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Communication

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Chinese Oracle Bone

Primary Source

Chinese Oracle Bone

Information Theory Inquiry Unit

In ancient China, mainly during the late Shang dynasty, oracle bones were used as a form of divination. Inscriptions were carved on pieces of ox scapula and turtle plastron and are the oldes…

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Cave Paintings

Primary Source

Cave Paintings

Information Theory Inquiry Unit

A form of rock art found in caves typically of prehistoric origin and are representative of a means to convey information. The France Ministry of Culture (Ministere de la Culture) and the N…

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Samuel Morse, American Electro-Magnet Telegraph Patent and Morse Code

Primary Source

Samuel Morse, American Electro-Magnet Telegraph Patent and Morse Code

Information Theory Inquiry Unit

Samuel Finley Breese Morse, an accomplished painter and inventor, was convinced of the possibility of transmitting words using electricity and wires. In 1840 he patented "Improvement in the Mode o…

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Phoenician Alphabet

Primary Source

Phoenician Alphabet

Information Theory Inquiry Unit

Sometime around 2,800 years ago, the Phoenicians made a major invention—the vowel! That is, they realized that instead of each symbol representing a syllable (ba, be, bi, bo, bu, ca, ce, ci, co, cu,…

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Error-Detecting and Correcting System (Patent)

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Error-Detecting and Correcting System (Patent)

Information Theory Inquiry Unit

Richard W. Hamming, Morristown, and Bernard D. Holbrook, Madison, N.J., assignors to Bell Telephone Laboratories, Incorporated, New York, N.Y., a corporation of New York Application January 11, 19…

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Hieroglyphs and Ancient Egyptian Writing

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Hieroglyphs and Ancient Egyptian Writing

Information Theory Inquiry Unit

Hieroglyphics are an original form of writing out of which all other forms have evolved. Museo Egizio, Papyrus Collection, Turin Papyrus Online Database, Book of the Dead, A 14-meter-long papyr…

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Semaphore Telegraph

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Semaphore Telegraph

Information Theory Inquiry Unit

An optical telegraph with a line of stations, typically towers, that was used to convey textual information by means of visual signals. It was comprised of pole on top of a tower, and a pivoting cross…

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Cuneiform Hands-On Activity

Hands-on Activity

Cuneiform Hands-On Activity

Information Theory Inquiry Unit

Information Theory Unit Cuneiform was one of the first writing systems, developed 5,000 years ago in Mesopotamia to record information on clay tablets. By asking students to record current …

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Make a Hand Drum

Hands-on Activity

Make a Hand Drum

Electronic Music Inquiry Unit

This hands-on activity shows how to make a hand drum that creates percussion sounds. Materials Mini Glue Gun and Glue Stick Hole Punch Drawing Compass Thread or Yarn (Waxed thread wor…

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Edwin H. Armstrong, of Paris, France Method of Receiving High-Frequency Oscillations Patent # 1,342,885 Application filed Feb. 8, 1919 – Patented June 8, 1920

Primary Source

Edwin H. Armstrong, of Paris, France Method of Receiving High-Frequency Oscillations Patent # 1,342,885 Application filed Feb. 8, 1919 – Patented June 8, 1920

Radio Inquiry Unit

Radio Inquiry Unit While serving in the U.S. Army during World War I, Armstrong synthesized three ideas to create his superheterodyne circuit for selectively amplifying a very high fr…

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