What Is a Bar Code?

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 Send us listener mail! Send an audio message: anchor.fm/inquisikids-daily/message Send an email: [email protected]