← All topics
Topic
Technology History
5 passages across every level. Free to read, with comprehension quizzes.
The Genesis of Apple: Jobs, Wozniak, and the Garage That Sparked a Revolution
L5 · SageMedium
7 min read·10 Qs
The Genesis of Google: How Two Students Revolutionized Web Search
L4 · ScholarMedium
3 min read·10 Qs
The Invention and Impact of the Lithium-Ion Battery
L4 · ScholarEasy
5 min read·10 Qs
The Invention of the ATM: Cash Anytime, Anywhere
L3 · VoyagerEasy
3 min read·10 Qs
The Unseen Foundation: Why the Internet's 'Cloud' is Actually Deep Ocean Cables
L5 · SageHard
5 min read·10 Qs