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Podcast: Inquisikids Daily
Episode: What Is a Bar Code?
Description: What Is a Bar Code? Join us today as we find out about bar codes that come on all kinds of products. What do they do? What do they mean?
Sources:
https://www.lightspeedhq.com/blog/how-do-barcodes-work/
https://www.explainthatstuff.com/barcodescanners.html
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