner has attributed the direct cause of death to causes other than the Taser." Amnesty is not convinced, however, and wants an independent study of the effects of all existing and emerging electric-shock weapons.


TOPICS: News/Current Events
KEYWORDS: bang; crowds; guns; nonlethal; stun
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To: TLI
10 Million MEGAWATTS????

0.4 picoseconds.

41 posted on 06/16/2004 10:05:55 PM PDT by fourdeuce82d
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To: henderson field

LOL


42 posted on 06/16/2004 10:11:10 PM PDT by Freedom2specul8 (Please pray for our troops.... http://anyservicemember.navy.mil/)
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To: lowbridge

When in doubt, put phasers on "kill."


43 posted on 06/16/2004 10:28:08 PM PDT by My2Cents (Well.....there you go again.)
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To: Cultural Jihad
The militia nutcase yahoos would decry the advent of this technology in the hands of the police unless the anarcho-mobs have them, too, supposedly.

I checked your 'user posts' page and noticed that you're on quite the anti-gun kick lately.

Are you familiar with what the Federalist Papers describe as 'arms' per the Second Amendment?

44 posted on 06/17/2004 9:35:44 AM PDT by jmc813 (Help save a life - www.marrow.org)
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To: henderson field
We need a new body of law that protects citizens from the government.

How's this for starters? Of course, that is exactly the kind of protection the government wants to deny you.

45 posted on 06/17/2004 9:44:40 AM PDT by sheltonmac ("Duty is ours; consequences are God's." -Gen. Thomas "Stonewall" Jackson)
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To: LibWhacker

Oh just great! -- the ultimate tool for bank robbers, muggers, etc. I wonder how long these will be out before they're used in a crime.


46 posted on 06/17/2004 9:57:22 AM PDT by meadsjn
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To: LibWhacker
"We will be able to fire a stream of electricity like water out of a hose at one or many targets in a single sweep," claims XADS president Peter Bitar.

And God said to Peter, "Yea, and I shall give unto you an instrument of justice, which ye shall use to smite hippies and return them unto the Volkswagon Bugs from whence they crawled." And the hippies were dispersed, and there was much rejoicing. Amen.

47 posted on 06/17/2004 1:03:41 PM PDT by ICX (PANTIES ON HEADS!!! THE OUTRAGE!!!)
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To: txflake

What are people with bad hearts doing in situations where they need crowd control?


48 posted on 06/17/2004 1:49:05 PM PDT by MarkeyD (<a href="http://www.johnkerry.com/about/">Three Paper Cuts and I'm Out</a>)
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To: LibWhacker
"Mr. Sulu. Set phasers on stun for a wide dispersal pattern. Target the large crowd in the city square. You may fire when ready."
49 posted on 06/17/2004 1:51:18 PM PDT by Bloody Sam Roberts (ø¤º°`°º¤ø,¸¸,ø¤º°`°º¤ø,¸¸,Election '04...It's going to be a bumpy ride,¸¸,ø¤º°`°º¤ø,¸¸,ø¤º°`°º¤ø)
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To: MarkeyD

Hailing a cab? Waiting for a bus? Rubbernecking?


50 posted on 06/17/2004 1:55:47 PM PDT by txhurl (~)
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To: LibWhacker

They should call them "zot" guns.


51 posted on 06/17/2004 1:56:21 PM PDT by techcor
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To: GSlob
By wearing a chain mail - or, if you are not a reenactor, a metallized or otherwise electroconductive clothing and shoes, and moisturizing your exposed skin with saline solution for the same purpose - your clothing will become your own lightning rod and you will be similarly protected.

Sorry. No dice. If you coat your body with an electrolyte like a saline solution and put on metal bloomers and then take an electrical hit...you are toast.

The only way you are protected is if you are insulated from the chain mail and ARE NOT grounded. If the chain mail IS grounded, the electrical charge will be conducted to ground without you being in the path of the circuit.

Think of the guy sitting in the cage during a large Van de Graff generator display. He is inside a grounded cage. He is insulated from the cage and he himself is not grounded. If he touches the cage...Poof!

52 posted on 06/17/2004 1:56:57 PM PDT by Bloody Sam Roberts (ø¤º°`°º¤ø,¸¸,ø¤º°`°º¤ø,¸¸,Election '04...It's going to be a bumpy ride,¸¸,ø¤º°`°º¤ø,¸¸,ø¤º°`°º¤ø)
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To: LibWhacker
I think they're going to outlaw tinfoil next!

Good Lordy...I hope not!


53 posted on 06/17/2004 1:58:30 PM PDT by Bloody Sam Roberts (ø¤º°`°º¤ø,¸¸,ø¤º°`°º¤ø,¸¸,Election '04...It's going to be a bumpy ride,¸¸,ø¤º°`°º¤ø,¸¸,ø¤º°`°º¤ø)
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To: LibWhacker
I want one

Mount them on the corners of the house and trigger them with motion sensors.

So9

54 posted on 06/17/2004 4:45:15 PM PDT by Servant of the 9 (We are the Hegemon. We can do anything we damned well please.)
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To: MarkeyD; sinkspur
"What are people with bad hearts doing in situations where they need crowd control? If you've got a pacemaker, stay out of trouble and away from riots."

The word innocent bystander comes to mind.

55 posted on 06/17/2004 10:50:14 PM PDT by TYVets (God so loved the world he didn't send a committee.)
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To: Unknowing
I am still waiting for flying cars!

Would you settle for an amphibious bus?


56 posted on 06/18/2004 8:21:01 AM PDT by NYer (It's the "Ten Commandments" - NOT the "Ten Suggestions")
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To: TYVets

How many innocent bystanders are there going to be when a crowd of peaceniks are facing off the police. And in competent hands, it seems like the crowd would get more than enough advance notice.


57 posted on 06/18/2004 10:04:20 AM PDT by MarkeyD (<a href="http://www.johnkerry.com/about/">Three Paper Cuts and I'm Out</a>)
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