PBS
Pbs Learning Media: Galileo: Sunspots
This video segment adapted from NOVA shows how Galileo used his telescope to carefully observe and study sunspots.
PBS
Nova: Galileo's Battle for the Heavens
A fascinating overview of Galileo as a person and as a scientist. Links to extras such as, a timeline of his life, an interactive look at his experiments, and even one of his biggest mistakes and why he was wrong.
Crash Course
Crash Course History of Science #14: The Scientific Methods
Historically speaking, there is no one scientific method. There's more than one way to make knowledge. In this episode, learn about three scientists and the methods they pioneered. Galileo's focus on rational comparison of theories about...
NPR: National Public Radio
Npr Videos: Skunk Bear: Finding the Speed of Light With Peeps
There's a new use for those stale Easter marshmallows you have lying around - calculating a constant that governs the universe. [5:06]
Crash Course
Crash Course History of Science #13: The New Astronomy
This is the story of Tycho Brahe and Johannes Kepler and the contributions they made to the field of Astronomy. They synthesized a lot of new, old, and bold astronomical ideas into a single sun-centered, eccentricity-positive system....
Khan Academy
Khan Academy: Visual Telegraphs (Case Study)
The history of visual telegraphs from Ancient Greeks to the Information Age.