QR-Codes explained in 90 Seconds

All of Physics in 14 Minutes: ALL OF PHYSICS explained in 14 Minutes

QR Codes always seemed like magic to me. Like, how can a blob of pixels contain information???Luckily for you, I am here to explain how QR Codes work, in 90 seconds.

QR-Codes are really cool. Plus you can rickroll people with them.
Don't get rick rolled by some pixels, please.

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• #rickroll
• #rick_roll