Filter Results
Primary Source
Information Theory 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…
Learn more
Primary Source
Information Theory 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…
Learn more
Primary Source
Information Theory 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…
Learn more
Primary Source
Information Theory 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,…
Learn more
Primary Source
Information Theory 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…
Learn more
Primary Source
Information Theory 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 papyrus f…
Learn more
Primary Source
Information Theory 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…
Learn more
Hands-on Activity
Information Theory 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 …
Learn more
Hands-on Activity
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…
Learn more
Primary Source
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…
Learn more