Monday, February 25, 2008

Law And Order (Season 2) DVD Review

Nominated for 52 Emmys since its 1990 premiere, including 11 for Outstanding Drama Series, Law & Order is one of the most popular television shows in modern day history. With an additional 4 Golden Globe nominations for Best TV Series (Drama), Law & Order is more than a TV show, it's a lucrative franchise for host network NBC, spawning popular spin-offs Law & Order: Special Victims Unit (1999), Law & Order: Criminal Intent (2001), and (the now cancelled) Law & Order: Trial By Jury (2005). Filmed on location in New York City, the show is the brainchild of creator Dick Wolf, a longtime writer for successful TV series such as Hill Street Blues and Miami Vice. With sixteen successful seasons already on the books, and more on the way, Law & Order remains one of the best drama series available on any network

Law & Order centers around the New York City criminal justice system, where "the people are represented by two separate yet equally important groups - the police who investigate crime, and the district attorneys who prosecute the offenders". The first half of each one-hour episode is dedicated to the initial revelation of a crime and the police investigation that subsequently takes place. This usually involves interviewing witnesses, following leads, testing evidence, and/or hammering out a confession. Once sufficient evidence has been gathered to charge a suspect, the remainder of the show revolves around the district attorney's office and their attempts to prosecute the offenders. Oftentimes, the audience will be witness to unexpected plot twists, unorthodox media-driven cases, or last minute, Perry Mason-like confessions or brokered deals. Given its long TV run, the cast of Law & Order has frequently changed over the years - with only a handful of characters experiencing lengthy runs, characters such as Det. Lennie Briscoe (Jerry Orbach), Lt. Anita Van Buren (S. Epatha Merkerson), and EADA John "Jack" McCoy (Sam Waterston)

The Law & Order (Season 2) DVD features a number of dramatic episodes including the season premiere "Confession" in which Det. Logan goes too far in interrogating the man suspected of Max Greevey's murder. En route to obtaining a confession, Logan endangers the prosecution's case Other notable episodes from Season 2 include "Misconception" in which the mugging of a pregnant woman leads to murder charges when she loses the baby, and "Vengeance" in which the parents of a murder victim attempt to overturn the conviction of her killer so that he can face charges in another state where the death penalty is still enforced

Below is a list of episodes included on the Law & Order (Season 2) DVD:

Episode 23 (Confession) Air Date: 09-17-1991
Episode 24 (The Wages of Love) Air Date: 09-24-1991
Episode 25 (Aria) Air Date: 10-01-1991
Episode 26 (Asylum) Air Date: 10-08-1991
Episode 27 (God Bless the Child) Air Date: 10-22-1991
Episode 28 (Misconception) Air Date: 10-29-1991
Episode 29 (In Memory Of) Air Date: 11-05-1991
Episode 30 (Out of Control) Air Date: 11-12-1991
Episode 31 (Renunciation) Air Date: 11-19-1991
Episode 32 (Heaven) Air Date: 11-26-1991
Episode 33 (His Hour Upon the Stage) Air Date: 12-10-1991
Episode 34 (Star Struck) Air Date: 01-07-1992
Episode 35 (Severance) Air Date: 01-14-1992
Episode 36 (Blood is Thicker) Air Date: 02-04-1992
Episode 37 (Trust) Air Date: 02-11-1992
Episode 38 (Vengeance) Air Date: 02-18-1992
Episode 39 (Sisters of Mercy) Air Date: 03-03-1992
Episode 40 (Cradle to Grave) Air Date: 03-31-1992
Episode 41 (The Fertile Fields) Air Date: 04-07-1992
Episode 42 (Intolerance) Air Date: 04-14-1992
Episode 43 (Silence) Air Date: 04-28-1992
Episode 44 (The Working Stiff) Air Date: 05-14-1992

Britt Gillette is author of The DVD Report, a blog where you can find where you can find more reviews of movies and TV series. Source: http://thedvdreport.blogspot.com/2006/02/law-and-order-season-2-dvd.htmlWatch Cold Case Tv Show Online
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How Accurate Is Your Multimeter And What Is True Rms?

Every electrical technician knows the difference between DC (Direct Current) and AC (Alternating Current). Every electrical technician also realizes the importance of taking accurate current measurements to protect conductors from exceeding their insulators' ability to withstand heat or assuring devices under power work properly. However, does every electrical technician realize that electrical current measurements aren't always what they appear to be?

Direct Current (DC) is straightforward. When we use a multimeter to measure direct current, it is what it is. However, the plot thickens when we are dealing with Alternating Current (AC). AC current travels back and forth down a conductor and can best be described in graphical format. The most common graphical description of AC current is a sine wave. Because the amplitude of the sine wave continuously changes over the wave period (one complete cycle), at any given point in time, a current measurement would not be the same. Therefore, how do we accurately measure AC Current?

One method to measure AC current would be take current measurements at increments across one complete cycle and average them together. This would give us an average value of the current. If the current is a perfect sine wave, mathematically, the average value is always 0.636 times the value of the peak amplitude.

Another method to measure current is based on the current's ability to perform work when applied to a resistive load. The laws of physics tell us that when current passes through a resistive load, it dissipates energy in the form of heat, mechanical motion, radiation or other forms of energy. If the resistive load is a heating element and the resistive load stays constant, then the laws of physics tell us that the heat produced is directly proportionate to the current passing through the load. Therefore, if we measure the heat, we will know the current.

Mathematically, the relationship between heat and current is such that the heat produced is proportional to the square of the current applied to a resistance.

(Power or Heat) = (Current) ^2 * (Resistance)

If the current is continuously changing, as in AC current, the heat produced is proportional to the average (or mean) of the square of the current applied to a resistance:

(Power or Heat) = Average [ (Current) ^2 * (Resistance) ]

Using algebra, the above formula can be rewritten to read:

Current = Square Root [ (Power or Heat) / (Resistance) ]

AND this is called the Root Mean Square Current or RMS Current.

For AC currents that are graphically represented by a sine wave, the RMS current will always be 0.707 times the peak current. With that said, we can calculate current by multiplying peak measurements by 0.707 if the current is a perfect sine wave. However, perfect sine waves are rare in most commercial and industrial applications. This is because resistive loads in commercial applications are not linear which results in unpredictable or variable current requirements.

In order to get a True RMS measurement, we can measure the heat dissipated by a constant resistive load and perform the above calculations. The result is a True RMS measurement.

Now that we got all the technical discussion out of the way, which is the best method to calculate current? Should we 1.) measure a current average 2.) multiply current peaks by 0.707 to get an RMS current, or 3.) measure the heat from a resistor and calculate a True RMS current value?

Although Global Test Supply sells multimeters that can calculate current using any of the above methods, the most accurate way to calculate current in my opinion is a True RMS method. Average current values often are 40% less than True RMS values and that could mean the difference between blown circuit breakers, malfunctioning motors, or worst case, potential fire hazards. True RMS multimeters only cost about 20-30% more than the alternative. How much is an accurate current reading worth to you?

Robert Preville is the President and CEO of Global Test Supply, LLC, a distributor of test and measurement equipment, and welcomes question from those looking for a http://www.globaltestsupply.comService Providers Worldwide Satellite Internet
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