Which falls faster - a bowling ball or a feather? You'll be surprised at the answer - Mirror Online
Dropping Objects in World's Largest Vacuum Chamber | WIRED
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 ...
Space Art by Paul Fjeld
Which falls faster - a feather or a hammer? - BBC Teach