|Category||Electronics / Photography: A/V Media: Movie / TV|
|Amazon.com||Buy on Amazon ~ B0006B3UEQ|
|Price New||1.40 US Dollars (curriencies)|
|Price Used||0.59 US Dollars (curriencies)|
|Rating||R - Restricted|
|Trailer||Watch The Trailer|
|Run Time||120 minutes|
|Cast||Tom Cruise, Jamie Foxx, Jada Pinkett Smith, Mark Ruffalo|
|Width||5.42 inches (convert)|
|Height||0.58 inches (convert)|
|Length||7.1 inches (convert)|
|Weight||2.88 ounces (convert)|
|Run Time||120 minutes|
|Long Description||LA cabbie Max Durocher is the type of person who can wax poetic about other people's lives, which impresses U.S. Justice Department prosecutor Annie Farrell, one of his fares, so much that she gives him her telephone number at the end of her ride. Although a dedicated man as seen through the efficiency in which he does his work, he can't or won't translate that eloquence into a better life for himself. He deludes himself into believing that his now twelve year cabbie job is temporary and that someday he will own his own limousine service. He even lies to his hospitalized mother that he already owns one, with a further lie that he tells her as such primarily to make her happy, rather than the truth which is that he won't do anything to achieve that dream. One night, Max picks up a well dressed man named Vincent, who asks Max to be his only fare for the evening. For a flat fee of $600, plus an extra $100 if he gets to the airport on time - Vincent wants Max to drive him to five stops that evening. Max somewhat reluctantly agrees. Max learns the hard way at their first stop when a body falls from a third story apartment window and lands dead on top of his cab that Vincent is a contract hit man. Vincent's main goal, as per his current contract, is to kill five people, one at each of the stops, but he will not let others get in the way of that goal, even if it means killing them, including Max. As Vincent forces Max to continue driving him for the evening, Max tries slyly at every turn to take back control of his life from Vincent, especially when Max learns of one of the names on Vincent's hit list. Meanwhile, LAPD narcotics detective, Ray Fanning, and ultimately the FBI get involved when Vincent's first victim is associated with a case in which Ray is working undercover. Ray is able to piece together information which makes him hot on Max and Vincent's tail.|
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Article of interest
Barcodes are a graphical representation of information that can be easily read by machines. People read text easy enough but machines find this to be too complex so we use barcodes to simplify the process.
Barcodes can store numbers, letters and all the special characters. What can be stored in the barcode depends on which type of barcode is being used. But the basics of how a barcode works is the same regardless of what type of code it is, what information is stored in the barcode or what type of scanner is being used.
It all starts with the scan. The scanner, regardless of which type you are using, will examine the barcode image. The lines (or blocks in the case of 2D barcodes) will either reflect or absorb light. When we look at the barcode, we tend to see the dark stripes and think of those as the important parts. Those are the parts that absorb the light and the white parts reflect the light. So the scanners tend to see the barcodes in reverse of how we think of them. But the dark and light portions of the code on their own don't automatically become the information stored in the code. In most cases, it is the relative placement and size of each dark and light stripe (or block) that make up the information. There are also special markers that help the scanner know which direction the barcode is facing when it is scanned. This allows the scanning process to work even if the barcode is upside down when it is scanned. The scanner simply processes the scanned data in reverse in this case.
Taking a look at an oscolloscope screen as a scanner passes over barcode, you can see that the stripes reflect back light and the scanner registers the changes as high and low levels. So what looks like a simple image is really a rather complex set of layered encryption to store the data. The encryption isn't done to hide the information in this case. Instead it is done to make it easy for the machine to read the information. Since the base language of machines is binary (1 and 0) it is easy for them to read this type of information even if it takes several steps to turn this back into something that people can understand.
The size of each high and low are combined to make binary data. A series of 1 (one) and 0 (zero) values which are strung together then decoded into the actual information. Up to this point, the process is the same for all barcodes regardless of how they are stored. Getting the lines or dots into binary is the easy part for the machine. The next step is to make this binary code into something useful to people. That step depends on which type of barcode is being scanned. Each type of barcode has its own encoding methode. Just like human languages, what seems to be two similar words (or barcodes in this case) could actually be two very different values even though they have the same basic letters (or bars).
So you can see that the scanning devices need to know not only how to turn the bars or dots into binary, but after they have done that they need to know how to turn that binary string into the original information. But regardless of the encoding process the basic steps are the same. Process the light and dark areas, convert them to binary, decode the binary, pass the information on to the receiving device which is normally a computer program of some sort.
Once the decoded data reaches the computer program, there is no telling how the information is to be used. The grocery store will use the information to keep track of the products you purchased as you go through the register. A manufacturer will use the code to identify where they are storing their parts. And shipping companies use the codes to keep track of the packages they are delivering.
Now that you know a little about the mechanical portion of the process, take some time to learn about the different types of barcode scanners and the different ways the information can be encoded into barcodes.