Journey into Information Theory

1 program
9 videos
1 talkthrough
Explore the history of communication from signal fires to the Information Age

What is information theory?

A broad introduction to this field of study

History of the alphabet

The origin of letters

Ptolemaic: Rosetta Stone

Rosetta Stone, 196 B.C.E., granite, 114.4 cm x 72.3 x 27.9 cm or 45 x 28.5 x 11 inches, Ptolemaic Period (British Museum, London). Speakers: Dr. Beth Harris and Dr. Steven Zucker

Source encoding

Introduction to coding theory!

Visual telegraphs (case study)

The history of visual telegraphs

Decision tree exploration

Play with the shutter telegraph!

Electrostatic telegraphs (case study)

Long before the internet people thought about sending information along wires using static electricity.

The battery and electromagnetism

The key technologies in our story.

Morse code and the information age

Electric Telegraphs and developments leading to Morse Code.

Morse code Exploration

Click the handle of telegraph key to send dot or dash. To send a dot = 0.2 seconds. To send a dash = 0.6 seconds. Can you spell your name?