SciShow
The Truth About 10 Famous Inventions
Did Thomas Edison invent the lightbulb? I mean... kind of... but also... no. Every great, world-changing invention is the culmination of efforts by dozens or hundreds of people, spanning decades or centuries.
Crash Course
Crash Course History of Science #21: The Industrial Revolution
You probably know some of the signs of industrialization in the nineteenth century: Trains connected cities, symbolizing progress. But they also brought about the destruction of rural lands, divisions between social classes, and rapid...