Binary code is used to create an endless supply of barcodes. The narrator writes out the computation of how many bar codes are possible. Then he shows that we have come up with even more complex coding such as quick response (QR) code and two-dimensional types. This would be a fascinating and informative video to show in your middle school math, computer programming, or technology classes.

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stem, math

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Classroom Considerations

• This video is hosted on YouTube