Matrices Coding and Decoding Secret Message Activity
Matrices Coding and Decoding Secret Message Activity
Apr 22, 2023
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SCIENCE IN INFINITY WAY on Instagram: "This is how ancient Chinese people sent secret messages 🀄✉️. Long before digital encryption, they used clever methods like invisible ink, coded characters, or tied knots to communicate sensitive information. Some messages were written on bamboo slips or silk, hidden in everyday objects, or disguised as ordinary letters. The key was creativity and secrecy—only the intended recipient could decode the message using agreed symbols or methods. These techniques
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