SciShow
Solar Storms
Did you know our sun has the power to make telegraphs work and cell phones cease to work? Show a video that explains solar storms and their impact on us. It describes what solar storms are, when and why they happen, and the good and the...
MinuteEarth
The Great North American Locust Plague
The largest locust swarm recorded in North America measured 110 miles wide and 1,800 miles long, making it roughly twice the size of Colorado. A video begins with what locusts are and where they came from then explains the damage they...
Crash Course
The History of Electrical Engineering: Crash Course Engineering #4
Did you know that a murder helped the electric telegraph become famous? The fourth of 46 videos in the Crash Course Engineering series focuses on electrical engineering, its history, and its myriad applications. It breaks the field into...