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May 24, 2012
Jeff Jacoby: The peace process battered Israel's reputation
Michael Muskal: 'Pro-choice' position hits record low, according to poll
Chris Farrell: Are We in a Tech Bubble?
The Kosher Gourmet by Penelope Wall: PHILLY CHEESE STEAKS --- hold the steak!
May 23, 2012
Tony Pugh: More private colleges offering tuition discounts
Mary Beth Franklin: How to Choose the Right Annuity for You
Tina Susman: The wig wasn't enough: Man gets 13 years for posing as his dead mom
The Kosher Gourmet by Emma Christensen:A simple way to do fish right
May 22, 2012
Warren Richey: Can US group challenge overseas surveillance act? Supreme Court to decide
Thomas M. Anderson: Walking Away From a Mortgage
The Kosher Gourmet by Megan Gordon: Enjoy a celebration of the most rich and layered flavors: Black bean, sweet potato and quinoa chili
May 21, 2012
Mark Clayton: Cybersecurity: How US utilities passed up chance to protect their networks
Howard LaFranchi: NATO summit: Who will foot the bill for long-term Afghanistan security?
Chris Farrell : Earn Dividends in Emerging Markets with This WisdomTree ETF
Stephen Whiteside, Ph.D. : Mayo Clinic Medical Edge: Social anxiety disorder --- or just shy?
Guy Jackson : Victim's father regrets death of Lockerbie bomber
The Kosher Gourmet by Mario Batali: Famed chef's veal shoulder farsumagru: A festive meat course for late spring
May 18, 2012
Rabbi Berel Wein: Striving: The People of the Book's Book for (All of) the People
Steven Goldberg: 5 Great Stock Picks and the Exchange-Traded Fund that Owns Them
Mary Pickett, M.D.: Ask the Harvard Experts: Don't be forced into gluten-free lifestyle based merely on a doctor's false-positive test
The Kosher Gourmet by Carolyn Malcoun: DIY healthy lunchbox treats: HOMEMADE FRUIT BARS for kids and brown-bagging adults alike
May 17, 2012
Warren Richey: Teacher fired for being unwed and pregnant can sue religious school, court rules
Josh Mitnick: Netanyahu's 'centrist' coalition is already proving it's anything but
Steven Goldberg: Earn Dividends in Emerging Markets with This WisdomTree ETF
Amina Khan: Research links coffee to lower death rates
The Kosher Gourmet by Faith Duran : Cheesy Potato Breakfast Casserole with Cheddar and Sun-Dried Tomatoes
May 16, 2012
Carmen Terzic, M.D., Ph.D. : Mayo Clinic Medical Edge: A variety of exercises can help improve balance
Melissa Healy: National strategy on Alzheimer's disease aims to halt it by 2025
The Kosher Gourmet by Joyce White : GOODNESS GRACIOUS: GREENS! 4 winning recipes that are no longer just for down-home folks (Includes expert tips & techniques)
May 15, 2012
Kristen Chick: Obama administration resumes arms sales to Bahrain despite serious unresolved human rights issues. Activists feel abandoned
Pat Mertz Esswein: Homes are now affordable again and mortgage rates are low. What you need to know before you buy
Kathy Kristof: Our Practical Investor Fights Inflation with These 6 Investments
Sue Hubbard, M.D.: The Kid's Doctor: Lactose intolerant young child? Check again
The Kosher Gourmet by Kathy Hunt: Spread a Little Excitement with EXOTIC CONDIMENTS (4 RECIPES)
May 14, 2012
Lisa Gerstner: How to Protect Your Identity, Finances If You Lose Your Phone
Harvard Health Letters: Heart disease and dementia
The Kosher Gourmet by Megan Gordon: MANGO COCONUT OAT MORNING MUFFINS are a bright but hearty delight
May 11, 2012
Jessica L. Anderson: Get the Best Deal on a Used Car
Jett Stone: Forget face-lifts and fake knees. Scientists have seen the fountain of youth --- and it's broccoli
The Kosher Gourmet by Chef Mario Batali: The famed chef's vegetable dish that tastes true to the season: FAVAS AND SUGAR SNAP PEAS WITH POTATOES AND TARRAGON
May 10, 2012
Sergei L. Loiko: Putin sends warning to U.S., NATO in Victory Day speech at Red Square
Mary Rourke: How being a 'mentch' got Vidal Sasoon his start and fighting in Israel's War of Independence provided him with confidence and a strong sense of his own identity
Jeff Bertolucci: Get Home Phone Service for Less Than $10 a Month
The Kosher Gourmet by Betty Rosbottom: Gleaming with its golden, crimson, and snowy white hues, this silken smooth and creamy STRAWBERRY ORANGE TRIFLE looks impressive, but is easy to prepare
May 9, 2012
Sharon Palmer, R.D. How you can reduce your risk -- or delay -- chronic diseases associated with aging
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Jewish World Review
How Tasers work
By
Marshall Brain
http://www.JewishWorldReview.com | (MCT)
Tasers are in the news often right now. Police officers are using Tasers more and more, people sometimes die after being hit by a Taser, the United Nations is looking into the possibility that a Taser is an instrument of torture, and so on. Which leads to the obvious question: How does a Taser work?
So let's start at the beginning. Taser is the name of a company. The company makes a wide range of products designed to incapacitate people using high voltage shocks. There really is no magic here. Farmers have been using high voltage shocks - in the form of electric fences - for decades. Taser is the company that popularized the pistol version of this idea for use on people.
I got my indoctrination to high voltage shocks on an otherwise peaceful summer day. When I was in college I worked on a farm that raised cattle, and they used electric fencing to keep the cows in their pasture. An electric fence is just a strand of bare wire that connects to an electric fence charger in the barn. About once a second, the charger sends out a high voltage pulse along the bare wire. It was raining and I was working with a cow when I accidentally touched the wire with my arm.
It is hard to describe how it feels, but imagine all of your muscles tensing at once. It is not really painful, but you are incapacitated for sure. The voltage overwhelms the signals that your brain is sending to the muscles, and you lose control of your own body.
A Taser pistol is a modernized, portable version of the farmer's electric fence. The gun contains a small version of an electric fence charger that can produce up to 50,000 volts. It is a battery-operated circuit that creates a high voltage pulse. That part is easy. The problem is this: how do you get the voltage into the criminal to incapacitate him? Taser solved this problem using darts.
At the front of the gun are two small metal darts. The tip of the dart is a stainless steel needle with a barb on it like a fishhook. Each dart is connected to a thin, 20-foot-long wire. When the officer pulls the trigger, it opens a cartridge filled with high-pressure gas. The gas shoots the two darts out of the barrel of the gun, and the wires uncoil behind them. When the darts hit the criminal, the high voltage charge flows through the wires, into the darts and into the criminal's body. Most people fall to the ground when they get hit. Usually that is enough, but if necessary the officer can apply more that one dose of electricity.
Two other things happen when the officer pulls the trigger. First there is a little shower of confetti. The dart cartridge contains small tags printed with the serial number of the cartridge. The tags show where the officer was standing when he fired and which cartridge was fired from that position. Second there is a data record that gets created. A Taser pistol can record the date, time and temperature at the time the officer fired the gun, as well as the length of each pulse and the number of pulses sent into the darts. This information makes it easier to reconstruct what actually happened at the scene.
Thousands of Tasers in the United States have also been outfitted with small digital video cameras. They start recording as soon as the officer releases the gun's safety. The Taser Cam records audio and video, and has an infrared capability so it can record in the dark. The recording makes it easier to understand exactly what was happening when the officer fired the Taser.
A Taser is supposed to be a non-lethal product, but people sometimes die after being hit by a Taser. In fact, dozens of people have died in the United States shortly after a Tasering. The question: Is the Taser the cause of death? The jury is out on this. Animal tests show that Tasers are not lethal, at least to animals. And in many cases where people die after being Tased, there are extenuating circumstances such as drug use or extreme exertion during arrest. One large scale study performed by Wake Forest University showed most Taser injuries to be minor. Both the United Nations and Amnesty International are studying Tasers to determine whether or not they should be classified as instruments of torture. If so, police would have go back to using pepper spray.
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Comment by clicking here.
Previously:
How giant TV screens work
How foreclosure works
How Air Force One works
How wildfire fighting works
How vitamins work
How ejection seats work
How reattaching limbs works
How hot air balloons work
How paparazzi work
How counterfeiting works
How CDs work
How the Edsel worked
How Stinger missiles work
How hybrid cars work
How sharks work
How mosquitoes work
How diesel engines work
How water towers work
How the Dawn mission works
How Kassam rockets work
How the North American Eagle works
Why aren't we flying to work?
How tofu and soy milk work
How Colony Collapse Disorder works
How airbags work
How the U.S. income tax works
How gum works
How caffeine works
How Daylight Saving Time works
How a cruise missile works
How snow making works
© 2007, How Stuff Works Inc. Distributed by McClatchy-Tribune Information Services.
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