Cryptography

Today we investigated the science of secret codes and ciphers: Cryptography! We learned that cryptography has existed for as long as people have been keeping secrets. The ancient Egyptians used secret codes 4,000 years ago!

Students were introduced to a number of ciphers (secret codes) and were challenged to figure out how to crack the codes. We explored simple ciphers, transposition ciphers, and substitution ciphers, including the Pigpen Cipher and the Caesar Cipher (named after Julius Caesar).

Print your own Caesar Wheel to use at home! Use this link.

Tecnología 1: Criptografía

Hoy estudiamos la ciencia que estudia los cifrados y códigos secretos; la “Criptografía”. Aprendimos que esta disciplina ha existido desde que la gente guarda secretos, es decir, ¡hace mucho tiempo! 4.000 mil años atrás los antiguos egipcios ya usaban códigos secretos.

A los estudiantes se les mostró una serie de “cifrados” (códigos secretos) y luego se les desafió a descifrarlos. Estudiamos distintos tipos de cifrados, como los simples, de transposición y de substitución, incluyendo los cifrados de “Pigpen” (fracmasón) y de “César” (llamado así por el emperador romano Julio César).

Pueden imprimir su propia “rueda de César” para usar en casa. Use este link.

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