This is our catalog of courses. We will occasionally adjust the course listing to reflect the addition of new courses and the retirement of others. 

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12 Inventions That Revolutionized the World

Join this dynamic world history course to examine history in a unique way. You will study different eras through the lens of major inventions that changed mankind and history forever.

Total classes: 12

Prerequisite: None

Suggested grade level: 9th to 12th

Suggested credit: 1 full semester


This class will look at the development of twelve of the world’s most revolutionary inventions, focusing not only on their mechanical development but also on how they changed culture and altered the way man views his place in the cosmos. Man’s capacity to invent is a result of his being made in the image of God, the original Creator. This class explores the creative capacity of mankind and how man has shaped and reshaped his own self-understanding through his inventions, beginning with the alphabet and going all the way up to the Internet.


Week One: The Origins of the Alphabet

Week Two: Cartography (Mapmaking)

Week Three: Time-Keeping

Week Four: Firearms

Week Five: The Printing Press

Week Six: The Telescope

Week Seven: Money

Week Eight: Antibiotics

Week Nine: Photography

Week Ten: Automobiles

Week Eleven: Electricity

Week Twelve: The Internet

Materials and Homework

Course Materials: Online sources will be provided as needed by the instructor. No textbook is required.

Homework: Homework will consist of a semester-long research project/paper with different components due at various intervals throughout the semester, as well as weekly readings provided by the instructor, and weekly quizzes which are graded automatically inside Caravel.

Important Dates

Class Dates: Tuesdays, September 3 to December 3, 2024 (No class Oct. 22 & Nov. 26)

Starting Time: 1:00 PM Eastern (Noon Central, 11:00 PM, Mountain, 10:00 PM Pacific)

Duration Per Class: 55 minutes

Choose from courses in all subject areas for your upper grade school, middle school, and high school student—taught by worldwide experts in Catholic education.
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