Instructional Video

Khan Academy: Visual Telegraphs (Case Study)

Curated by ACT

The history of visual telegraphs from Ancient Greeks to the Information Age.

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Concepts
functions
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Additional Tags
francis bacon, galileo, khan academy, khan academy: visual telegraphs (case study), polybius, robert hooke
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Resource Details
Grade
9th - 10th
Subjects
Math
2 more...
Resource Type
Instructional Videos
Audiences
For Administrator Use
2 more...
Lexile Measures
0L