How QR codes work

[Retro]

This fascinating Veritasium video explains how QR codes work, in detail. They're actually pretty complex and a lot of space is used just for error correction and readability, to improve robustness.

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This thread is also a minor milestone since it's thread 1666 and post 14000.

 

[Tiffany]

OMG, the math involved in QR codes!! Good presentation even for the math challenged!

Interesting thread milestone number pairing.