THE APOLLO VIDEOS I spent less time on the videos than on the photos (on which I really did a systematical study), but nevertheless there are some interesting things to notice on these ones. I'll skip the studies of the walk of astronauts and the way the jeep ...
Gravity Falling Experiment: Feather in a Vacuum! - AstroCamp School
Could Galileo ever prove that $g$ is the same for a feather and a hammer? - Physics Stack Exchange
The Hammer and the Feather
Dropping Objects in World's Largest Vacuum Chamber | WIRED
Will the feather fall at the same speed as the iron ball without air? Experiment in the world's largest vacuum chamber - GIGAZINE
Hammer and Feather – xmComic
Dropping Objects in World's Largest Vacuum Chamber | WIRED