Discover how a QR code can store information inside a pattern of tiny black and white squares. Learn how different sections of the code represent data such as website links, text, or contact details. Explore how your phone’s camera reads the pattern, corrects small errors, and converts it back into useful information. This video explains the clever design that makes QR codes fast, compact, and easy to scan.
Published on 2026-09-23 by Edification
Categories: Educational Science